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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2201.08379 | Learning Pixel Trajectories with Multiscale Contrastive Random Walks | A range of video modeling tasks, from optical flow to multiple object tracking, share the same fundamental challenge: establishing space-time correspondence. Yet, approaches that dominate each space differ. We take a step towards bridging this gap by extending the recent contrastive random walk formulation to much dens... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 276,321 |
1402.1792 | Binary Excess Risk for Smooth Convex Surrogates | In statistical learning theory, convex surrogates of the 0-1 loss are highly preferred because of the computational and theoretical virtues that convexity brings in. This is of more importance if we consider smooth surrogates as witnessed by the fact that the smoothness is further beneficial both computationally- by at... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | 30,711 |
1504.00215 | Controlled Remote State Preparation via General Pure Three-Qubit State | The protocols for controlled remote state preparation of a single qubit and a general two-qubit state are presented in this paper. The general pure three-qubit states are chosen as shared quantum channel, which are not LOCC equivalent to the mostly used GHZ-state. It is the first time to introduce general pure three-qu... | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | 41,684 |
2206.09257 | Optimal Dynamic Regret in LQR Control | We consider the problem of nonstochastic control with a sequence of quadratic losses, i.e., LQR control. We provide an efficient online algorithm that achieves an optimal dynamic (policy) regret of $\tilde{O}(\text{max}\{n^{1/3} \mathcal{TV}(M_{1:n})^{2/3}, 1\})$, where $\mathcal{TV}(M_{1:n})$ is the total variation of... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | 303,491 |
2408.07395 | Improving Global Parameter-sharing in Physically Heterogeneous
Multi-agent Reinforcement Learning with Unified Action Space | In a multi-agent system (MAS), action semantics indicates the different influences of agents' actions toward other entities, and can be used to divide agents into groups in a physically heterogeneous MAS. Previous multi-agent reinforcement learning (MARL) algorithms apply global parameter-sharing across different types... | false | false | false | false | true | false | false | false | false | false | false | false | false | false | true | false | false | false | 480,566 |
2502.00902 | Position: More Rigorous Software Engineering Would Improve
Reproducibility in Machine Learning Research | Experimental verification and falsification of scholarly work are part of the scientific method's core. To improve the Machine Learning (ML)-communities' ability to verify results from prior work, we argue for more robust software engineering. We estimate the adoption of common engineering best practices by examining r... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | true | 529,601 |
1410.4013 | A two-pass fuzzy-geno approach to pattern classification | The work presents an extension of the fuzzy approach to 2-D shape recognition [1] through refinement of initial or coarse classification decisions under a two pass approach. In this approach, an unknown pattern is classified by refining possible classification decisions obtained through coarse classification of the sam... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 36,763 |
2305.15244 | Neural Lyapunov and Optimal Control | Despite impressive results, reinforcement learning (RL) suffers from slow convergence and requires a large variety of tuning strategies. In this paper, we investigate the ability of RL algorithms on simple continuous control tasks. We show that without reward and environment tuning, RL suffers from poor convergence. In... | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | 367,524 |
2211.01885 | Using U-Net Network for Efficient Brain Tumor Segmentation in MRI Images | Magnetic Resonance Imaging (MRI) is the most commonly used non-intrusive technique for medical image acquisition. Brain tumor segmentation is the process of algorithmically identifying tumors in brain MRI scans. While many approaches have been proposed in the literature for brain tumor segmentation, this paper proposes... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 328,398 |
2102.00424 | An Empirical Study on the Generalization Power of Neural Representations
Learned via Visual Guessing Games | Guessing games are a prototypical instance of the "learning by interacting" paradigm. This work investigates how well an artificial agent can benefit from playing guessing games when later asked to perform on novel NLP downstream tasks such as Visual Question Answering (VQA). We propose two ways to exploit playing gues... | false | false | false | false | false | false | true | false | true | false | false | true | false | false | false | false | false | false | 217,776 |
2408.15256 | Improving Ontology Requirements Engineering with OntoChat and
Participatory Prompting | Past ontology requirements engineering (ORE) has primarily relied on manual methods, such as interviews and collaborative forums, to gather user requirements from domain experts, especially in large projects. Current OntoChat offers a framework for ORE that utilises large language models (LLMs) to streamline the proces... | true | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | false | false | 483,866 |
1908.04346 | SkrGAN: Sketching-rendering Unconditional Generative Adversarial
Networks for Medical Image Synthesis | Generative Adversarial Networks (GANs) have the capability of synthesizing images, which have been successfully applied to medical image synthesis tasks. However, most of existing methods merely consider the global contextual information and ignore the fine foreground structures, e.g., vessel, skeleton, which may conta... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 141,448 |
