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541k
2208.03471
Oversquashing in GNNs through the lens of information contraction and graph expansion
The quality of signal propagation in message-passing graph neural networks (GNNs) strongly influences their expressivity as has been observed in recent works. In particular, for prediction tasks relying on long-range interactions, recursive aggregation of node features can lead to an undesired phenomenon called "oversq...
false
false
false
false
false
false
true
false
false
true
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false
false
false
311,793
2409.07236
3DGCQA: A Quality Assessment Database for 3D AI-Generated Contents
Although 3D generated content (3DGC) offers advantages in reducing production costs and accelerating design timelines, its quality often falls short when compared to 3D professionally generated content. Common quality issues frequently affect 3DGC, highlighting the importance of timely and effective quality assessment....
false
false
false
false
false
false
false
false
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487,436
2009.12604
Graph neural induction of value iteration
Many reinforcement learning tasks can benefit from explicit planning based on an internal model of the environment. Previously, such planning components have been incorporated through a neural network that partially aligns with the computational graph of value iteration. Such network have so far been focused on restric...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
197,478
2104.06510
Robotic needle steering in deformable tissues with extreme learning machines
Control strategies for robotic needle steering in soft tissues must account for complex interactions between the needle and the tissue to achieve accurate needle tip positioning. Recent findings show faster robotic command rate can improve the control stability in realistic scenarios. This study proposes the use of Ext...
false
false
false
false
true
false
false
true
false
false
false
false
false
false
false
true
false
false
230,097
1710.06611
On community structure validation in real networks
Community structure is a commonly observed feature of real networks. The term refers to the presence in a network of groups of nodes (communities) that feature high internal connectivity, but are poorly connected between each other. Whereas the issue of community detection has been addressed in several works, the probl...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
82,806
2311.17504
PViT-6D: Overclocking Vision Transformers for 6D Pose Estimation with Confidence-Level Prediction and Pose Tokens
In the current state of 6D pose estimation, top-performing techniques depend on complex intermediate correspondences, specialized architectures, and non-end-to-end algorithms. In contrast, our research reframes the problem as a straightforward regression task by exploring the capabilities of Vision Transformers for dir...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
411,324
2211.15453
An Alphabet of Leakage Measures
We introduce a family of information leakage measures called maximal $\alpha,\beta$-leakage, parameterized by real numbers $\alpha$ and $\beta$. The measure is formalized via an operational definition involving an adversary guessing an unknown function of the data given the released data. We obtain a simple, computable...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
333,272
2105.14564
Evaluating Resilience of Encrypted Traffic Classification Against Adversarial Evasion Attacks
Machine learning and deep learning algorithms can be used to classify encrypted Internet traffic. Classification of encrypted traffic can become more challenging in the presence of adversarial attacks that target the learning algorithms. In this paper, we focus on investigating the effectiveness of different evasion at...
false
false
false
false
true
false
false
false
false
false
false
false
true
false
false
false
false
false
237,723
2306.15489
Precursor-of-Anomaly Detection for Irregular Time Series
Anomaly detection is an important field that aims to identify unexpected patterns or data points, and it is closely related to many real-world problems, particularly to applications in finance, manufacturing, cyber security, and so on. While anomaly detection has been studied extensively in various fields, detecting fu...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
376,036
2102.10440
Interventional Sum-Product Networks: Causal Inference with Tractable Probabilistic Models
While probabilistic models are an important tool for studying causality, doing so suffers from the intractability of inference. As a step towards tractable causal models, we consider the problem of learning interventional distributions using sum-product networks (SPNs) that are over-parameterized by gate functions, e.g...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
221,094
2404.10769
Finite-dimensional approximations of push-forwards on locally analytic functionals
This paper introduces a novel theoretical framework for investigating analytic maps from finite discrete data. Our approach is to consider the push-forward on the space of locally analytic functionals, instead of directly handling the analytic map itself. We establish a methodology enabling appropriate finite-dimension...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
447,244
2407.04249
FeatureSORT: Essential Features for Effective Tracking
In this work, we introduce a novel tracker designed for online multiple object tracking with a focus on being simple, while being effective. we provide multiple feature modules each of which stands for a particular appearance information. By integrating distinct appearance features, including clothing color, style, and...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
470,489
1803.01575
A Comparative Study of Pairwise Learning Methods based on Kernel Ridge Regression
Many machine learning problems can be formulated as predicting labels for a pair of objects. Problems of that kind are often referred to as pairwise learning, dyadic prediction or network inference problems. During the last decade kernel methods have played a dominant role in pairwise learning. They still obtain a stat...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
91,911
cs/0612123
Electronic Laboratory Notebook Assisting Reflectance Spectrometry in Legal Medicine
Reflectance spectrometry is a fast and reliable method for the characterisation of human skin if the spectra are analysed with respect to a physical model describing the optical properties of human skin. For a field study performed at the Institute of Legal Medicine and the Freiburg Materials Research Center of the Uni...
