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10.1145/2661229.2661262
Spatial-spectral encoded compressive hyperspectral imaging
https://doi.org/10.1145/2661229.2661262
[ "Xing Lin", "Yebin Liu", "Jiamin Wu", "Qionghai Dai" ]
This paper proposes a novel compressive hyperspectral (HS) imaging approach that allows for high-resolution HS images to be captured in a single image. The proposed architecture comprises three key components: spatial-spectral encoded optical camera design, over-complete HS dictionary learning and sparse-constraint com...
journal
10.1145/2661229.2661262
null
null
10.1145/2661229.2661257
Rendering volumetric haptic shapes in mid-air using ultrasound
https://doi.org/10.1145/2661229.2661257
[ "Benjamin Long", "Sue Ann Seah", "Tom Carter", "Sriram Subramanian" ]
We present a method for creating three-dimensional haptic shapes in mid-air using focused ultrasound. This approach applies the principles of acoustic radiation force , whereby the non-linear effects of sound produce forces on the skin which are strong enough to generate tactile sensations. This mid-air haptic feedback...
journal
10.1145/2661229.2661257
null
null
10.1145/2661229.2661259
A framework for the experimental comparison of solar and skydome illumination
https://doi.org/10.1145/2661229.2661259
[ "Joseph T. Kider", "Daniel Knowlton", "Jeremy Newlin", "Yining Karl Li", "Donald P. Greenberg" ]
The illumination and appearance of the solar/skydome is critical for many applications in computer graphics, computer vision, and daylighting studies. Unfortunately, physically accurate measurements of this rapidly changing illumination source are difficult to achieve, but necessary for the development of accurate phys...
journal
10.1145/2661229.2661259
null
null
10.1145/2661229.2661260
FlexISP: a flexible camera image processing framework
https://doi.org/10.1145/2661229.2661260
[ "Felix Heide", "Markus Steinberger", "Yun-Ta Tsai", "Mushfiqur Rouf", "Dawid Pająk", "Dikpal Reddy", "Orazio Gallo", "Jing Liu", "Wolfgang Heidrich", "Karen Egiazarian", "Jan Kautz", "Kari Pulli" ]
Conventional pipelines for capturing, displaying, and storing images are usually defined as a series of cascaded modules, each responsible for addressing a particular problem. While this divide-and-conquer approach offers many benefits, it also introduces a cumulative error, as each step in the pipeline only considers ...
journal
10.1145/2661229.2661260
null
null
10.1145/2661229.2661248
Improving visual quality of view transitions in automultiscopic displays
https://doi.org/10.1145/2661229.2661248
[ "Song-Pei Du", "Piotr Didyk", "Frédo Durand", "Shi-Min Hu", "Wojciech Matusik" ]
Automultiscopic screens present different images depending on the viewing direction. This enables glasses-free 3D and provides motion parallax effect. However, due to the limited angular resolution of such displays, they suffer from hot-spotting, i. e., image quality is highly affected by the viewing position. In this ...
journal
10.1145/2661229.2661248
null
null
10.1145/2661229.2661268
Temporally coherent local tone mapping of HDR video
https://doi.org/10.1145/2661229.2661268
[ "Tunç Ozan Aydin", "Nikolce Stefanoski", "Simone Croci", "Markus Gross", "Aljoscha Smolic" ]
Recent subjective studies showed that current tone mapping operators either produce disturbing temporal artifacts, or are limited in their local contrast reproduction capability. We address both of these issues and present an HDR video tone mapping operator that can greatly reduce the input dynamic range, while at the ...
journal
10.1145/2661229.2661268
null
null
10.1145/2661229.2661286
Leveraging depth cameras and wearable pressure sensors for full-body kinematics and dynamics capture
https://doi.org/10.1145/2661229.2661286
[ "Peizhao Zhang", "Kristin Siu", "Jianjie Zhang", "C. Karen Liu", "Jinxiang Chai" ]
We present a new method for full-body motion capture that uses input data captured by three depth cameras and a pair of pressure-sensing shoes. Our system is appealing because it is low-cost, non-intrusive and fully automatic, and can accurately reconstruct both full-body kinematics and dynamics data. We first introduc...
