title stringlengths 19 134 | paper_url stringlengths 39 39 | authors listlengths 1 11 | abstract large_stringlengths 659 2.78k | track stringclasses 1
value | doi stringlengths 23 23 | arxiv_id stringlengths 10 12 ⌀ | arxiv_id_source stringclasses 2
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Endless loops: detecting and animating periodic patterns in still images | https://doi.org/10.1145/3450626.3459935 | [
"Tavi Halperin",
"Hanit Hakim",
"Orestis Vantzos",
"Gershon Hochman",
"Netai Benaim",
"Lior Sassy",
"Michael Kupchik",
"Ofir Bibi",
"Ohad Fried"
] | We present an algorithm for producing a seamless animated loop from a single image. The algorithm detects periodic structures, such as the windows of a building or the steps of a staircase, and generates a non-trivial displacement vector field that maps each segment of the structure onto a neighboring segment along a u... | journal | 10.1145/3450626.3459935 | 2105.09374 | title_snapshot | [
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Modeling and fabrication with specified discrete equivalence classes | https://doi.org/10.1145/3450626.3459843 | [
"Zhong-Yuan Liu",
"Zhan Zhang",
"Di Zhang",
"Chunyang Ye",
"Ligang Liu",
"Xiao-Ming Fu"
] | We propose a novel method to model and fabricate shapes using a small set of specified discrete equivalence classes of triangles. The core of our modeling technique is a fabrication-error-driven remeshing algorithm. Given a triangle and a template triangle, which are coplanar and have one-to-one corresponding vertices,... | journal | 10.1145/3450626.3459843 | null | null | [
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Learning skeletal articulations with neural blend shapes | https://doi.org/10.1145/3450626.3459852 | [
"Peizhuo Li",
"Kfir Aberman",
"Rana Hanocka",
"Libin Liu",
"Olga Sorkine-Hornung",
"Baoquan Chen"
] | Animating a newly designed character using motion capture (mocap) data is a long standing problem in computer animation. A key consideration is the skeletal structure that should correspond to the available mocap data, and the shape deformation in the joint regions, which often requires a tailored, pose-specific refine... | journal | 10.1145/3450626.3459852 | 2105.02451 | title_snapshot | [
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A generic framework for physical light transport | https://doi.org/10.1145/3450626.3459791 | [
"Shlomi Steinberg",
"Ling-Qi Yan"
] | Physically accurate rendering often calls for taking the wave nature of light into consideration. In computer graphics, this is done almost exclusively locally, i.e. on a micrometre scale where the diffractive phenomena arise. However, the statistical properties of light, that dictate its coherence characteristics and ... | journal | 10.1145/3450626.3459791 | null | null | [
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Path replay backpropagation: differentiating light paths using constant memory and linear time | https://doi.org/10.1145/3450626.3459804 | [
"Delio Vicini",
"Sébastien Speierer",
"Wenzel Jakob"
] | Differentiable physically-based rendering has become an indispensable tool for solving inverse problems involving light. Most applications in this area jointly optimize a large set of scene parameters to minimize an objective function, in which case reverse-mode differentiation is the method of choice for obtaining par... | journal | 10.1145/3450626.3459804 | null | null | [
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Discovering diverse athletic jumping strategies | https://doi.org/10.1145/3450626.3459817 | [
"Zhiqi Yin",
"Zeshi Yang",
"Michiel Van De Panne",
"Kangkang Yin"
] | We present a framework that enables the discovery of diverse and natural-looking motion strategies for athletic skills such as the high jump. The strategies are realized as control policies for physics-based characters. Given a task objective and an initial character configuration, the combination of physics simulation... | journal | 10.1145/3450626.3459817 | 2105.00371 | title_snapshot | [
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Physical validation of simulators in computer graphics: a new framework dedicated to slender elastic structures and frictional contact | https://doi.org/10.1145/3450626.3459931 | [
"Victor Romero",
"Mickaël Ly",
"Abdullah Haroon Rasheed",
"Raphaël Charrondière",
"Arnaud Lazarus",
"Sébastien Neukirch",
"Florence Bertails-Descoubes"
] | We introduce a selected set of protocols inspired from the Soft Matter Physics community in order to validate Computer Graphics simulators of slender elastic structures possibly subject to dry frictional contact. Although these simulators were primarily intended for feature film animation and visual effects, they are m... | journal | 10.1145/3450626.3459931 | null | null | [
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Unsupervised learning for cuboid shape abstraction via joint segmentation from point clouds | https://doi.org/10.1145/3450626.3459873 | [
"Kaizhi Yang",
"Xuejin Chen"
] | Representing complex 3D objects as simple geometric primitives, known as shape abstraction, is important for geometric modeling, structural analysis, and shape synthesis. In this paper, we propose an unsupervised shape abstraction method to map a point cloud into a compact cuboid representation. We jointly predict cubo... | journal | 10.1145/3450626.3459873 | 2106.03437 | title_snapshot | [
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An inverse method for the exploration of layered material appearance | https://doi.org/10.1145/3450626.3459857 | [
"Mégane Bati",
"Pascal Barla",
"Romain Pacanowski"
] | Layered materials exhibit a wide range of appearance, due to the combined effects of absorption and scattering at and between interfaces. Yet most existing approaches let users set the physical parameters of all layers by hand, a process of trial and error. We introduce an inverse method that provides control over BRDF... | journal | 10.1145/3450626.3459857 | null | null | [
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Optimizing UI layouts for deformable face-rig manipulation | https://doi.org/10.1145/3450626.3459842 | [
"Joonho Kim",
"Karan Singh"
] | Complex deformable face-rigs have many independent parameters that control the shape of the object. A human face has upwards of 50 parameters (FACS Action Units), making conventional UI controls hard to find and operate. Animators address this problem by tediously hand-crafting in-situ layouts of UI controls that serve... | journal | 10.1145/3450626.3459842 | null | null | [
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The shape matching element method: direct animation of curved surface models | https://doi.org/10.1145/3450626.3459772 | [
"Ty Trusty",
"Honglin Chen",
"David I. W. Levin"
] | We introduce a new method for direct physics-based animation of volumetric curved models, represented using NURBS surfaces. Our technical contribution is the Shape Matching Element Method (SEM). SEM is a completely meshless algorithm, the first to simultaneously be robust to gaps and overlaps in geometry, be compatible... | journal | 10.1145/3450626.3459772 | null | null | [
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Fast median filters using separable sorting networks | https://doi.org/10.1145/3450626.3459773 | [
"Andrew Adams"
] | Median filters are a widely-used tool in graphics, imaging, machine learning, visual effects, and even audio processing. Currently, very-small-support median filters are performed using sorting networks, and large-support median filters are handled by O (1) histogram-based methods. However, the constant factor on these... | journal | 10.1145/3450626.3459773 | null | null | [
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Using isometries for computational design and fabrication | https://doi.org/10.1145/3450626.3459839 | [