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
true
539,993
2305.16043
Ordered and Binary Speaker Embedding
Modern speaker recognition systems represent utterances by embedding vectors. Conventional embedding vectors are dense and non-structural. In this paper, we propose an ordered binary embedding approach that sorts the dimensions of the embedding vector via a nested dropout and converts the sorted vectors to binary codes...
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
367,894
1712.01572
Eigendecompositions of Transfer Operators in Reproducing Kernel Hilbert Spaces
Transfer operators such as the Perron--Frobenius or Koopman operator play an important role in the global analysis of complex dynamical systems. The eigenfunctions of these operators can be used to detect metastable sets, to project the dynamics onto the dominant slow processes, or to separate superimposed signals. We ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
86,124
1704.02128
Modeling and Analysis of HetNets with mm-Wave Multi-RAT Small Cells Deployed Along Roads
We characterize a multi tier network with classical macro cells, and multi radio access technology (RAT) small cells, which are able to operate in microwave and millimeter-wave (mm-wave) bands. The small cells are assumed to be deployed along roads modeled as a Poisson line process. This characterization is more realis...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
71,386
2305.13607
Not All Image Regions Matter: Masked Vector Quantization for Autoregressive Image Generation
Existing autoregressive models follow the two-stage generation paradigm that first learns a codebook in the latent space for image reconstruction and then completes the image generation autoregressively based on the learned codebook. However, existing codebook learning simply models all local region information of imag...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
366,577
1807.09574
Redundancy Coefficient Gradual Up-weighting-based Mutual Information Feature Selection Technique for Crypto-ransomware Early Detection
Crypto-ransomware is characterized by its irreversible effect even after the detection and removal. As such, the early detection is crucial to protect user data and files of being held to ransom. Several solutions have proposed utilizing the data extracted during the initial phases of the attacks before the encryption ...
false
false
false
false
false
false
true
false
false
true
false
false
true
false
false
false
false
false
103,751
2010.04425
WHO 2016 subtyping and automated segmentation of glioma using multi-task deep learning
Accurate characterization of glioma is crucial for clinical decision making. A delineation of the tumor is also desirable in the initial decision stages but is a time-consuming task. Leveraging the latest GPU capabilities, we developed a single multi-task convolutional neural network that uses the full 3D, structural, ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
199,737
1206.0111
OpenGM: A C++ Library for Discrete Graphical Models
OpenGM is a C++ template library for defining discrete graphical models and performing inference on these models, using a wide range of state-of-the-art algorithms. No restrictions are imposed on the factor graph to allow for higher-order factors and arbitrary neighborhood structures. Large models with repetitive struc...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
true
16,279
1811.08047
Optimizing System Quality of Service through Rejuvenation for Long-Running Applications with Real-Time Constraints
Reliability, longevity, availability, and deadline guarantees are the four most important metrics to measure the QoS of long-running safety-critical real-time applications. Software aging is one of the major factors that impact the safety of long-running real-time applications as the degraded performance and increased ...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
true
113,936
2006.08539
Deep Layer-wise Networks Have Closed-Form Weights
There is currently a debate within the neuroscience community over the likelihood of the brain performing backpropagation (BP). To better mimic the brain, training a network $\textit{one layer at a time}$ with only a "single forward pass" has been proposed as an alternative to bypass BP; we refer to these networks as "...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
182,220
2207.05836
Contextual Bandits with Large Action Spaces: Made Practical
A central problem in sequential decision making is to develop algorithms that are practical and computationally efficient, yet support the use of flexible, general-purpose models. Focusing on the contextual bandit problem, recent progress provides provably efficient algorithms with strong empirical performance when the...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
307,680
2501.08086
NOMTO: Neural Operator-based symbolic Model approximaTion and discOvery
While many physical and engineering processes are most effectively described by non-linear symbolic models, existing non-linear symbolic regression (SR) methods are restricted to a limited set of continuous algebraic functions, thereby limiting their applicability to discover higher order non-linear differential relati...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
true