journal
10.1145/2661229.2661286
null
null
10.1145/2661229.2661241
Morfit: interactive surface reconstruction from incomplete point clouds with curve-driven topology and geometry control
https://doi.org/10.1145/2661229.2661241
[ "Kangxue Yin", "Hui Huang", "Hao Zhang", "Minglun Gong", "Daniel Cohen-Or", "Baoquan Chen" ]
With significant data missing in a point scan, reconstructing a complete surface with sufficient geometric and topological fidelity is highly challenging. We present an interactive technique for surface reconstruction from incomplete and sparse scans of 3D objects possessing sharp features. A fundamental premise of our...
journal
10.1145/2661229.2661241
null
null
10.1145/2661229.2661239
Automatic semantic modeling of indoor scenes from low-quality RGB-D data using contextual information
https://doi.org/10.1145/2661229.2661239
[ "Kang Chen", "Yu-Kun Lai", "Yu-Xin Wu", "Ralph Martin", "Shi-Min Hu" ]
We present a novel solution to automatic semantic modeling of indoor scenes from a sparse set of low-quality RGB-D images. Such data presents challenges due to noise, low resolution, occlusion and missing depth information. We exploit the knowledge in a scene database containing 100s of indoor scenes with over 10,000 m...
journal
10.1145/2661229.2661239
null
null
10.1145/2661229.2661270
Skinning cubic Bézier splines and Catmull-Clark subdivision surfaces
https://doi.org/10.1145/2661229.2661270
[ "Songrun Liu", "Alec Jacobson", "Yotam Gingold" ]
Smooth space deformation has become a vital tool for the animation and design of 2D and 3D shapes. Linear methods, under the umbrella term of "linear blend skinning", are the de facto standard for 3D animations. Unfortunately such approaches do not trivially extend to deforming vector graphics , such as the cubic Bézie...
journal
10.1145/2661229.2661270
null
null
10.1145/2661229.2661265
Structure completion for facade layouts
https://doi.org/10.1145/2661229.2661265
[ "Lubin Fan", "Przemyslaw Musialski", "Ligang Liu", "Peter Wonka" ]
We present a method to complete missing structures in facade layouts. Starting from an abstraction of the partially observed layout as a set of shapes, we can propose one or multiple possible completed layouts. Structure completion with large missing parts is an ill-posed problem. Therefore, we combine two sources of i...
journal
10.1145/2661229.2661265
null
null
10.1145/2661229.2661249
Local random-phase noise for procedural texturing
https://doi.org/10.1145/2661229.2661249
[ "Guillaume Gilet", "Basile Sauvage", "Kenneth Vanhoey", "Jean-Michel Dischler", "Djamchid Ghazanfarpour" ]
Local random-phase noise is a noise model for procedural texturing. It is defined on a regular spatial grid by local noises, which are sums of cosines with random phase. Our model is versatile thanks to separate sampling in the spatial and spectral domains. Therefore, it encompasses Gabor noise and noise by Fourier ser...
journal
10.1145/2661229.2661249
null
null
10.1145/2661229.2661243
Creating consistent scene graphs using a probabilistic grammar
https://doi.org/10.1145/2661229.2661243
[ "Tianqiang Liu", "Siddhartha Chaudhuri", "Vladimir G. Kim", "Qixing Huang", "Niloy J. Mitra", "Thomas Funkhouser" ]
Growing numbers of 3D scenes in online repositories provide new opportunities for data-driven scene understanding, editing, and synthesis. Despite the plethora of data now available online, most of it cannot be effectively used for data-driven applications because it lacks consistent segmentations, category labels, and...
journal
10.1145/2661229.2661243
null
null
10.1145/2661229.2661283
Appearance-from-motion: recovering spatially varying surface reflectance under unknown lighting
https://doi.org/10.1145/2661229.2661283
[ "Yue Dong", "Guojun Chen", "Pieter Peers", "Jiawan Zhang", "Xin Tong" ]
We present "appearance-from-motion", a novel method for recovering the spatially varying isotropic surface reflectance from a video of a rotating subject, with known geometry, under unknown natural illumination. We formulate the appearance recovery as an iterative process that alternates between estimating surface refl...
journal
10.1145/2661229.2661283
null
null
10.1145/2661229.2661271
Generating and ranking diverse multi-character interactions
https://doi.org/10.1145/2661229.2661271
[ "Jungdam Won", "Kyungho Lee", "Carol O'Sullivan", "Jessica K. Hodgins", "Jehee Lee" ]
In many application areas, such as animation for pre-visualizing movie sequences and choreography for dance or other types of performance, only a high-level description of the desired scene is provided as input, either written or verbal. Such sparsity, however, lends itself well to the creative process, as the choreogr...