"Caigui Jiang",
"Hui Wang",
"Victor Ceballos Inza",
"Felix Dellinger",
"Florian Rist",
"Johannes Wallner",
"Helmut Pottmann"
] | We solve the task of representing free forms by an arrangement of panels that are manufacturable by precise isometric bending of surfaces made from a small number of molds. In fact we manage to solve the paneling task with surfaces of constant Gaussian curvature alone. This includes the case of developable surfaces whi... | journal | 10.1145/3450626.3459839 | null | null | [
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Kelvin transformations for simulations on infinite domains | https://doi.org/10.1145/3450626.3459809 | [
"Mohammad Sina Nabizadeh",
"Ravi Ramamoorthi",
"Albert Chern"
] | Solving partial differential equations (PDEs) on infinite domains has been a challenging task in physical simulations and geometry processing. We introduce a general technique to transform a PDE problem on an unbounded domain to a PDE problem on a bounded domain. Our method uses the Kelvin Transform, which essentially ... | journal | 10.1145/3450626.3459809 | null | null | [
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Fusion 360 gallery: a dataset and environment for programmatic CAD construction from human design sequences | https://doi.org/10.1145/3450626.3459818 | [
"Karl D. D. Willis",
"Yewen Pu",
"Jieliang Luo",
"Hang Chu",
"Tao Du",
"Joseph G. Lambourne",
"Armando Solar-Lezama",
"Wojciech Matusik"
] | Parametric computer-aided design (CAD) is a standard paradigm used to design manufactured objects, where a 3D shape is represented as a program supported by the CAD software. Despite the pervasiveness of parametric CAD and a growing interest from the research community, currently there does not exist a dataset of reali... | journal | 10.1145/3450626.3459818 | 2010.02392 | title_snapshot | [
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DAG amendment for inverse control of parametric shapes | https://doi.org/10.1145/3450626.3459823 | [
"Élie Michel",
"Tamy Boubekeur"
] | Parametric shapes model objects as programs producing a geometry based on a few semantic degrees of freedom, called hyper-parameters. These shapes are the typical output of non-destructive modeling, CAD modeling or rigging. However they suffer from the core issue of being manipulated only indirectly, through a series o... | journal | 10.1145/3450626.3459823 | null | null | [
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Video recoloring via spatial-temporal geometric palettes | https://doi.org/10.1145/3450626.3459675 | [
"Zheng-Jun Du",
"Kai-Xiang Lei",
"Kun Xu",
"Jianchao Tan",
"Yotam Gingold"
] | Color correction and color grading are important steps in film production. Recent palette-based approaches to image recoloring have shown that a small set of representative colors provide an intuitive set of handles for color adjustment. However, a single, static palette cannot represent the time-varying colors in a vi... | journal | 10.1145/3450626.3459675 | null | null | [
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Weakly-supervised contrastive learning in path manifold for Monte Carlo image reconstruction | https://doi.org/10.1145/3450626.3459876 | [
"In-Young Cho",
"Yuchi Huo",
"Sung-Eui Yoon"
] | Image-space auxiliary features such as surface normal have significantly contributed to the recent success of Monte Carlo (MC) reconstruction networks. However, path-space features, another essential piece of light propagation, have not yet been sufficiently explored. Due to the curse of dimensionality, information flo... | journal | 10.1145/3450626.3459876 | null | null | [
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Neural animation layering for synthesizing martial arts movements | https://doi.org/10.1145/3450626.3459881 | [
"Sebastian Starke",
"Yiwei Zhao",
"Fabio Zinno",
"Taku Komura"
] | Interactively synthesizing novel combinations and variations of character movements from different motion skills is a key problem in computer animation. In this paper, we propose a deep learning framework to produce a large variety of martial arts movements in a controllable manner from raw motion capture data. Our met... | journal | 10.1145/3450626.3459881 | null | null | [
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Surface multigrid via intrinsic prolongation | https://doi.org/10.1145/3450626.3459768 | [
"Hsueh-Ti Derek Liu",
"Jiayi Eris Zhang",
"Mirela Ben-Chen",
"Alec Jacobson"
] | This paper introduces a novel geometric multigrid solver for unstructured curved surfaces. Multigrid methods are highly efficient iterative methods for solving systems of linear equations. Despite the success in solving problems defined on structured domains, generalizing multigrid to unstructured curved domains remain... | journal | 10.1145/3450626.3459768 | 2104.13755 | title_snapshot | [
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A time-independent deformer for elastic contacts | https://doi.org/10.1145/3450626.3459879 | [
"Camille Brunel",
"Pierre Bénard",
"Gaël Guennebaud"
] | We present a purely geometric, time-independent deformer resolving local contacts between elastic objects, including self-collisions between adjacent parts of the same object that often occur in character skinning animation. Starting from multiple meshes in intersection, our deformer first computes the parts of the sur... | journal | 10.1145/3450626.3459879 | null | null | [
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Multiscale Cholesky preconditioning for ill-conditioned problems | https://doi.org/10.1145/3450626.3459851 | [
"Jiong Chen",
"Florian Schäfer",
"Jin Huang",
"Mathieu Desbrun"
] | Many computer graphics applications boil down to solving sparse systems of linear equations. While the current arsenal of numerical solvers available in various specialized libraries and for different computer architectures often allow efficient and scalable solutions to image processing, modeling and simulation applic... | journal | 10.1145/3450626.3459851 | null | null | [
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NeuMIP: multi-resolution neural materials | https://doi.org/10.1145/3450626.3459795 | [
"Alexandr Kuznetsov",
"Krishna Mullia",
"Zexiang Xu",
"Miloš Hašan",
"Ravi Ramamoorthi"
] | We propose NeuMIP, a neural method for representing and rendering a variety of material appearances at different scales. Classical prefiltering (mipmapping) methods work well on simple material properties such as diffuse color, but fail to generalize to normals, self-shadowing, fibers or more complex microstructures an... | journal | 10.1145/3450626.3459795 | 2104.02789 | title_snapshot | [
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Acorn: adaptive coordinate networks for neural scene representation | https://doi.org/10.1145/3450626.3459785 | [
"Julien N. P. Martel",
"David B. Lindell",
"Connor Z. Lin",
"Eric R. Chan",
"Marco Monteiro",
"Gordon Wetzstein"
] | Neural representations have emerged as a new paradigm for applications in rendering, imaging, geometric modeling, and simulation. Compared to traditional representations such as meshes, point clouds, or volumes they can be flexibly incorporated into differentiable learning-based pipelines. While recent improvements to ... | journal | 10.1145/3450626.3459785 | 2105.02788 | title_snapshot | [
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General virtual sketching framework for vector line art | https://doi.org/10.1145/3450626.3459833 | [
"Haoran Mo",
"Edgar Simo-Serra",
"Chengying Gao",
"Changqing Zou",
"Ruomei Wang"
] | Vector line art plays an important role in graphic design, however, it is tedious to manually create. We introduce a general framework to produce line drawings from a wide variety of images, by learning a mapping from raster image space to vector image space. Our approach is based on a recurrent neural network that dra... | journal | 10.1145/3450626.3459833 | null | null | [