524,624
1803.06602
Two new classes of quantum MDS codes
Let $p$ be a prime and let $q$ be a power of $p$. In this paper, by using generalized Reed-Solomon (GRS for short) codes and extended GRS codes, we construct two new classes of quantum maximum-distance- separable (MDS) codes with parameters \[ [[tq, tq-2d+2, d]]_{q} \] for any $1 \leq t \leq q, 2 \leq d \leq \lfloor \f...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
92,876
2202.09036
Adaptive Experimentation in the Presence of Exogenous Nonstationary Variation
We investigate experiments that are designed to select a treatment arm for population deployment. Multi-armed bandit algorithms can enhance efficiency by dynamically allocating measurement effort towards higher performing arms based on observed feedback. However, such dynamics can result in brittle behavior in the face...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
281,075
2011.01819
Learning Representations from Audio-Visual Spatial Alignment
We introduce a novel self-supervised pretext task for learning representations from audio-visual content. Prior work on audio-visual representation learning leverages correspondences at the video level. Approaches based on audio-visual correspondence (AVC) predict whether audio and video clips originate from the same o...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
204,720
2409.15905
Boosting Code-Switching ASR with Mixture of Experts Enhanced Speech-Conditioned LLM
In this paper, we introduce a speech-conditioned Large Language Model (LLM) integrated with a Mixture of Experts (MoE) based connector to address the challenge of Code-Switching (CS) in Automatic Speech Recognition (ASR). Specifically, we propose an Insertion and Deletion of Interruption Token (IDIT) mechanism for bett...
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
491,121
2112.12641
Prolog-based agnostic explanation module for structured pattern classification
This paper presents a Prolog-based reasoning module to generate counterfactual explanations given the predictions computed by a black-box classifier. The proposed symbolic reasoning module can also resolve what-if queries using the ground-truth labels instead of the predicted ones. Overall, our approach comprises four ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
273,022
2112.15530
Scalable Deep Graph Clustering with Random-walk based Self-supervised Learning
Web-based interactions can be frequently represented by an attributed graph, and node clustering in such graphs has received much attention lately. Multiple efforts have successfully applied Graph Convolutional Networks (GCN), though with some limits on accuracy as GCNs have been shown to suffer from over-smoothing iss...
false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
false
false
false
273,813
2203.00452
Long-Tailed Classification with Gradual Balanced Loss and Adaptive Feature Generation
The real-world data distribution is essentially long-tailed, which poses great challenge to the deep model. In this work, we propose a new method, Gradual Balanced Loss and Adaptive Feature Generator (GLAG) to alleviate imbalance. GLAG first learns a balanced and robust feature model with Gradual Balanced Loss, then fi...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
283,006
2011.10741
A Trace-restricted Kronecker-Factored Approximation to Natural Gradient
Second-order optimization methods have the ability to accelerate convergence by modifying the gradient through the curvature matrix. There have been many attempts to use second-order optimization methods for training deep neural networks. Inspired by diagonal approximations and factored approximations such as Kronecker...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
207,609
2105.03598
Pure Exploration Bandit Problem with General Reward Functions Depending on Full Distributions
In this paper, we study the pure exploration bandit model on general distribution functions, which means that the reward function of each arm depends on the whole distribution, not only its mean. We adapt the racing framework and LUCB framework to solve this problem, and design algorithms for estimating the value of th...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
234,196
2009.02119
Speech Gesture Generation from the Trimodal Context of Text, Audio, and Speaker Identity
For human-like agents, including virtual avatars and social robots, making proper gestures while speaking is crucial in human--agent interaction. Co-speech gestures enhance interaction experiences and make the agents look alive. However, it is difficult to generate human-like gestures due to the lack of understanding o...
true
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
194,472
2309.03100
FArMARe: a Furniture-Aware Multi-task methodology for Recommending Apartments based on the user interests
Nowadays, many people frequently have to search for new accommodation options. Searching for a suitable apartment is a time-consuming process, especially because visiting them is often mandatory to assess the truthfulness of the advertisements found on the Web. While this process could be alleviated by visiting the apa...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
390,270
2209.11379
Do Current Multi-Task Optimization Methods in Deep Learning Even Help?