journal
10.1145/2661229.2661271
null
null
10.1145/2661229.2661269
SPGrid: a sparse paged grid structure applied to adaptive smoke simulation
https://doi.org/10.1145/2661229.2661269
[ "Rajsekhar Setaluri", "Mridul Aanjaneya", "Sean Bauer", "Eftychios Sifakis" ]
We introduce a new method for fluid simulation on high-resolution adaptive grids which rivals the throughput and parallelism potential of methods based on uniform grids. Our enabling contribution is SPGrid , a new data structure for compact storage and efficient stream processing of sparsely populated uniform Cartesian...
journal
10.1145/2661229.2661269
null
null
10.1145/2661229.2661273
MoSh: motion and shape capture from sparse markers
https://doi.org/10.1145/2661229.2661273
[ "Matthew Loper", "Naureen Mahmood", "Michael J. Black" ]
Marker-based motion capture (mocap) is widely criticized as producing lifeless animations. We argue that important information about body surface motion is present in standard marker sets but is lost in extracting a skeleton. We demonstrate a new approach called MoSh (Motion and Shape capture), that automatically extra...
journal
10.1145/2661229.2661273
null
null
10.1145/2661229.2661284
Dynamic hair capture using spacetime optimization
https://doi.org/10.1145/2661229.2661284
[ "Zexiang Xu", "Hsiang-Tao Wu", "Lvdi Wang", "Changxi Zheng", "Xin Tong", "Yue Qi" ]
Dynamic hair strands have complex structures and experience intricate collisions and occlusion, posing significant challenges for high-quality reconstruction of their motions. We present a comprehensive dynamic hair capture system for reconstructing realistic hair motions from multiple synchronized video sequences. To ...
journal
10.1145/2661229.2661284
null
null
10.1145/2661229.2661242
Quality-driven poisson-guided autoscanning
https://doi.org/10.1145/2661229.2661242
[ "Shihao Wu", "Wei Sun", "Pinxin Long", "Hui Huang", "Daniel Cohen-Or", "Minglun Gong", "Oliver Deussen", "Baoquan Chen" ]
We present a quality-driven, Poisson-guided autonomous scanning method. Unlike previous scan planning techniques, we do not aim to minimize the number of scans needed to cover the object's surface, but rather to ensure the high quality scanning of the model. This goal is achieved by placing the scanner at strategically...
journal
10.1145/2661229.2661242
null
null
10.1145/2661229.2661280
Data-driven segmentation and labeling of freehand sketches
https://doi.org/10.1145/2661229.2661280
[ "Zhe Huang", "Hongbo Fu", "Rynson W. H. Lau" ]
We present a data-driven approach to derive part-level segmentation and labeling of free-hand sketches, which depict single objects with multiple parts. Our method performs segmentation and labeling simultaneously, by inferring a structure that best fits the input sketch, through selecting and connecting 3D components ...
journal
10.1145/2661229.2661280
null
null
10.1145/2661229.2661272
TrackCam: 3D-aware tracking shots from consumer video
https://doi.org/10.1145/2661229.2661272
[ "Shuaicheng Liu", "Jue Wang", "Sunghyun Cho", "Ping Tan" ]
Panning and tracking shots are popular photography techniques in which the camera tracks a moving object and keeps it at the same position, resulting in an image where the moving foreground is sharp but the background is blurred accordingly, creating an artistic illustration of the foreground motion. Such shots however...
journal
10.1145/2661229.2661272
null
null
10.1145/2661229.2661254
Capturing braided hairstyles
https://doi.org/10.1145/2661229.2661254
[ "Liwen Hu", "Chongyang Ma", "Linjie Luo", "Li-Yi Wei", "Hao Li" ]
From fishtail to princess braids, these intricately woven structures define an important and popular class of hairstyle, frequently used for digital characters in computer graphics. In addition to the challenges created by the infinite range of styles, existing modeling and capture techniques are particularly constrain...
journal
10.1145/2661229.2661254
null
null
10.1145/2661229.2661266
Assembling self-supporting structures
https://doi.org/10.1145/2661229.2661266
[ "Mario Deuss", "Daniele Panozzo", "Emily Whiting", "Yang Liu", "Philippe Block", "Olga Sorkine-Hornung", "Mark Pauly" ]
Self-supporting structures are prominent in historical and contemporary architecture due to advantageous structural properties and efficient use of material. Computer graphics research has recently contributed new design tools that allow creating and interactively exploring self-supporting freeform designs. However, th...