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Monte Carlo estimators for differential light transport | https://doi.org/10.1145/3450626.3459807 | [
"Tizian Zeltner",
"Sébastien Speierer",
"Iliyan Georgiev",
"Wenzel Jakob"
] | Physically based differentiable rendering algorithms propagate derivatives through realistic light transport simulations and have applications in diverse areas including inverse reconstruction and machine learning. Recent progress has led to unbiased methods that can simultaneously compute derivatives with respect to m... | journal | 10.1145/3450626.3459807 | null | null | [
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Designing actuation systems for animatronic figures via globally optimal discrete search | https://doi.org/10.1145/3450626.3459867 | [
"Simon Huber",
"Roi Poranne",
"Stelian Coros"
] | We present an algorithmic approach to designing animatronic figures - expressive robotic characters whose movements are driven by a large number of actuators. The input to our design system provides a high-level specification of the space of motions the character should be able to perform. The output consists of a full... | journal | 10.1145/3450626.3459867 | null | null | [
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A fitted radiance and attenuation model for realistic atmospheres | https://doi.org/10.1145/3450626.3459758 | [
"Alexander Wilkie",
"Petr Vevoda",
"Thomas Bashford-Rogers",
"Lukáš Hošek",
"Tomáš Iser",
"Monika Kolářová",
"Tobias Rittig",
"Jaroslav Křivánek"
] | We present a fitted model of sky dome radiance and attenuation for realistic terrestrial atmospheres. Using scatterer distribution data from atmospheric measurement data, our model considerably improves on the visual realism of existing analytical clear sky models, as well as of interactive methods that are based on ap... | journal | 10.1145/3450626.3459758 | null | null | [
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Stream-guided smoke simulations | https://doi.org/10.1145/3450626.3459846 | [
"Syuhei Sato",
"Yoshinori Dobashi",
"Theodore Kim"
] | High-resolution fluid simulations are computationally expensive, so many post-processing methods have been proposed to add turbulent details to low-resolution flows. Guiding methods are one promising approach for adding naturalistic, detailed motions as a post-process, but can be inefficient. Thus, we propose a novel, ... | journal | 10.1145/3450626.3459846 | null | null | [
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SWAGAN: a style-based wavelet-driven generative model | https://doi.org/10.1145/3450626.3459836 | [
"Rinon Gal",
"Dana Cohen Hochberg",
"Amit Bermano",
"Daniel Cohen-Or"
] | In recent years, considerable progress has been made in the visual quality of Generative Adversarial Networks (GANs). Even so, these networks still suffer from degradation in quality for high-frequency content, stemming from a spectrally biased architecture, and similarly unfavorable loss functions. To address this iss... | journal | 10.1145/3450626.3459836 | 2102.06108 | title_snapshot | [
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Eliminating topological errors in neural network rotation estimation using self-selecting ensembles | https://doi.org/10.1145/3450626.3459882 | [
"Sitao Xiang"
] | Many problems in computer graphics and computer vision applications involves inferring a rotation from a variety of different forms of inputs. With the increasing use of deep learning, neural networks have been employed to solve such problems. However, the traditional representations for 3D rotations, the quaternions a... | journal | 10.1145/3450626.3459882 | null | null | [
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Constrained projective dynamics: real-time simulation of deformable objects with energy-momentum conservation | https://doi.org/10.1145/3450626.3459878 | [
"Min Hyung Kee",
"Kiwon Um",
"Wooseok Jeong",
"Junghyun Han"
] | This paper proposes a novel energy-momentum conserving integration method. Adopting Projective Dynamics, the proposed method extends its unconstrained minimization for time integration into the constrained form with the position-based energy-momentum constraints. This resolves the well-known problem of unwanted dissipa... | journal | 10.1145/3450626.3459878 | null | null | [
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Pareto gamuts: exploring optimal designs across varying contexts | https://doi.org/10.1145/3450626.3459750 | [
"Liane Makatura",
"Minghao Guo",
"Adriana Schulz",
"Justin Solomon",
"Wojciech Matusik"
] | Manufactured parts are meticulously engineered to perform well with respect to several conflicting metrics, like weight, stress, and cost. The best achievable trade-offs reside on the Pareto front , which can be discovered via performance-driven optimization. The objectives that define this Pareto front often incorpora... | journal | 10.1145/3450626.3459750 | null | null | [
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Tracing versus freehand for evaluating computer-generated drawings | https://doi.org/10.1145/3450626.3459819 | [
"Zeyu Wang",
"Sherry Qiu",
"Nicole Feng",
"Holly Rushmeier",
"Leonard McMillan",
"Julie Dorsey"
] | Non-photorealistic rendering (NPR) and image processing algorithms are widely assumed as a proxy for drawing. However, this assumption is not well assessed due to the difficulty in collecting and registering freehand drawings. Alternatively, tracings are easier to collect and register, but there is no quantitative eval... | journal | 10.1145/3450626.3459819 | null | null | [
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Total relighting: learning to relight portraits for background replacement | https://doi.org/10.1145/3450626.3459872 | [
"Rohit Pandey",
"Sergio Orts Escolano",
"Chloe Legendre",
"Christian Häne",
"Sofien Bouaziz",
"Christoph Rhemann",
"Paul Debevec",
"Sean Fanello"
] | We propose a novel system for portrait relighting and background replacement, which maintains high-frequency boundary details and accurately synthesizes the subject's appearance as lit by novel illumination, thereby producing realistic composite images for any desired scene. Our technique includes foreground estimation... | journal | 10.1145/3450626.3459872 | null | null | [
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Incompressible flow simulation on vortex segment clouds | https://doi.org/10.1145/3450626.3459865 | [
"Shiying Xiong",
"Rui Tao",
"Yaorui Zhang",
"Fan Feng",
"Bo Zhu"
] | We propose a novel Lagrangian geometric representation using segment clouds to simulate incompressible fluid exhibiting strong anisotropic vortical features. The central component of our approach is a cloud of discrete segments enhanced by a set of local segment reseeding operations to facilitate both the geometrical e... | journal | 10.1145/3450626.3459865 | null | null | [
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Neural complex luminaires: representation and rendering | https://doi.org/10.1145/3450626.3459798 | [
"Junqiu Zhu",
"Yaoyi Bai",
"Zilin Xu",
"Steve Bako",
"Edgar Velázquez-Armendáriz",
"Lu Wang",
"Pradeep Sen",
"Miloš Hašan",
"Ling-Qi Yan"
] | Complex luminaires, such as grand chandeliers, can be extremely costly to render because the light-emitting sources are typically encased in complex refractive geometry, creating difficult light paths that require many samples to evaluate with Monte Carlo approaches. Previous work has attempted to speed up this process... | journal | 10.1145/3450626.3459798 | null | null | [
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Computational inverse design of surface-based inflatables | https://doi.org/10.1145/3450626.3459789 | [
"Julian Panetta",
"Florin Isvoranu",
"Tian Chen",
"Emmanuel Siéfert",