Recent research has proposed a series of specialized optimization algorithms for deep multi-task models. It is often claimed that these multi-task optimization (MTO) methods yield solutions that are superior to the ones found by simply optimizing a weighted average of the task losses. In this paper, we perform large-sc...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
319,165
1109.2156
Approximate Policy Iteration with a Policy Language Bias: Solving Relational Markov Decision Processes
We study an approach to policy selection for large relational Markov Decision Processes (MDPs). We consider a variant of approximate policy iteration (API) that replaces the usual value-function learning step with a learning step in policy space. This is advantageous in domains where good policies are easier to represe...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
12,100
1901.10615
Data Consistency in Transactional Storage Systems: a Centralised Approach
We introduce an interleaving operational semantics for describing the client-observable behaviour of atomic transactions on distributed key-value stores. Our semantics builds on abstract states comprising centralised, global key-value stores and partial client views. We provide operational definitions of consistency mo...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
true
120,062
2212.02886
GAS-NeXt: Few-Shot Cross-Lingual Font Generator
Generating new fonts is a time-consuming and labor-intensive task, especially in a language with a huge amount of characters like Chinese. Various deep learning models have demonstrated the ability to efficiently generate new fonts with a few reference characters of that style, but few models support cross-lingual font...
false
false
false
false
true
false
true
false
false
false
false
true
false
false
false
false
false
false
334,923
2404.00686
Utilizing Maximum Mean Discrepancy Barycenter for Propagating the Uncertainty of Value Functions in Reinforcement Learning
Accounting for the uncertainty of value functions boosts exploration in Reinforcement Learning (RL). Our work introduces Maximum Mean Discrepancy Q-Learning (MMD-QL) to improve Wasserstein Q-Learning (WQL) for uncertainty propagation during Temporal Difference (TD) updates. MMD-QL uses the MMD barycenter for this purpo...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
443,066
cmp-lg/9408013
Training and Scaling Preference Functions for Disambiguation
We present an automatic method for weighting the contributions of preference functions used in disambiguation. Initial scaling factors are derived as the solution to a least-squares minimization problem, and improvements are then made by hill-climbing. The method is applied to disambiguating sentences in the ATIS (Air ...
false
false
false
false
false
false
false
false
true
false
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false
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false
false
536,162
2409.00347
Chatting Up Attachment: Using LLMs to Predict Adult Bonds
Obtaining data in the medical field is challenging, making the adoption of AI technology within the space slow and high-risk. We evaluate whether we can overcome this obstacle with synthetic data generated by large language models (LLMs). In particular, we use GPT-4 and Claude 3 Opus to create agents that simulate adul...
false
false
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
484,895
1912.04549
Expansion of Cyber Attack Data From Unbalanced Datasets Using Generative Techniques
Machine learning techniques help to understand patterns of a dataset to create a defense mechanism against cyber attacks. However, it is difficult to construct a theoretical model due to the imbalances in the dataset for discriminating attacks from the overall dataset. Multilayer Perceptron (MLP) technique will provide...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
156,877
2210.11747
A Finite Blocklength Approach for Wireless Hierarchical Federated Learning in the Presence of Physical Layer Security
In this paper, the wireless hierarchical federated learning (HFL) is revisited by considering physical layer security (PLS). First, we establish a framework for this new problem. Then, we propose a practical finite blocklength (FBL) coding scheme for the wireless HFL in the presence of PLS, which is self-secure when th...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
325,437
2501.04561
OpenOmni: Large Language Models Pivot Zero-shot Omnimodal Alignment across Language with Real-time Self-Aware Emotional Speech Synthesis
Recent advancements in omnimodal learning have been achieved in understanding and generation across images, text, and speech, though mainly within proprietary models. Limited omnimodal datasets and the inherent challenges associated with real-time emotional speech generation have hindered open-source progress. To addre...
false
false
false
false
false
false
false
false
true
false
false
true
false
false
false
false
false
false
523,260
2309.07422
Grid-Aware On-Route Fast-Charging Infrastructure Planning for Battery Electric Bus with Equity Considerations: A Case Study in South King County
The transition from traditional bus fleets to zero-emission ones necessitates the development of effective planning models for battery electric bus (BEB) charging infrastructure. On-route fast charging stations, distinct from on-base charging stations, present unique challenges related to safe operation and power suppl...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
391,775
2112.05131
Plenoxels: Radiance Fields without Neural Networks
We introduce Plenoxels (plenoptic voxels), a system for photorealistic view synthesis. Plenoxels represent a scene as a sparse 3D grid with spherical harmonics. This representation can be optimized from calibrated images via gradient methods and regularization without any neural components. On standard, benchmark tasks...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
270,741
2409.18405
Word2Wave: Language Driven Mission Programming for Efficient Subsea Deployments of Marine Robots
This paper explores the design and development of a language-based interface for dynamic mission programming of autonomous underwater vehicles (AUVs). The proposed 'Word2Wave' (W2W) framework enables interactive programming and parameter configuration of AUVs for remote subsea missions. The W2W framework includes: (i) ...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
492,239
1812.10961
A Precedent Approach to Assigning Access Rights
To design a discretionary access control policy, a technique is proposed that uses the principle of analogies and is based on both the properties of objects and the properties of subjects. As attributes characterizing these properties, the values of the security attributes of subjects and objects are chosen. The concep...