journal
10.1145/2661229.2661266
null
null
10.1145/2661229.2661261
A PPPM fast summation method for fluids and beyond
https://doi.org/10.1145/2661229.2661261
[ "Xinxin Zhang", "Robert Bridson" ]
Solving the N -body problem, i.e. the Poisson problem with point sources, is a common task in graphics and simulation. The naive direct summation of the kernel function over all particles scales quadratically, rendering it too slow for large problems, while the optimal Fast Multipole Method has drastic implementation c...
journal
10.1145/2661229.2661261
null
null
10.1145/2661229.2661279
Yarn-level simulation of woven cloth
https://doi.org/10.1145/2661229.2661279
[ "Gabriel Cirio", "Jorge Lopez-Moreno", "David Miraut", "Miguel A. Otaduy" ]
The large-scale mechanical behavior of woven cloth is determined by the mechanical properties of the yarns, the weave pattern, and frictional contact between yarns. Using standard simulation methods for elastic rod models and yarn-yarn contact handling, the simulation of woven garments at realistic yarn densities is de...
journal
10.1145/2661229.2661279
null
null
10.1145/2661229.2661282
AppIm: linear spaces for image-based appearance editing
https://doi.org/10.1145/2661229.2661282
[ "Francesco Di Renzo", "Claudio Calabrese", "Fabio Pellacini" ]
Editing spatially-varying appearance is commonplace in most graphics applications. In this paper, we focus on materials whose appearance is described by BRDFs or BSSRDFs, with parameters specified by textures, and with local frame perturbations, namely bump, normal and tangent maps. Editing these materials amounts to e...
journal
10.1145/2661229.2661282
null
null
10.1145/2661229.2661247
Autocomplete painting repetitions
https://doi.org/10.1145/2661229.2661247
[ "Jun Xing", "Hsiang-Ting Chen", "Li-Yi Wei" ]
Painting is a major form of content creation, offering unlimited control and freedom of expression. However, it can involve tedious manual repetitions, such as stippling large regions or hatching complex contours. Thus, a central goal in digital painting research is to automate tedious repetitions while allowing user c...
journal
10.1145/2661229.2661247
null
null
10.1145/2661229.2661290
Automatic acquisition of high-fidelity facial performances using monocular videos
https://doi.org/10.1145/2661229.2661290
[ "Fuhao Shi", "Hsiang-Tao Wu", "Xin Tong", "Jinxiang Chai" ]
This paper presents a facial performance capture system that automatically captures high-fidelity facial performances using uncontrolled monocular videos ( e.g ., Internet videos). We start the process by detecting and tracking important facial features such as the nose tip and mouth corners across the entire sequence ...
journal
10.1145/2661229.2661290
null
null
10.1145/2661229.2661289
Creating works-like prototypes of mechanical objects
https://doi.org/10.1145/2661229.2661289
[ "Bongjin Koo", "Wilmot Li", "JiaXian Yao", "Maneesh Agrawala", "Niloy J. Mitra" ]
Designers often create physical works-like prototypes early in the product development cycle to explore possible mechanical architectures for a design. Yet, creating functional prototypes requires time and expertise, which discourages rapid design iterations. Designers must carefully specify part and joint parameters t...
journal
10.1145/2661229.2661289
null
null
10.1145/2661229.2661244
Approximate pyramidal shape decomposition
https://doi.org/10.1145/2661229.2661244
[ "Ruizhen Hu", "Honghua Li", "Hao Zhang", "Daniel Cohen-Or" ]
A shape is pyramidal if it has a flat base with the remaining boundary forming a height function over the base. Pyramidal shapes are optimal for molding, casting, and layered 3D printing. However, many common objects are not pyramidal. We introduce an algorithm for approximate pyramidal shape decomposition . The genera...
journal
10.1145/2661229.2661244
null
null
10.1145/2661229.2661240
Level-of-detail quad meshing
https://doi.org/10.1145/2661229.2661240
[ "Hans-Christian Ebke", "Marcel Campen", "David Bommes", "Leif Kobbelt" ]
The most effective and popular tools for obtaining feature aligned quad meshes from triangular input meshes are based on cross field guided parametrization. These methods are incarnations of a conceptual three-step pipeline: (1) cross field computation, (2) field-guided surface parametrization, (3) quad mesh extraction...