"Benoît Roman",
"Mark Pauly"
] | We present a computational inverse design method for a new class of surface-based inflatable structure. Our deployable structures are fabricated by fusing together two layers of inextensible sheet material along carefully selected curves. The fusing curves form a network of tubular channels that can be inflated with ai... | journal | 10.1145/3450626.3459789 | null | null | [
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Bistable auxetic surface structures | https://doi.org/10.1145/3450626.3459940 | [
"Tian Chen",
"Julian Panetta",
"Max Schnaubelt",
"Mark Pauly"
] | We present Bistable Auxetic Surface Structures , a novel deployable material system based on optimized bistable auxetic cells. Such a structure can be flat-fabricated from elastic sheet material, then deployed towards a desired double-curved target shape by activating the bistable mechanism of its component cells. A un... | journal | 10.1145/3450626.3459940 | null | null | [
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WRAPD: weighted rotation-aware ADMM for parameterization and deformation | https://doi.org/10.1145/3450626.3459942 | [
"George E. Brown",
"Rahul Narain"
] | Local-global solvers such as ADMM for elastic simulation and geometry optimization struggle to resolve large rotations such as bending and twisting modes, and large distortions in the presence of barrier energies. We propose two improvements to address these challenges. First, we introduce a novel local-global splittin... | journal | 10.1145/3450626.3459942 | null | null | [
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Thin-film smoothed particle hydrodynamics fluid | https://doi.org/10.1145/3450626.3459864 | [
"Mengdi Wang",
"Yitong Deng",
"Xiangxin Kong",
"Aditya H. Prasad",
"Shiying Xiong",
"Bo Zhu"
] | We propose a particle-based method to simulate thin-film fluid that jointly facilitates aggressive surface deformation and vigorous tangential flows. We build our dynamics model from the surface tension driven Navier-Stokes equation with the dimensionality reduced using the asymptotic lubrication theory and customize a... | journal | 10.1145/3450626.3459864 | 2105.07656 | title_snapshot | [
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FovVideoVDP: a visible difference predictor for wide field-of-view video | https://doi.org/10.1145/3450626.3459831 | [
"Rafał K. Mantiuk",
"Gyorgy Denes",
"Alexandre Chapiro",
"Anton Kaplanyan",
"Gizem Rufo",
"Romain Bachy",
"Trisha Lian",
"Anjul Patney"
] | FovVideoVDP is a video difference metric that models the spatial, temporal, and peripheral aspects of perception. While many other metrics are available, our work provides the first practical treatment of these three central aspects of vision simultaneously. The complex interplay between spatial and temporal sensitivit... | journal | 10.1145/3450626.3459831 | null | null | [
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HodgeNet: learning spectral geometry on triangle meshes | https://doi.org/10.1145/3450626.3459797 | [
"Dmitriy Smirnov",
"Justin Solomon"
] | Constrained by the limitations of learning toolkits engineered for other applications, such as those in image processing, many mesh-based learning algorithms employ data flows that would be atypical from the perspective of conventional geometry processing. As an alternative, we present a technique for learning from mes... | journal | 10.1145/3450626.3459797 | 2104.12826 | title_snapshot | [
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ShapeMOD: macro operation discovery for 3D shape programs | https://doi.org/10.1145/3450626.3459821 | [
"R. Kenny Jones",
"David Charatan",
"Paul Guerrero",
"Niloy J. Mitra",
"Daniel Ritchie"
] | A popular way to create detailed yet easily controllable 3D shapes is via procedural modeling, i.e. generating geometry using programs. Such programs consist of a series of instructions along with their associated parameter values. To fully realize the benefits of this representation, a shape program should be compact ... | journal | 10.1145/3450626.3459821 | 2104.06392 | title_snapshot | [
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AgileGAN: stylizing portraits by inversion-consistent transfer learning | https://doi.org/10.1145/3450626.3459771 | [
"Guoxian Song",
"Linjie Luo",
"Jing Liu",
"Wan-Chun Ma",
"Chunpong Lai",
"Chuanxia Zheng",
"Tat-Jen Cham"
] | Portraiture as an art form has evolved from realistic depiction into a plethora of creative styles. While substantial progress has been made in automated stylization, generating high quality stylistic portraits is still a challenge, and even the recent popular Toonify suffers from several artifacts when used on real in... | journal | 10.1145/3450626.3459771 | null | null | [
0.010755668394267559,
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StrokeStrip: joint parameterization and fitting of stroke clusters | https://doi.org/10.1145/3450626.3459777 | [
"Dave Pagurek Van Mossel",
"Chenxi Liu",
"Nicholas Vining",
"Mikhail Bessmeltsev",
"Alla Sheffer"
] | When creating freeform drawings, artists routinely employ clusters of overdrawn strokes to convey intended, aggregate curves. The ability to algorithmically fit these intended curves to their corresponding clusters is central to many applications that use artist drawings as inputs. However, while human observers effort... | journal | 10.1145/3450626.3459777 | null | null | [
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An unbiased ray-marching transmittance estimator | https://doi.org/10.1145/3450626.3459937 | [
"Markus Kettunen",
"Eugene D'Eon",
"Jacopo Pantaleoni",
"Jan Novák"
] | We present an in-depth analysis of the sources of variance in state-of-the-art unbiased volumetric transmittance estimators, and propose several new methods for improving their efficiency. These combine to produce a single estimator that is universally optimal relative to prior work, with up to several orders of magnit... | journal | 10.1145/3450626.3459937 | 2102.10294 | title_snapshot | [
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DeepFaceEditing: deep face generation and editing with disentangled geometry and appearance control | https://doi.org/10.1145/3450626.3459760 | [
"Shu-Yu Chen",
"Feng-Lin Liu",
"Yu-Kun Lai",
"Paul L. Rosin",
"Chunpeng Li",
"Hongbo Fu",
"Lin Gao"
] | Recent facial image synthesis methods have been mainly based on conditional generative models. Sketch-based conditions can effectively describe the geometry of faces, including the contours of facial components, hair structures, as well as salient edges (e.g., wrinkles) on face surfaces but lack effective control of ap... | journal | 10.1145/3450626.3459760 | 2105.08935 | title_snapshot | [
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Learning an animatable detailed 3D face model from in-the-wild images | https://doi.org/10.1145/3450626.3459936 | [
"Yao Feng",
"Haiwen Feng",
"Michael J. Black",
"Timo Bolkart"
] | While current monocular 3D face reconstruction methods can recover fine geometric details, they suffer several limitations. Some methods produce faces that cannot be realistically animated because they do not model how wrinkles vary with expression. Other methods are trained on high-quality face scans and do not genera... | journal | 10.1145/3450626.3459936 | 2012.04012 | title_snapshot | [
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Volumetric appearance stylization with stylizing kernel prediction network | https://doi.org/10.1145/3450626.3459799 | [
"Jie Guo",
"Mengtian Li",
"Zijing Zong",
"Yuntao Liu",
"Jingwu He",
"Yanwen Guo",
"Ling-Qi Yan"
] | This paper aims to efficiently construct the volume of heterogeneous single-scattering albedo for a given medium that would lead to desired color appearance. We achieve this goal by formulating it as a volumetric style transfer problem in which an input 3D density volume is stylized using color features extracted from ... | journal | 10.1145/3450626.3459799 | null | null | [