false
false
false
false
true
false
false
false
false
false
false
false
true
false
false
false
false
true
117,473
2112.00174
Adaptive Optimization with Examplewise Gradients
We propose a new, more general approach to the design of stochastic gradient-based optimization methods for machine learning. In this new framework, optimizers assume access to a batch of gradient estimates per iteration, rather than a single estimate. This better reflects the information that is actually available in ...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
true
false
false
269,045
2006.07657
Top influencers can be identified universally by combining classical centralities
Information flow, opinion, and epidemics spread over structured networks. When using individual node centrality indicators to predict which nodes will be among the top influencers or spreaders in a large network, no single centrality has consistently good ranking power. We show that statistical classifiers using two or...
false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
false
false
false
181,890
1604.04848
Epipolar Geometry Based On Line Similarity
It is known that epipolar geometry can be computed from three epipolar line correspondences but this computation is rarely used in practice since there are no simple methods to find corresponding lines. Instead, methods for finding corresponding points are widely used. This paper proposes a similarity measure between l...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
54,722
2212.10829
Perching on Moving Inclined Surfaces using Uncertainty Tolerant Planner and Thrust Regulation
Quadrotors with the ability to perch on moving inclined surfaces can save energy and extend their travel distance by leveraging ground vehicles. Achieving dynamic perching places high demands on the performance of trajectory planning and terminal state accuracy in SE(3). However, in the perching process, uncertainties ...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
337,629
1710.01142
Finding phonemes: improving machine lip-reading
In machine lip-reading there is continued debate and research around the correct classes to be used for recognition. In this paper we use a structured approach for devising speaker-dependent viseme classes, which enables the creation of a set of phoneme-to-viseme maps where each has a different quantity of visemes rang...
false
false
false
false
false
false
false
false
true
false
false
true
false
false
false
false
false
false
81,972
2211.04063
Sensing-aided Uplink Channel Estimation for Joint Communication and Sensing
The joint communication and sensing (JCAS) technique has drawn great attention due to its high spectrum efficiency by using the same transmit signal for both communication and sensing. Exploiting the correlation between the uplink (UL) channel and the sensing results, we propose a sensing-aided Kalman filter (SAKF)-bas...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
true
329,125
2111.04158
A Word on Machine Ethics: A Response to Jiang et al. (2021)
Ethics is one of the longest standing intellectual endeavors of humanity. In recent years, the fields of AI and NLP have attempted to wrangle with how learning systems that interact with humans should be constrained to behave ethically. One proposal in this vein is the construction of morality models that can take in a...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
265,406
2407.11685
Deconvolution with a Box
Deconvolution with a box (square wave) is a key operation for super-resolution with pixel-shift cameras. In general convolution with a box is not invertible. However, we can obtain perfect reconstructions of sparse signals using convex optimization. We give a direct proof that improves on the reconstruction bound that ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
473,573
2411.16758
Bundle Adjusted Gaussian Avatars Deblurring
The development of 3D human avatars from multi-view videos represents a significant yet challenging task in the field. Recent advancements, including 3D Gaussian Splattings (3DGS), have markedly progressed this domain. Nonetheless, existing techniques necessitate the use of high-quality sharp images, which are often im...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
511,162
2010.00494
Mini-DDSM: Mammography-based Automatic Age Estimation
Age estimation has attracted attention for its various medical applications. There are many studies on human age estimation from biomedical images. However, there is no research done on mammograms for age estimation, as far as we know. The purpose of this study is to devise an AI-based model for estimating age from mam...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
198,303
2403.18938
Reshaping Free-Text Radiology Notes Into Structured Reports With Generative Transformers
BACKGROUND: Radiology reports are typically written in a free-text format, making clinical information difficult to extract and use. Recently the adoption of structured reporting (SR) has been recommended by various medical societies thanks to the advantages it offers, e.g. standardization, completeness and information...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
442,136
1801.03233
Eliciting Worker Preference for Task Completion
Current crowdsourcing platforms provide little support for worker feedback. Workers are sometimes invited to post free text describing their experience and preferences in completing tasks. They can also use forums such as Turker Nation1 to exchange preferences on tasks and requesters. In fact, crowdsourcing platforms r...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
true
false
88,059
2308.14189
Topology and dynamics of higher-order multiplex networks
Higher-order networks are gaining significant scientific attention due to their ability to encode the many-body interactions present in complex systems. However, higher-order networks have the limitation that they only capture many-body interactions of the same type. To address this limitation, we present a mathematica...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
388,227
2501.12116
Efficient PINNs: Multi-Head Unimodular Regularization of the Solutions Space
We present a machine learning framework to facilitate the solution of nonlinear multiscale differential equations and, especially, inverse problems using Physics-Informed Neural Networks (PINNs). This framework is based on what is called multihead (MH) training, which involves training the network to learn a general sp...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
526,169
2402.12948
GumbelSoft: Diversified Language Model Watermarking via the GumbelMax-trick