journal
10.1145/2661229.2661240
null
null
10.1145/2661229.2661234
Co-constrained handles for deformation in shape collections
https://doi.org/10.1145/2661229.2661234
[ "Mehmet Ersin Yumer", "Levent Burak Kara" ]
We present a method for learning custom deformation handles for an object, from a co-analysis of similar objects. Our approach identifies the geometric and spatial constraints among the different parts of an object, and makes this information available through abstract shape handles. These handles allow the user to pre...
journal
10.1145/2661229.2661234
null
null
10.1145/2661229.2661251
A framework for transient rendering
https://doi.org/10.1145/2661229.2661251
[ "Adrian Jarabo", "Julio Marco", "Adolfo Muñoz", "Raul Buisan", "Wojciech Jarosz", "Diego Gutierrez" ]
Recent advances in ultra-fast imaging have triggered many promising applications in graphics and vision, such as capturing transparent objects, estimating hidden geometry and materials, or visualizing light in motion. There is, however, very little work regarding the effective simulation and analysis of transient light...
journal
10.1145/2661229.2661251
null
null
10.1145/2661229.2661264
Robust iso-surface tracking for interactive character skinning
https://doi.org/10.1145/2661229.2661264
[ "Rodolphe Vaillant", "Gäel Guennebaud", "Loïc Barthe", "Brian Wyvill", "Marie-Paule Cani" ]
We present a novel approach to interactive character skinning, which is robust to extreme character movements, handles skin contacts and produces the effect of skin elasticity (sliding). Our approach builds on the idea of implicit skinning in which the character is approximated by a 3D scalar field and mesh-vertices ar...
journal
10.1145/2661229.2661264
null
null
10.1145/2661229.2661238
Topology-constrained synthesis of vector patterns
https://doi.org/10.1145/2661229.2661238
[ "Shizhe Zhou", "Changyun Jiang", "Sylvain Lefebvre" ]
Decorative patterns are observed in many forms of art, typically enriching the visual aspect of otherwise simple shapes. Such patterns are especially difficult to create, as they often exhibit intricate structural details and at the same time have to precisely match the size and shape of the underlying geometry. In the...
journal
10.1145/2661229.2661238
null
null
10.1145/2661229.2661275
Hierarchical diffusion curves for accurate automatic image vectorization
https://doi.org/10.1145/2661229.2661275
[ "Guofu Xie", "Xin Sun", "Xin Tong", "Derek Nowrouzezahrai" ]
Diffusion curve primitives are a compact and powerful representation for vector images. While several vector image authoring tools leverage these representations, automatically and accurately vectorizing arbitrary raster images using diffusion curves remains a difficult problem. We automatically generate sparse diffusi...
journal
10.1145/2661229.2661275
null
null
10.1145/2661229.2661267
Appearance-mimicking surfaces
https://doi.org/10.1145/2661229.2661267
[ "Christian Schüller", "Daniele Panozzo", "Olga Sorkine-Hornung" ]
We consider the problem of reproducing the look and the details of a 3D object on a surface that is confined to a given volume. Classic examples of such "appearance-mimicking" surfaces are bas-reliefs: decorations and artwork depicting recognizable 3D scenes using only a thin volumetric space. The design of bas-reliefs...
journal
10.1145/2661229.2661267
null
null
10.1145/2661229.2661235
Anisotropic simplicial meshing using local convex functions
https://doi.org/10.1145/2661229.2661235
[ "Xiao-Ming Fu", "Yang Liu", "John Snyder", "Baining Guo" ]
We present a novel method to generate high-quality simplicial meshes with specified anisotropy. Given a surface or volumetric domain equipped with a Riemannian metric that encodes the desired anisotropy, we transform the problem to one of functional approximation. We construct a convex function over each mesh simplex w...
journal
10.1145/2661229.2661235
null
null
10.1145/2661229.2661278
BiggerPicture: data-driven image extrapolation using graph matching
https://doi.org/10.1145/2661229.2661278
[ "Miao Wang", "Yu-Kun Lai", "Yuan Liang", "Ralph R. Martin", "Shi-Min Hu" ]
Filling a small hole in an image with plausible content is well studied. Extrapolating an image to give a distinctly larger one is much more challenging---a significant amount of additional content is needed which matches the original image, especially near its boundaries. We propose a data-driven approach to this prob...