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Knitting 4D garments with elasticity controlled for body motion | https://doi.org/10.1145/3450626.3459868 | [
"Zishun Liu",
"Xingjian Han",
"Yuchen Zhang",
"Xiangjia Chen",
"Yu-Kun Lai",
"Eugeni L. Doubrovski",
"Emily Whiting",
"Charlie C. L. Wang"
] | In this paper, we present a new computational pipeline for designing and fabricating 4D garments as knitwear that considers comfort during body movement. This is achieved by careful control of elasticity distribution to reduce uncomfortable pressure and unwanted sliding caused by body motion. We exploit the ability to ... | journal | 10.1145/3450626.3459868 | null | null | [
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TransPose: real-time 3D human translation and pose estimation with six inertial sensors | https://doi.org/10.1145/3450626.3459786 | [
"Xinyu Yi",
"Yuxiao Zhou",
"Feng Xu"
] | Motion capture is facing some new possibilities brought by the inertial sensing technologies which do not suffer from occlusion or wide-range recordings as vision-based solutions do. However, as the recorded signals are sparse and quite noisy, online performance and global translation estimation turn out to be two key ... | journal | 10.1145/3450626.3459786 | 2105.04605 | title_snapshot | [
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Dynamic closest color warping to sort and compare palettes | https://doi.org/10.1145/3450626.3459776 | [
"Suzi kim",
"Sunghee Choi"
] | A color palette is one of the simplest and most intuitive descriptors that can be extracted from images or videos. This paper proposes a method to assess the similarity between color palettes by sorting colors. While previous palette similarity measures compare only colors without considering the overall palette combin... | journal | 10.1145/3450626.3459776 | null | null | [
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Fast linking numbers for topology verification of loopy structures | https://doi.org/10.1145/3450626.3459778 | [
"Ante Qu",
"Doug L. James"
] | It is increasingly common to model, simulate, and process complex materials based on loopy structures, such as in yarn-level cloth garments, which possess topological constraints between inter-looping curves. While the input model may satisfy specific topological linkages between pairs of closed loops, subsequent proce... | journal | 10.1145/3450626.3459778 | 2106.12655 | title_snapshot | [
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Only a matter of style: age transformation using a style-based regression model | https://doi.org/10.1145/3450626.3459805 | [
"Yuval Alaluf",
"Or Patashnik",
"Daniel Cohen-Or"
] | The task of age transformation illustrates the change of an individual's appearance over time. Accurately modeling this complex transformation over an input facial image is extremely challenging as it requires making convincing, possibly large changes to facial features and head shape, while still preserving the input ... | journal | 10.1145/3450626.3459805 | 2102.02754 | title_snapshot | [
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Designing an encoder for StyleGAN image manipulation | https://doi.org/10.1145/3450626.3459838 | [
"Omer Tov",
"Yuval Alaluf",
"Yotam Nitzan",
"Or Patashnik",
"Daniel Cohen-Or"
] | Recently, there has been a surge of diverse methods for performing image editing by employing pre-trained unconditional generators. Applying these methods on real images, however, remains a challenge, as it necessarily requires the inversion of the images into their latent space. To successfully invert a real image, on... | journal | 10.1145/3450626.3459838 | 2102.02766 | title_snapshot | [
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Fast diffraction pathfinding for dynamic sound propagation | https://doi.org/10.1145/3450626.3459751 | [
"Carl Schissler",
"Gregor Mückl",
"Paul Calamia"
] | In the context of geometric acoustic simulation, one of the more perceptually important yet difficult to simulate acoustic effects is diffraction, a phenomenon that allows sound to propagate around obstructions and corners. A significant bottleneck in real-time simulation of diffraction is the enumeration of high-order... | journal | 10.1145/3450626.3459751 | null | null | [
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Editable free-viewpoint video using a layered neural representation | https://doi.org/10.1145/3450626.3459756 | [
"Jiakai Zhang",
"Xinhang Liu",
"Xinyi Ye",
"Fuqiang Zhao",
"Yanshun Zhang",
"Minye Wu",
"Yingliang Zhang",
"Lan Xu",
"Jingyi Yu"
] | Generating free-viewpoint videos is critical for immersive VR/AR experience, but recent neural advances still lack the editing ability to manipulate the visual perception for large dynamic scenes. To fill this gap, in this paper, we propose the first approach for editable free-viewpoint video generation for large-scale... | journal | 10.1145/3450626.3459756 | 2104.14786 | title_snapshot | [
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The effect of shape and illumination on material perception: model and applications | https://doi.org/10.1145/3450626.3459813 | [
"Ana Serrano",
"Bin Chen",
"Chao Wang",
"Michal Piovarči",
"Hans-Peter Seidel",
"Piotr Didyk",
"Karol Myszkowski"
] | Material appearance hinges on material reflectance properties but also surface geometry and illumination. The unlimited number of potential combinations between these factors makes understanding and predicting material appearance a very challenging task. In this work, we collect a large-scale dataset of perceptual rati... | journal | 10.1145/3450626.3459813 | null | null | [
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High-order differentiable autoencoder for nonlinear model reduction | https://doi.org/10.1145/3450626.3459754 | [
"Siyuan Shen",
"Yin Yang",
"Tianjia Shao",
"He Wang",
"Chenfanfu Jiang",
"Lei Lan",
"Kun Zhou"
] | This paper provides a new avenue for exploiting deep neural networks to improve physics-based simulation. Specifically, we integrate the classic Lagrangian mechanics with a deep autoencoder to accelerate elastic simulation of deformable solids. Due to the inertia effect, the dynamic equilibrium cannot be established wi... | journal | 10.1145/3450626.3459754 | 2102.11026 | title_snapshot | [
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Antithetic sampling for Monte Carlo differentiable rendering | https://doi.org/10.1145/3450626.3459783 | [
"Cheng Zhang",
"Zhao Dong",
"Michael Doggett",
"Shuang Zhao"
] | Stochastic sampling of light transport paths is key to Monte Carlo forward rendering, and previous studies have led to mature techniques capable of drawing high-contribution light paths in complex scenes. These sampling techniques have also been applied to differentiable rendering. In this paper, we demonstrate that pa... | journal | 10.1145/3450626.3459783 | null | null | [
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Unconventional patterns on surfaces | https://doi.org/10.1145/3450626.3459933 | [
"Merel Meekes",
"Amir Vaxman"
] | We present a unified method to meshing surfaces with unconventional patterns, both periodic and aperiodic. These patterns, which have so far been studied on the plane, are patterns comprising a small number of tiles, that do not necessarily exhibit translational periodicity. Our method generalizes the de Bruijn multigr... | journal | 10.1145/3450626.3459933 | null | null | [
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... |
Coarse-to-fine: facial structure editing of portrait images via latent space classifications | https://doi.org/10.1145/3450626.3459814 | [
"Yiqian Wu",
"Yong-Liang Yang",
"Qinjie Xiao",
"Xiaogang Jin"