Large language models (LLMs) excellently generate human-like text, but also raise concerns about misuse in fake news and academic dishonesty. Decoding-based watermark, particularly the GumbelMax-trick-based watermark(GM watermark), is a standout solution for safeguarding machine-generated texts due to its notable detec...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
431,058
1903.03418
The meta-problem and the transfer of knowledge between theories of consciousness: a software engineer's take
This contribution examines two radically different explanations of our phenomenal intuitions, one reductive and one strongly non-reductive, and identifies two germane ideas that could benefit many other theories of consciousness. Firstly, the ability of sophisticated agent architectures with a purely physical implement...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
123,728
1810.01344
Unsupervised Emergence of Spatial Structure from Sensorimotor Prediction
Despite its omnipresence in robotics application, the nature of spatial knowledge and the mechanisms that underlie its emergence in autonomous agents are still poorly understood. Recent theoretical work suggests that the concept of space can be grounded by capturing invariants induced by the structure of space in an ag...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
109,373
2008.01221
Configuration Learning in Underwater Optical Links
A new research problem named configuration learning is described in this work. A novel algorithm is proposed to address the configuration learning problem. The configuration learning problem is defined to be the optimization of the Machine Learning (ML) classifier to maximize the ML performance metric optimizing the tr...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
190,246
2406.10254
Towards Signal Processing In Large Language Models
This paper introduces the idea of applying signal processing inside a Large Language Model (LLM). With the recent explosion of generative AI, our work can help bridge two fields together, namely the field of signal processing and large language models. We draw parallels between classical Fourier-Transforms and Fourier ...
false
false
true
false
true
false
true
false
true
false
false
false
false
false
false
false
false
false
464,310
2203.08216
Interactive Portrait Harmonization
Current image harmonization methods consider the entire background as the guidance for harmonization. However, this may limit the capability for user to choose any specific object/person in the background to guide the harmonization. To enable flexible interaction between user and harmonization, we introduce interactive...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
285,713
2204.12834
Power Bundle Adjustment for Large-Scale 3D Reconstruction
We introduce Power Bundle Adjustment as an expansion type algorithm for solving large-scale bundle adjustment problems. It is based on the power series expansion of the inverse Schur complement and constitutes a new family of solvers that we call inverse expansion methods. We theoretically justify the use of power seri...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
293,624
2210.10464
On the Power of Pre-training for Generalization in RL: Provable Benefits and Hardness
Generalization in Reinforcement Learning (RL) aims to learn an agent during training that generalizes to the target environment. This paper studies RL generalization from a theoretical aspect: how much can we expect pre-training over training environments to be helpful? When the interaction with the target environment ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
324,934
2502.03817
Knowing When to Stop Matters: A Unified Algorithm for Online Conversion under Horizon Uncertainty
This paper investigates the online conversion problem, which involves sequentially trading a divisible resource (e.g., energy) under dynamically changing prices to maximize profit. A key challenge in online conversion is managing decisions under horizon uncertainty, where the duration of trading is either known, reveal...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
530,875
2311.16214
DGR: Tackling Drifted and Correlated Noise in Quantum Error Correction via Decoding Graph Re-weighting
Quantum hardware suffers from high error rates and noise, which makes directly running applications on them ineffective. Quantum Error Correction (QEC) is a critical technique towards fault tolerance which encodes the quantum information distributively in multiple data qubits and uses syndrome qubits to check parity. M...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
410,834
1901.00534
Linear colour segmentation revisited
In this work we discuss the known algorithms for linear colour segmentation based on a physical approach and propose a new modification of segmentation algorithm. This algorithm is based on a region adjacency graph framework without a pre-segmentation stage. Proposed edge weight functions are defined from linear image ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
117,797
1811.08632
A Deep Tree-Structured Fusion Model for Single Image Deraining
We propose a simple yet effective deep tree-structured fusion model based on feature aggregation for the deraining problem. We argue that by effectively aggregating features, a relatively simple network can still handle tough image deraining problems well. First, to capture the spatial structure of rain we use dilated ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
114,091
1410.3097
Content and Network Dynamics Behind Egyptian Political Polarization on Twitter
There is little doubt about whether social networks play a role in modern protests. This agreement has triggered an entire research avenue, in which social structure and content analysis have been central --but are typically exploited separately. Here, we combine these two approaches to shed light on the opinion evol...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
36,683
2012.06522
Online Coresets for Clustering with Bregman Divergences
We present algorithms that create coresets in an online setting for clustering problems according to a wide subset of Bregman divergences. Notably, our coresets have a small additive error, similar in magnitude to the lightweight coresets Bachem et. al. 2018, and take update time $O(d)$ for every incoming point where $...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
211,144
2105.10799
Sockpuppet Detection: a Telegram case study
In Online Social Networks (OSN) numerous are the cases in which users create multiple accounts that publicly seem to belong to different people but are actually fake identities of the same person. These fictitious characters can be exploited to carry out abusive behaviors such as manipulating opinions, spreading fake n...