journal
10.1145/2661229.2661278
null
null
10.1145/2661229.2661276
Automatic shader simplification using surface signal approximation
https://doi.org/10.1145/2661229.2661276
[ "Rui Wang", "Xianjin Yang", "Yazhen Yuan", "Wei Chen", "Kavita Bala", "Hujun Bao" ]
In this paper, we present a new automatic shader simplification method using surface signal approximation. We regard the entire multi-stage rendering pipeline as a process that generates signals on surfaces, and we formulate the simplification of the fragment shader as a global simplification problem across multi-shade...
journal
10.1145/2661229.2661276
null
null
10.1145/2661229.2661256
ConstructAide: analyzing and visualizing construction sites through photographs and building models
https://doi.org/10.1145/2661229.2661256
[ "Kevin Karsch", "Mani Golparvar-Fard", "David Forsyth" ]
We describe a set of tools for analyzing, visualizing, and assessing architectural/construction progress with unordered photo collections and 3D building models. With our interface, a user guides the registration of the model in one of the images, and our system automatically computes the alignment for the rest of the ...
journal
10.1145/2661229.2661256
1912.11567
title_snapshot
10.1145/2661229.2661258
Strict minimizers for geometric optimization
https://doi.org/10.1145/2661229.2661258
[ "Zohar Levi", "Denis Zorin" ]
We introduce the idea of strict minimizers for geometric distortion measures used in shape interpolation, deformation, parametrization, and other applications involving geometric mappings. The L ∞ -norm ensures the tightest possible control on the worst-case distortion. Unfortunately, it does not yield a unique solutio...
journal
10.1145/2661229.2661258
null
null
10.1145/2661229.2661245
Deep shading buffers on commodity GPUs
https://doi.org/10.1145/2661229.2661245
[ "Petrik Clarberg", "Jacob Munkberg" ]
Real-time rendering with true motion and defocus blur remains an elusive goal for application developers. In recent years, substantial progress has been made in the areas of rasterization, shading, and reconstruction for stochastic rendering. However, we have yet to see an efficient method for decoupled sampling that c...
journal
10.1145/2661229.2661245
null
null
10.1145/2661229.2661232
Real-time shading-based refinement for consumer depth cameras
https://doi.org/10.1145/2661229.2661232
[ "Chenglei Wu", "Michael Zollhöfer", "Matthias Nießner", "Marc Stamminger", "Shahram Izadi", "Christian Theobalt" ]
We present the first real-time method for refinement of depth data using shape-from-shading in general uncontrolled scenes. Per frame, our real-time algorithm takes raw noisy depth data and an aligned RGB image as input, and approximates the time-varying incident lighting, which is then used for geometry refinement. Th...
journal
10.1145/2661229.2661232
null
null
10.1145/2661229.2661274
Massively-parallel vector graphics
https://doi.org/10.1145/2661229.2661274
[ "Francisco Ganacim", "Rodolfo S. Lima", "Luiz Henrique de Figueiredo", "Diego Nehab" ]
We present a massively parallel vector graphics rendering pipeline that is divided into two components. The preprocessing component builds a novel adaptive acceleration data structure, the shortcut tree . Tree construction is efficient and parallel at the segment level, enabling dynamic vector graphics. The tree allows...
journal
10.1145/2661229.2661274
null
null
10.1145/2661229.2661233
Locomotion control for many-muscle humanoids
https://doi.org/10.1145/2661229.2661233
[ "Yoonsang Lee", "Moon Seok Park", "Taesoo Kwon", "Jehee Lee" ]
We present a biped locomotion controller for humanoid models actuated by more than a hundred Hill-type muscles. The key component of the controller is our novel algorithm that can cope with step-based biped locomotion balancing and the coordination of many nonlinear Hill-type muscles simultaneously. Minimum effort musc...
journal
10.1145/2661229.2661233
null
null
10.1145/2661229.2661277
Fast burst images denoising
https://doi.org/10.1145/2661229.2661277
[ "Ziwei Liu", "Lu Yuan", "Xiaoou Tang", "Matt Uyttendaele", "Jian Sun" ]
This paper presents a fast denoising method that produces a clean image from a burst of noisy images. We accelerate alignment of the images by introducing a lightweight camera motion representation called homography flow . The aligned images are then fused to create a denoised output with rapid per-pixel operations in ...
journal
10.1145/2661229.2661277
null
null
10.1145/2661229.2661231
Sketch classification and classification-driven analysis using Fisher vectors
https://doi.org/10.1145/2661229.2661231
[ "Rosália G. Schneider", "Tinne Tuytelaars" ]
We introduce an approach for sketch classification based on Fisher vectors that significantly outperforms existing techniques. For the TU-Berlin sketch benchmark [Eitz et al. 2012a], our recognition rate is close to human performance on the same task. Motivated by these results, we propose a different benchmark for the...