] | Facial structure editing of portrait images is challenging given the facial variety, the lack of ground-truth, the necessity of jointly adjusting color and shape, and the requirement of no visual artifacts. In this paper, we investigate how to perform chin editing as a case study of editing facial structures. We presen... | journal | 10.1145/3450626.3459814 | null | null | [
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Path-space differentiable rendering of participating media | https://doi.org/10.1145/3450626.3459782 | [
"Cheng Zhang",
"Zihan Yu",
"Shuang Zhao"
] | Physics-based differentiable rendering---which focuses on estimating derivatives of radiometric detector responses with respect to arbitrary scene parameters---has a diverse array of applications from solving analysis-by-synthesis problems to training machine-learning pipelines incorporating forward-rendering processes... | journal | 10.1145/3450626.3459782 | null | null | [
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Orienting point clouds with dipole propagation | https://doi.org/10.1145/3450626.3459835 | [
"Gal Metzer",
"Rana Hanocka",
"Denis Zorin",
"Raja Giryes",
"Daniele Panozzo",
"Daniel Cohen-Or"
] | Establishing a consistent normal orientation for point clouds is a notoriously difficult problem in geometry processing, requiring attention to both local and global shape characteristics. The normal direction of a point is a function of the local surface neighborhood; yet, point clouds do not disclose the full underly... | journal | 10.1145/3450626.3459835 | 2105.01604 | title_snapshot | [
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Learning time-critical responses for interactive character control | https://doi.org/10.1145/3450626.3459826 | [
"Kyungho Lee",
"Sehee Min",
"Sunmin Lee",
"Jehee Lee"
] | Creating agile and responsive characters from a collection of unorganized human motion has been an important problem of constructing interactive virtual environments. Recently, learning-based approaches have successfully been exploited to learn deep network policies for the control of interactive characters. The agilit... | journal | 10.1145/3450626.3459826 | null | null | [
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3D weaving with curved ribbons | https://doi.org/10.1145/3450626.3459788 | [
"Yingying Ren",
"Julian Panetta",
"Tian Chen",
"Florin Isvoranu",
"Samuel Poincloux",
"Christopher Brandt",
"Alison Martin",
"Mark Pauly"
] | Basket weaving is a traditional craft for creating curved surfaces as an interwoven array of thin, flexible, and initially straight ribbons. The three-dimensional shape of a woven structure emerges through a complex interplay of the elastic bending behavior of the ribbons and the contact forces at their crossings. Curv... | journal | 10.1145/3450626.3459788 | null | null | [
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Bijective and coarse high-order tetrahedral meshes | https://doi.org/10.1145/3450626.3459840 | [
"Zhongshi Jiang",
"Ziyi Zhang",
"Yixin Hu",
"Teseo Schneider",
"Denis Zorin",
"Daniele Panozzo"
] | We introduce a robust and automatic algorithm to convert linear triangle meshes with feature annotated into coarse tetrahedral meshes with curved elements. Our construction guarantees that the high-order meshes are free of element inversion or self-intersection. A user-specified maximal geometrical error from the input... | journal | 10.1145/3450626.3459840 | null | null | [
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Foldover-free maps in 50 lines of code | https://doi.org/10.1145/3450626.3459847 | [
"Vladimir Garanzha",
"Igor Kaporin",
"Liudmila Kudryavtseva",
"François Protais",
"Nicolas Ray",
"Dmitry Sokolov"
] | Mapping a triangulated surface to 2D space (or a tetrahedral mesh to 3D space) is an important problem in geometry processing. In computational physics, untangling plays an important role in mesh generation: it takes a mesh as an input, and moves the vertices to get rid of foldovers. In fact, mesh untangling can be con... | journal | 10.1145/3450626.3459847 | 2102.03069 | title_snapshot | [
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A unified second-order accurate in time MPM formulation for simulating viscoelastic liquids with phase change | https://doi.org/10.1145/3450626.3459820 | [
"Haozhe Su",
"Tao Xue",
"Chengguizi Han",
"Chenfanfu Jiang",
"Mridul Aanjaneya"
] | We assume that the viscous forces in any liquid are simultaneously local and non-local , and introduce the extended POM-POM model [McLeish and Larson 1998; Oishi et al. 2012; Verbeeten et al. 2001] to computer graphics to design a unified constitutive model for viscosity that generalizes prior models, such as Oldroyd-B... | journal | 10.1145/3450626.3459820 | null | null | [
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0.... |
Consistent depth of moving objects in video | https://doi.org/10.1145/3450626.3459871 | [
"Zhoutong Zhang",
"Forrester Cole",
"Richard Tucker",
"William T. Freeman",
"Tali Dekel"
] | We present a method to estimate depth of a dynamic scene, containing arbitrary moving objects, from an ordinary video captured with a moving camera. We seek a geometrically and temporally consistent solution to this under-constrained problem: the depth predictions of corresponding points across frames should induce pla... | journal | 10.1145/3450626.3459871 | 2108.01166 | title_snapshot | [
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Learning meaningful controls for fluids | https://doi.org/10.1145/3450626.3459845 | [
"Mengyu Chu",
"Nils Thuerey",
"Hans-Peter Seidel",
"Christian Theobalt",
"Rhaleb Zayer"
] | While modern fluid simulation methods achieve high-quality simulation results, it is still a big challenge to interpret and control motion from visual quantities, such as the advected marker density. These visual quantities play an important role in user interactions: Being familiar and meaningful to humans, these quan... | journal | 10.1145/3450626.3459845 | null | null | [
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0.... |
PH-CPF: planar hexagonal meshing using coordinate power fields | https://doi.org/10.1145/3450626.3459770 | [
"Kacper Pluta",
"Michal Edelstein",
"Amir Vaxman",
"Mirela Ben-Chen"
] | We present a new approach for computing planar hexagonal meshes that approximate a given surface, represented as a triangle mesh. Our method is based on two novel technical contributions. First, we introduce Coordinate Power Fields , which are a pair of tangent vector fields on the surface that fulfill a certain contin... | journal | 10.1145/3450626.3459770 | 2105.02507 | title_snapshot | [
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A momentum-conserving implicit material point method for surface tension with contact angles and spatial gradients | https://doi.org/10.1145/3450626.3459874 | [
"Jingyu Chen",
"Victoria Kala",
"Alan Marquez-Razon",
"Elias Gueidon",
"David A. B. Hyde",
"Joseph Teran"
] | We present a novel Material Point Method (MPM) discretization of surface tension forces that arise from spatially varying surface energies. These variations typically arise from surface energy dependence on temperature and/or concentration. Furthermore, since the surface energy is an interfacial property depending on t... | journal | 10.1145/3450626.3459874 | 2101.12408 | title_judge | [
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Systematically differentiating parametric discontinuities | https://doi.org/10.1145/3450626.3459775 | [
"Sai Praveen Bangaru",
"Jesse Michel",
"Kevin Mu",
"Gilbert Bernstein",
"Tzu-Mao Li",
"Jonathan Ragan-Kelley"
] | Emerging research in computer graphics, inverse problems, and machine learning requires us to differentiate and optimize parametric discontinuities. These discontinuities appear in object boundaries, occlusion, contact, and sudden change over time. In many domains, such as rendering and physics simulation, we different... | journal | 10.1145/3450626.3459775 | null | null | [