1910.09630 | Blind interactive learning of modulation schemes: Multi-agent
cooperation without co-design | We examine the problem of learning to cooperate in the context of wireless communication. In our setting, two agents must learn modulation schemes that enable them to communicate across a power-constrained additive white Gaussian noise channel. We investigate whether learning is possible under different levels of infor... | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | 150,245 |
2202.04708 | Active Learning Improves Performance on Symbolic RegressionTasks in
StackGP | In this paper we introduce an active learning method for symbolic regression using StackGP. The approach begins with a small number of data points for StackGP to model. To improve the model the system incrementally adds a data point such that the new point maximizes prediction uncertainty as measured by the model ensem... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | 279,634 |
2301.09919 | Opportunities and Challenges in Neural Dialog Tutoring | Designing dialog tutors has been challenging as it involves modeling the diverse and complex pedagogical strategies employed by human tutors. Although there have been significant recent advances in neural conversational systems using large language models (LLMs) and growth in available dialog corpora, dialog tutoring h... | false | false | false | false | true | false | false | false | true | false | false | false | false | false | false | false | false | false | 341,648 |
1912.06825 | Knowledge forest: a novel model to organize knowledge fragments | With the rapid growth of knowledge, it shows a steady trend of knowledge fragmentization. Knowledge fragmentization manifests as that the knowledge related to a specific topic in a course is scattered in isolated and autonomous knowledge sources. We term the knowledge of a facet in a specific topic as a knowledge fragm... | false | false | false | false | true | false | false | false | true | false | false | false | false | false | false | false | false | false | 157,438 |
1204.2731 | How do Ontology Mappings Change in the Life Sciences? | Mappings between related ontologies are increasingly used to support data integration and analysis tasks. Changes in the ontologies also require the adaptation of ontology mappings. So far the evolution of ontology mappings has received little attention albeit ontologies change continuously especially in the life scien... | false | false | false | false | false | false | false | false | false | false | false | false | false | false | false | false | true | false | 15,438 |
2401.15752 | Integrated Sensing and Communication in the Finite Blocklength Regime | A point-to-point integrated sensing and communication (ISAC) system is considered where a transmitter conveys a message to a receiver over a discrete memoryless channel (DMC) and simultaneously estimates the state of the channel through the backscattered signals of the emitted waveform. We derive achievability and co... | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | 424,572 |
2401.15193 | Overview of Sensing Attacks on Autonomous Vehicle Technologies and
Impact on Traffic Flow | While perception systems in Connected and Autonomous Vehicles (CAVs), which encompass both communication technologies and advanced sensors, promise to significantly reduce human driving errors, they also expose CAVs to various cyberattacks. These include both communication and sensing attacks, which potentially jeopard... | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | 424,348 |
2403.19976 | eTraM: Event-based Traffic Monitoring Dataset | Event cameras, with their high temporal and dynamic range and minimal memory usage, have found applications in various fields. However, their potential in static traffic monitoring remains largely unexplored. To facilitate this exploration, we present eTraM - a first-of-its-kind, fully event-based traffic monitoring da... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 442,563 |
1707.04596 | DocTag2Vec: An Embedding Based Multi-label Learning Approach for
Document Tagging | Tagging news articles or blog posts with relevant tags from a collection of predefined ones is coined as document tagging in this work. Accurate tagging of articles can benefit several downstream applications such as recommendation and search. In this work, we propose a novel yet simple approach called DocTag2Vec to ac... | false | false | false | false | false | true | false | false | true | false | false | false | false | false | false | false | false | false | 77,069 |
2210.03540 | Multi-Agent Systems for Computational Economics and Finance | In this article we survey the main research topics of our group at the University of Essex. Our research interests lie at the intersection of theoretical computer science, artificial intelligence, and economic theory. In particular, we focus on the design and analysis of mechanisms for systems involving multiple strate... | false | true | false | false | false | false | false | false | false | false | false | false | false | false | false | false | false | true | 322,081 |
2405.17677 | Understanding differences in applying DETR to natural and medical images | Transformer-based detectors have shown success in computer vision tasks with natural images. These models, exemplified by the Deformable DETR, are optimized through complex engineering strategies tailored to the typical characteristics of natural scenes. However, medical imaging data presents unique challenges such as ... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 458,056 |
2405.17720 | MindFormer: Semantic Alignment of Multi-Subject fMRI for Brain Decoding | Research efforts for visual decoding from fMRI signals have attracted considerable attention in research community. Still multi-subject fMRI decoding with one model has been considered intractable due to the drastic variations in fMRI signals between subjects and even within the same subject across different trials. To... | false | false | false | false | true | false | true | false | false | false | false | true | false | false | false | false | false | false | 458,079 |