journal
10.1145/2661229.2661231
null
null
10.1145/2661229.2661292
Residual ratio tracking for estimating attenuation in participating media
https://doi.org/10.1145/2661229.2661292
[ "Jan Novák", "Andrew Selle", "Wojciech Jarosz" ]
Evaluating transmittance within participating media is a fundamental operation required by many light transport algorithms. We present ratio tracking and residual tracking , two complementary techniques that can be combined into an efficient, unbiased estimator for evaluating transmittance in complex heterogeneous medi...
journal
10.1145/2661229.2661292
null
null
10.1145/2661229.2661252
Windy trees: computing stress response for developmental tree models
https://doi.org/10.1145/2661229.2661252
[ "Sören Pirk", "Till Niese", "Torsten Hädrich", "Bedrich Benes", "Oliver Deussen" ]
We present a novel method for combining developmental tree models with turbulent wind fields. The tree geometry is created from internal growth functions of the developmental model and its response to external stress is induced by a physically-plausible wind field that is simulated by Smoothed Particle Hydrodynamics (S...
journal
10.1145/2661229.2661252
null
null
10.1145/2661229.2661285
High-quality capture of eyes
https://doi.org/10.1145/2661229.2661285
[ "Pascal Bérard", "Derek Bradley", "Maurizio Nitti", "Thabo Beeler", "Markus Gross" ]
Even though the human eye is one of the central features of individual appearance, its shape has so far been mostly approximated in our community with gross simplifications. In this paper we demonstrate that there is a lot of individuality to every eye, a fact that common practices for 3D eye generation do not consider...
journal
10.1145/2661229.2661285
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null
10.1145/2661229.2661287
Mirror mirror: crowdsourcing better portraits
https://doi.org/10.1145/2661229.2661287
[ "Jun-Yan Zhu", "Aseem Agarwala", "Alexei A. Efros", "Eli Shechtman", "Jue Wang" ]
We describe a method for providing feedback on portrait expressions, and for selecting the most attractive expressions from large video/photo collections. We capture a video of a subject's face while they are engaged in a task designed to elicit a range of positive emotions. We then use crowdsourcing to score the captu...
journal
10.1145/2661229.2661287
null
null
10.1145/2661229.2661236
Dual strip weaving: interactive design of quad layouts using elastica strips
https://doi.org/10.1145/2661229.2661236
[ "Marcel Campen", "Leif Kobbelt" ]
We introduce Dual Strip Weaving , a novel concept for the interactive design of quad layouts, i.e. partitionings of freeform surfaces into quadrilateral patch networks. In contrast to established tools for the design of quad layouts or subdivision base meshes, which are often based on creating individual vertices, edge...
journal
10.1145/2661229.2661236
null
null
10.1145/2661229.2661263
Robust surface reconstruction via dictionary learning
https://doi.org/10.1145/2661229.2661263
[ "Shiyao Xiong", "Juyong Zhang", "Jianmin Zheng", "Jianfei Cai", "Ligang Liu" ]
Surface reconstruction from point cloud is of great practical importance in computer graphics. Existing methods often realize reconstruction via a few phases with respective goals, whose integration may not give an optimal solution. In this paper, to avoid the inherent limitations of multi-phase processing in the prior...
journal
10.1145/2661229.2661263
null
null
10.1145/2661229.2661230
SceneGrok: inferring action maps in 3D environments
https://doi.org/10.1145/2661229.2661230
[ "Manolis Savva", "Angel X. Chang", "Pat Hanrahan", "Matthew Fisher", "Matthias Nießner" ]
With modern computer graphics, we can generate enormous amounts of 3D scene data. It is now possible to capture high-quality 3D representations of large real-world environments. Large shape and scene databases, such as the Trimble 3D Warehouse, are publicly accessible and constantly growing. Unfortunately, while a grea...
journal
10.1145/2661229.2661230
null
null
10.1145/2661229.2661291
Improved sampling for gradient-domain metropolis light transport
https://doi.org/10.1145/2661229.2661291
[ "Marco Manzi", "Fabrice Rousselle", "Markus Kettunen", "Jaakko Lehtinen", "Matthias Zwicker" ]
We present a generalized framework for gradient-domain Metropolis rendering, and introduce three techniques to reduce sampling artifacts and variance. The first one is a heuristic weighting strategy that combines several sampling techniques to avoid outliers. The second one is an improved mapping to generate offset pat...