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Mechanics-aware deformation of yarn pattern geometry | https://doi.org/10.1145/3450626.3459816 | [
"Georg Sperl",
"Rahul Narain",
"Chris Wojtan"
] | Triangle mesh-based simulations are able to produce satisfying animations of knitted and woven cloth; however, they lack the rich geometric detail of yarn-level simulations. Naive texturing approaches do not consider yarn-level physics, while full yarn-level simulations may become prohibitively expensive for large garm... | journal | 10.1145/3450626.3459816 | null | null | [
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Intersection-free rigid body dynamics | https://doi.org/10.1145/3450626.3459802 | [
"Zachary Ferguson",
"Minchen Li",
"Teseo Schneider",
"Francisca Gil-Ureta",
"Timothy Langlois",
"Chenfanfu Jiang",
"Denis Zorin",
"Danny M. Kaufman",
"Daniele Panozzo"
] | We introduce the first implicit time-stepping algorithm for rigid body dynamics, with contact and friction, that guarantees intersection-free configurations at every time step. Our algorithm explicitly models the curved trajectories traced by rigid bodies in both collision detection and response. For collision detectio... | journal | 10.1145/3450626.3459802 | null | null | [
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A gradient-based framework for 3D print appearance optimization | https://doi.org/10.1145/3450626.3459844 | [
"Thomas Klaus Nindel",
"Tomáš Iser",
"Tobias Rittig",
"Alexander Wilkie",
"Jaroslav Křivánek"
] | In full-color inkjet 3D printing, a key problem is determining the material configuration for the millions of voxels that a printed object is made of. The goal is a configuration that minimises the difference between desired target appearance and the result of the printing process. So far, the techniques used to find s... | journal | 10.1145/3450626.3459844 | null | null | [
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KnitKit: a flexible system for machine knitting of customizable textiles | https://doi.org/10.1145/3450626.3459790 | [
"Georges Nader",
"Yu Han Quek",
"Pei Zhi Chia",
"Oliver Weeger",
"Sai-Kit Yeung"
] | In this work, we introduce KnitKit , a flexible and customizable system for the computational design and production of functional, multi-material, and three-dimensional knitted textiles. Our system greatly simplifies the knitting of 3D objects with complex, varying patterns that use multiple yarns and stitch patterns b... | journal | 10.1145/3450626.3459790 | null | null | [
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Knit sketching: from cut & sew patterns to machine-knit garments | https://doi.org/10.1145/3450626.3459752 | [
"Alexandre Kaspar",
"Kui Wu",
"Yiyue Luo",
"Liane Makatura",
"Wojciech Matusik"
] | We present a novel workflow to design and program knitted garments for industrial whole-garment knitting machines. Inspired by traditional garment making based on cutting and sewing, we propose a sketch representation with additional annotations necessary to model the knitting process. Our system bypasses complex editi... | journal | 10.1145/3450626.3459752 | null | null | [
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Low-cost SPAD sensing for non-line-of-sight tracking, material classification and depth imaging | https://doi.org/10.1145/3450626.3459824 | [
"Clara Callenberg",
"Zheng Shi",
"Felix Heide",
"Matthias B. Hullin"
] | Time-correlated imaging is an emerging sensing modality that has been shown to enable promising application scenarios, including lidar ranging, fluorescence lifetime imaging, and even non-line-of-sight sensing. A leading technology for obtaining time-correlated light measurements are single-photon avalanche diodes (SPA... | journal | 10.1145/3450626.3459824 | null | null | [
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Authoring consistent landscapes with flora and fauna | https://doi.org/10.1145/3450626.3459952 | [
"Pierre Ecormier-Nocca",
"Guillaume Cordonnier",
"Philippe Carrez",
"Anne-Marie Moigne",
"Pooran Memari",
"Bedrich Benes",
"Marie-Paule Cani"
] | We present a novel method for authoring landscapes with flora and fauna while considering their mutual interactions. Our algorithm outputs a steady-state ecosystem in the form of density maps for each species, their daily circuits, and a modified terrain with eroded trails from a terrain, climatic conditions, and speci... | journal | 10.1145/3450626.3459952 | null | null | [
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Learning active quasistatic physics-based models from data | https://doi.org/10.1145/3450626.3459883 | [
"Sangeetha Grama Srinivasan",
"Qisi Wang",
"Junior Rojas",
"Gergely Klár",
"Ladislav Kavan",
"Eftychios Sifakis"
] | Humans and animals can control their bodies to generate a wide range of motions via low-dimensional action signals representing high-level goals. As such, human bodies and faces are prime examples of active objects, which can affect their shape via an internal actuation mechanism. This paper explores the following prop... | journal | 10.1145/3450626.3459883 | null | null | [
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Geometry and tool motion planning for curvature adapted CNC machining | https://doi.org/10.1145/3450626.3459837 | [
"Michael Bartoň",
"Michal Bizzarri",
"Florian Rist",
"Oleksii Sliusarenko",
"Helmut Pottmann"
] | CNC machining is the leading subtractive manufacturing technology. Although it is in use since decades, it is far from fully solved and still a rich source for challenging problems in geometric computing. We demonstrate this at hand of 5-axis machining of freeform surfaces, where the degrees of freedom in selecting and... | journal | 10.1145/3450626.3459837 | null | null | [
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Computational design of weingarten surfaces | https://doi.org/10.1145/3450626.3459939 | [
"Davide Pellis",
"Martin Kilian",
"Helmut Pottmann",
"Mark Pauly"
] | In this paper we study Weingarten surfaces and explore their potential for fabrication-aware design in freeform architecture. Weingarten surfaces are characterized by a functional relation between their principal curvatures that implicitly defines approximate local congruences on the surface. These symmetries can be ex... | journal | 10.1145/3450626.3459939 | null | null | [
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A perceptual model for eccentricity-dependent spatio-temporal flicker fusion and its applications to foveated graphics | https://doi.org/10.1145/3450626.3459784 | [
"Brooke Krajancich",
"Petr Kellnhofer",
"Gordon Wetzstein"
] | Virtual and augmented reality (VR/AR) displays strive to provide a resolution, framerate and field of view that matches the perceptual capabilities of the human visual system, all while constrained by limited compute budgets and transmission bandwidths of wearable computing systems. Foveated graphics techniques have em... | journal | 10.1145/3450626.3459784 | 2104.13514 | title_snapshot | [
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Free-form scanning of non-planar appearance with neural trace photography | https://doi.org/10.1145/3450626.3459679 | [
"Xiaohe Ma",
"Kaizhang Kang",
"Ruisheng Zhu",
"Hongzhi Wu",
"Kun Zhou"
] | We propose neural trace photography, a novel framework to automatically learn high-quality scanning of non-planar, complex anisotropic appearance. Our key insight is that free-form appearance scanning can be cast as a geometry learning problem on unstructured point clouds, each of which represents an image measurement ... | journal | 10.1145/3450626.3459679 | null | null | [
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Fast quasi-harmonic weights for geometric data interpolation | https://doi.org/10.1145/3450626.3459801 | [