false
false
false
true
true
false
false
false
false
false
false
false
false
false
false
false
false
false
236,500
2401.07578
Confounded Budgeted Causal Bandits
We study the problem of learning 'good' interventions in a stochastic environment modeled by its underlying causal graph. Good interventions refer to interventions that maximize rewards. Specifically, we consider the setting of a pre-specified budget constraint, where interventions can have non-uniform costs. We show t...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
421,594
2410.01806
Samba: Synchronized Set-of-Sequences Modeling for Multiple Object Tracking
Multiple object tracking in complex scenarios - such as coordinated dance performances, team sports, or dynamic animal groups - presents unique challenges. In these settings, objects frequently move in coordinated patterns, occlude each other, and exhibit long-term dependencies in their trajectories. However, it remain...
false
false
false
false
true
false
false
false
false
false
false
true
false
false
false
false
false
false
493,960
1806.09751
A Practical Incremental Learning Framework For Sparse Entity Extraction
This work addresses challenges arising from extracting entities from textual data, including the high cost of data annotation, model accuracy, selecting appropriate evaluation criteria, and the overall quality of annotation. We present a framework that integrates Entity Set Expansion (ESE) and Active Learning (AL) to r...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
101,407
2105.12684
Low Resolution Information Also Matters: Learning Multi-Resolution Representations for Person Re-Identification
As a prevailing task in video surveillance and forensics field, person re-identification (re-ID) aims to match person images captured from non-overlapped cameras. In unconstrained scenarios, person images often suffer from the resolution mismatch problem, i.e., \emph{Cross-Resolution Person Re-ID}. To overcome this pro...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
237,068
1712.05110
Optimality Of Community Structure In Complex Networks
Community detection is one of the pivotal tools for discovering the structure of complex networks. Majority of community detection methods rely on optimization of certain quality functions characterizing the proposed community structure. Perhaps, the most commonly used of those quality functions is modularity. Many heu...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
86,694
2003.12506
Hybrid Models for Open Set Recognition
Open set recognition requires a classifier to detect samples not belonging to any of the classes in its training set. Existing methods fit a probability distribution to the training samples on their embedding space and detect outliers according to this distribution. The embedding space is often obtained from a discrimi...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
169,934
1812.07608
Differential Evolution with Better and Nearest Option for Function Optimization
Differential evolution(DE) is a conventional algorithm with fast convergence speed. However, DE may be trapped in local optimal solution easily. Many researchers devote themselves to improving DE. In our previously work, whale swarm algorithm have shown its strong searching performance due to its niching based mutation...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
false
false
116,841
2209.02984
Semantic Interactive Learning for Text Classification: A Constructive Approach for Contextual Interactions
Interactive Machine Learning (IML) shall enable intelligent systems to interactively learn from their end-users, and is quickly becoming more and more important. Although it puts the human in the loop, interactions are mostly performed via mutual explanations that miss contextual information. Furthermore, current model...