journal
10.1145/2661229.2661291
null
null
10.1145/2661229.2661288
Imagining the unseen: stability-based cuboid arrangements for scene understanding
https://doi.org/10.1145/2661229.2661288
[ "Tianjia Shao", "Aron Monszpart", "Youyi Zheng", "Bongjin Koo", "Weiwei Xu", "Kun Zhou", "Niloy J. Mitra" ]
Missing data due to occlusion is a key challenge in 3D acquisition, particularly in cluttered man-made scenes. Such partial information about the scenes limits our ability to analyze and understand them. In this work we abstract such environments as collections of cuboids and hallucinate geometry in the occluded region...
journal
10.1145/2661229.2661288
null
null
10.1145/2661229.2661281
Slippage-free background replacement for hand-held video
https://doi.org/10.1145/2661229.2661281
[ "Fan Zhong", "Song Yang", "Xueying Qin", "Dani Lischinski", "Daniel Cohen-Or", "Baoquan Chen" ]
We introduce a method for replacing the background in a video of a moving foreground subject, when both the source video capturing the subject, and the target video capturing the new background scene, are natural videos, casually captured using a freely moving hand-held camera. We assume that the foreground subject has...
journal
10.1145/2661229.2661281
null
null
10.1145/2661229.2661255
Local barycentric coordinates
https://doi.org/10.1145/2661229.2661255
[ "Juyong Zhang", "Bailin Deng", "Zishun Liu", "Giuseppe Patanè", "Sofien Bouaziz", "Kai Hormann", "Ligang Liu" ]
Barycentric coordinates yield a powerful and yet simple paradigm to interpolate data values on polyhedral domains. They represent interior points of the domain as an affine combination of a set of control points, defining an interpolation scheme for any function defined on a set of control points. Numerous barycentric ...
journal
10.1145/2661229.2661255
null
null
10.1145/2661229.2661246
Toward BxDF display using multilayer diffraction
https://doi.org/10.1145/2661229.2661246
[ "Genzhi Ye", "Sundeep Jolly", "V. Michael Bove", "Qionghai Dai", "Ramesh Raskar", "Gordon Wetzstein" ]
With a wide range of applications in product design and optical watermarking, computational BxDF display has become an emerging trend in the graphics community. In this paper, we analyze the design space of BxDF displays and show that existing approaches cannot reproduce arbitrary BxDFs. In particular, existing surface...
journal
10.1145/2661229.2661246
null
null
10.1145/2661229.2661237
Fast and exact continuous collision detection with Bernstein sign classification
https://doi.org/10.1145/2661229.2661237
[ "Min Tang", "Ruofeng Tong", "Zhendong Wang", "Dinesh Manocha" ]
We present fast algorithms to perform accurate CCD queries between triangulated models. Our formulation uses properties of the Bernstein basis and Bézier curves and reduces the problem to evaluating signs of polynomials. We present a geometrically exact CCD algorithm based on the exact geometric computation paradigm to...
journal
10.1145/2661229.2661237
null
null
10.1145/2661229.2661250
Whippletree: task-based scheduling of dynamic workloads on the GPU
https://doi.org/10.1145/2661229.2661250
[ "Markus Steinberger", "Michael Kenzel", "Pedro Boechat", "Bernhard Kerbl", "Mark Dokter", "Dieter Schmalstieg" ]
In this paper, we present Whippletree, a novel approach to scheduling dynamic, irregular workloads on the GPU. We introduce a new programming model which offers the simplicity and expressiveness of task-based parallelism while retaining all aspects of the multi-level execution hierarchy essential to unlocking the full ...
journal
10.1145/2661229.2661250
null
null
10.1145/2661229.2661253
Interactive intrinsic video editing
https://doi.org/10.1145/2661229.2661253
[ "Nicolas Bonneel", "Kalyan Sunkavalli", "James Tompkin", "Deqing Sun", "Sylvain Paris", "Hanspeter Pfister" ]
Separating a photograph into its reflectance and illumination intrinsic images is a fundamentally ambiguous problem, and state-of-the-art algorithms combine sophisticated reflectance and illumination priors with user annotations to create plausible results. However, these algorithms cannot be easily extended to videos ...
journal
10.1145/2661229.2661253
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