"Yu Wang",
"Justin Solomon"
] | We propose quasi-harmonic weights for interpolating geometric data, which are orders of magnitude faster to compute than state-of-the-art. Currently, interpolation (or, skinning) weights are obtained by solving large-scale constrained optimization problems with explicit constraints to suppress oscillative patterns, yie... | journal | 10.1145/3450626.3459801 | null | null | [
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Highlight-aware two-stream network for single-image SVBRDF acquisition | https://doi.org/10.1145/3450626.3459854 | [
"Jie Guo",
"Shuichang Lai",
"Chengzhi Tao",
"Yuelong Cai",
"Lei Wang",
"Yanwen Guo",
"Ling-Qi Yan"
] | This paper addresses the task of estimating spatially-varying reflectance (i.e., SVBRDF) from a single, casually captured image. Central to our method is a highlight-aware (HA) convolution operation and a two-stream neural network equipped with proper training losses. Our HA convolution, as a novel variant of standard ... | journal | 10.1145/3450626.3459854 | null | null | [
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Boundary-sampled halfspaces: a new representation for constructive solid modeling | https://doi.org/10.1145/3450626.3459870 | [
"Xingyi Du",
"Qingnan Zhou",
"Nathan Carr",
"Tao Ju"
] | We present a novel representation of solid models for shape design. Like Constructive Solid Geometry (CSG), the solid shape is constructed from a set of halfspaces without the need for an explicit boundary structure. Instead of using Boolean expressions as in CSG, the shape is defined by sparsely placed samples on the ... | journal | 10.1145/3450626.3459870 | null | null | [
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Capturing detailed deformations of moving human bodies | https://doi.org/10.1145/3450626.3459792 | [
"He Chen",
"Hyojoon Park",
"Kutay Macit",
"Ladislav Kavan"
] | We present a new method to capture detailed human motion, sampling more than 1000 unique points on the body. Our method outputs highly accurate 4D (spatio-temporal) point coordinates and, crucially, automatically assigns a unique label to each of the points. The locations and unique labels of the points are inferred fr... | journal | 10.1145/3450626.3459792 | 2102.07343 | title_snapshot | [
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Medial IPC: accelerated incremental potential contact with medial elastics | https://doi.org/10.1145/3450626.3459753 | [
"Lei Lan",
"Yin Yang",
"Danny Kaufman",
"Junfeng Yao",
"Minchen Li",
"Chenfanfu Jiang"
] | We propose a framework of efficient nonlinear deformable simulation with both fast continuous collision detection and robust collision resolution. We name this new framework Medial IPC as it integrates the merits from medial elastics, for an efficient and versatile reduced simulation, as well as incremental potential c... | journal | 10.1145/3450626.3459753 | null | null | [
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... |
MoCap-solver: a neural solver for optical motion capture data | https://doi.org/10.1145/3450626.3459681 | [
"Kang Chen",
"Yupan Wang",
"Song-Hai Zhang",
"Sen-Zhe Xu",
"Weidong Zhang",
"Shi-Min Hu"
] | In a conventional optical motion capture (MoCap) workflow, two processes are needed to turn captured raw marker sequences into correct skeletal animation sequences. Firstly, various tracking errors present in the markers must be fixed ( cleaning or refining ). Secondly, an agent skeletal mesh must be prepared for the a... | journal | 10.1145/3450626.3459681 | null | null | [
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BRDF importance sampling for polygonal lights | https://doi.org/10.1145/3450626.3459672 | [
"Christoph Peters"
] | With the advent of real-time ray tracing, there is an increasing interest in GPU-friendly importance sampling techniques. We present such methods to sample convex polygonal lights approximately proportional to diffuse and specular BRDFs times the cosine term. For diffuse surfaces, we sample the polygons proportional to... | journal | 10.1145/3450626.3459672 | null | null | [
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0... |
TryOnGAN: body-aware try-on via layered interpolation | https://doi.org/10.1145/3450626.3459884 | [
"Kathleen M Lewis",
"Srivatsan Varadharajan",
"Ira Kemelmacher-Shlizerman"
] | Given a pair of images---target person and garment on another person---we automatically generate the target person in the given garment. Previous methods mostly focused on texture transfer via paired data training, while overlooking body shape deformations, skin color, and seamless blending of garment with the person. ... | journal | 10.1145/3450626.3459884 | 2101.02285 | title_snapshot | [
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Neural scene graph rendering | https://doi.org/10.1145/3450626.3459848 | [
"Jonathan Granskog",
"Till N. Schnabel",
"Fabrice Rousselle",
"Jan Novák"
] | We present a neural scene graph---a modular and controllable representation of scenes with elements that are learned from data. We focus on the forward rendering problem, where the scene graph is provided by the user and references learned elements. The elements correspond to geometry and material definitions of scene ... | journal | 10.1145/3450626.3459848 | null | null | [
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Computing minimal surfaces with differential forms | https://doi.org/10.1145/3450626.3459781 | [
"Stephanie Wang",
"Albert Chern"
] | We describe a new algorithm that solves a classical geometric problem: Find a surface of minimal area bordered by an arbitrarily prescribed boundary curve. Existing numerical methods face challenges due to the non-convexity of the problem. Using a representation of curves and surfaces via differential forms on the ambi... | journal | 10.1145/3450626.3459781 | null | null | [
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0.... |
A non-exponential transmittance model for volumetric scene representations | https://doi.org/10.1145/3450626.3459815 | [
"Delio Vicini",
"Wenzel Jakob",
"Anton Kaplanyan"
] | We introduce a novel transmittance model to improve the volumetric representation of 3D scenes. The model can represent opaque surfaces in the volumetric light transport framework. Volumetric representations are useful for complex scenes, and become increasingly popular for level of detail and scene reconstruction. The... | journal | 10.1145/3450626.3459815 | null | null | [
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0.0... |
Control strategies for physically simulated characters performing two-player competitive sports | https://doi.org/10.1145/3450626.3459761 | [
"Jungdam Won",
"Deepak Gopinath",
"Jessica Hodgins"
] | In two-player competitive sports, such as boxing and fencing , athletes often demonstrate efficient and tactical movements during a competition. In this paper, we develop a learning framework that generates control policies for physically simulated athletes who have many degrees-of-freedom. Our framework uses a two ste... | journal | 10.1145/3450626.3459761 | null | null | [
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... |
SANM: a symbolic asymptotic numerical solver with applications in mesh deformation | https://doi.org/10.1145/3450626.3459755 | [
"Kai Jia"
] | Solving nonlinear systems is an important problem. Numerical continuation methods efficiently solve certain nonlinear systems. The Asymptotic Numerical Method (ANM) is a powerful continuation method that usually converges faster than Newtonian methods. ANM explores the landscape of the function by following a parameter... | journal | 10.1145/3450626.3459755 | 2105.08535 | title_snapshot | [
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-0.03918806090950966,
... |
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