true
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
316,363
2411.09953
Brain-inspired Action Generation with Spiking Transformer Diffusion Policy Model
Spiking Neural Networks (SNNs) has the ability to extract spatio-temporal features due to their spiking sequence. While previous research has primarily foucus on the classification of image and reinforcement learning. In our paper, we put forward novel diffusion policy model based on Spiking Transformer Neural Networks...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
508,433
2205.04297
Learning A Simulation-based Visual Policy for Real-world Peg In Unseen Holes
This paper proposes a learning-based visual peg-in-hole that enables training with several shapes in simulation, and adapting to arbitrary unseen shapes in real world with minimal sim-to-real cost. The core idea is to decouple the generalization of the sensory-motor policy to the design of a fast-adaptable perception m...
false
false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
false
false
295,599
2103.05577
Parametrized quantum policies for reinforcement learning
With the advent of real-world quantum computing, the idea that parametrized quantum computations can be used as hypothesis families in a quantum-classical machine learning system is gaining increasing traction. Such hybrid systems have already shown the potential to tackle real-world tasks in supervised and generative ...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
224,021
2004.05619
Relations among Open-loop Control Ability, Control Strategy Space and Closed-loop Performance for Linear Discrte-time Systems
In this article, the definition on the control ability, and the relation between the open-loop control ability and the closed-loop performance are studied systematically for the linear dynamical systems. Firstly, to define and compare rationally the state control ability between the different controlled plants or one c...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
172,257
2310.18477
Understanding and Improving Ensemble Adversarial Defense
The strategy of ensemble has become popular in adversarial defense, which trains multiple base classifiers to defend against adversarial attacks in a cooperative manner. Despite the empirical success, theoretical explanations on why an ensemble of adversarially trained classifiers is more robust than single ones remain...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
403,561
2401.12375
Development of an NLP-driven computer-based test guide for visually impaired students
In recent years, advancements in Natural Language Processing (NLP) techniques have revolutionized the field of accessibility and exclusivity of testing, particularly for visually impaired students (VIS). CBT has shown in years back its relevance in terms of administering exams electronically, making the test process ea...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
423,350
2410.07040
The Euler-Lagrange equation and optimal control: Preliminary results
Algebraically speaking, linear time-invariant (LTI) systems can be considered as modules. In this framework, controllability is translated as the freeness of the system module. Optimal control mainly relies on quadratic Lagrangians and the consideration of any basis of the system module leads to an open-loop control st...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
496,440
2203.13648
On the Role of Fixed Points of Dynamical Systems in Training Physics-Informed Neural Networks
This paper empirically studies commonly observed training difficulties of Physics-Informed Neural Networks (PINNs) on dynamical systems. Our results indicate that fixed points which are inherent to these systems play a key role in the optimization of the in PINNs embedded physics loss function. We observe that the loss...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
287,710
2404.05624
LTNER: Large Language Model Tagging for Named Entity Recognition with Contextualized Entity Marking
The use of LLMs for natural language processing has become a popular trend in the past two years, driven by their formidable capacity for context comprehension and learning, which has inspired a wave of research from academics and industry professionals. However, for certain NLP tasks, such as NER, the performance of L...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
445,150
2408.01988
MetaWearS: A Shortcut in Wearable Systems Lifecycle with Only a Few Shots
Wearable systems provide continuous health monitoring and can lead to early detection of potential health issues. However, the lifecycle of wearable systems faces several challenges. First, effective model training for new wearable devices requires substantial labeled data from various subjects collected directly by th...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
true
478,454
2312.02178
Hierarchical ML Codebook Design for Extreme MIMO Beam Management
Beam management is a strategy to unify beamforming and channel state information (CSI) acquisition with large antenna arrays in 5G. Codebooks serve multiple uses in beam management including beamforming reference signals, CSI reporting, and analog beam training. In this paper, we propose and evaluate a machine learning...
false
false
false
false
false
false
true
false
false
true
true
false
false
false
false
false
false
false
412,736
2005.08374
Intelligent O-RAN for Beyond 5G and 6G Wireless Networks
Building on the principles of openness and intelligence, there has been a concerted global effort from the operators towards enhancing the radio access network (RAN) architecture. The objective is to build an operator-defined RAN architecture (and associated interfaces) on open hardware that provides intelligent radio ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
177,597
1911.07410
Multi-Temporal Recurrent Neural Networks For Progressive Non-Uniform Single Image Deblurring With Incremental Temporal Training
Multi-scale (MS) approaches have been widely investigated for blind single image / video deblurring that sequentially recovers deblurred images in low spatial scale first and then in high spatial scale later with the output of lower scales. MS approaches have been effective especially for severe blurs induced by large ...
false
false
false
false
false
false
false
false
false
false
false
true
false
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false
false
false
false
153,837