1509.03203 | Adaptive Convex Combination of APA and ZA-APA algorithms for Sparse
System Identification | In general, one often encounters the systems that have sparse impulse response, with time varying system sparsity. Conventional adaptive filters which perform well for identification of non-sparse systems fail to exploit the system sparsity for improving the performance as the sparsity level increases. This paper prese... | false | false | false | false | false | false | false | false | false | true | true | false | false | false | false | false | false | false | 46,803 |
2209.10922 | Learning to Write with Coherence From Negative Examples | Coherence is one of the critical factors that determine the quality of writing. We propose writing relevance (WR) training method for neural encoder-decoder natural language generation (NLG) models which improves coherence of the continuation by leveraging negative examples. WR loss regresses the vector representation ... | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | 319,019 |
2201.02263 | ITSA: An Information-Theoretic Approach to Automatic Shortcut Avoidance
and Domain Generalization in Stereo Matching Networks | State-of-the-art stereo matching networks trained only on synthetic data often fail to generalize to more challenging real data domains. In this paper, we attempt to unfold an important factor that hinders the networks from generalizing across domains: through the lens of shortcut learning. We demonstrate that the lear... | false | false | false | false | false | false | true | false | false | false | false | true | false | false | false | false | false | false | 274,487 |
2008.10498 | Noise-induced degeneration in online learning | In order to elucidate the plateau phenomena caused by vanishing gradient, we herein analyse stability of stochastic gradient descent near degenerated subspaces in a multi-layer perceptron. In stochastic gradient descent for Fukumizu-Amari model, which is the minimal multi-layer perceptron showing non-trivial plateau ph... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | 193,019 |
2502.10601 | Data-driven Super-Resolution of Flood Inundation Maps using Synthetic
Simulations | The frequency of extreme flood events is increasing throughout the world. Daily, high-resolution (30m) Flood Inundation Maps (FIM) observed from space play a key role in informing mitigation and preparedness efforts to counter these extreme events. However, the temporal frequency of publicly available high-resolution F... | false | false | false | false | false | false | true | false | false | false | false | true | false | false | false | false | false | false | 533,958 |
2409.14012 | Test Time Learning for Time Series Forecasting | Time-series forecasting has seen significant advancements with the introduction of token prediction mechanisms such as multi-head attention. However, these methods often struggle to achieve the same performance as in language modeling, primarily due to the quadratic computational cost and the complexity of capturing lo... | false | false | false | false | true | false | true | false | false | false | false | false | false | false | false | false | false | false | 490,283 |
1201.4908 | Self-Organisation of Evolving Agent Populations in Digital Ecosystems | We investigate the self-organising behaviour of Digital Ecosystems, because a primary motivation for our research is to exploit the self-organising properties of biological ecosystems. We extended a definition for the complexity, grounded in the biological sciences, providing a measure of the information in an organism... | false | false | false | false | false | false | false | false | false | false | false | false | false | false | false | true | false | false | 13,937 |
2003.07162 | Adversarial Multimodal Representation Learning for Click-Through Rate
Prediction | For better user experience and business effectiveness, Click-Through Rate (CTR) prediction has been one of the most important tasks in E-commerce. Although extensive CTR prediction models have been proposed, learning good representation of items from multimodal features is still less investigated, considering an item i... | false | false | false | false | false | true | true | false | false | false | false | false | false | false | false | false | false | false | 168,347 |
2502.08884 | ShapeLib: designing a library of procedural 3D shape abstractions with
Large Language Models | Procedural representations are desirable, versatile, and popular shape encodings. Authoring them, either manually or using data-driven procedures, remains challenging, as a well-designed procedural representation should be compact, intuitive, and easy to manipulate. A long-standing problem in shape analysis studies how... | false | false | false | false | true | false | false | false | false | false | false | true | false | false | false | false | false | true | 533,205 |
1601.05880 | A Beta-Beta Achievability Bound with Applications | A channel coding achievability bound expressed in terms of the ratio between two Neyman-Pearson $\beta$ functions is proposed. This bound is the dual of a converse bound established earlier by Polyanskiy and Verd\'{u} (2014). The new bound turns out to simplify considerably the analysis in situations where the channel ... | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | 51,175 |
2105.09505 | Pilot Assignment Schemes for Cell-Free Massive MIMO Systems | In this work, we propose three pilot assignment schemes to reduce the effect of pilot contamination in cell-free massive multiple-input-multiple-output (MIMO) systems. Our first algorithm, which is based on the idea of random sequential adsorption (RSA) process from the statistical physics literature, can be implemente... | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | 236,088 |
2009.03775 | Accelerated Multi-Agent Optimization Method over Stochastic Networks | We propose a distributed method to solve a multi-agent optimization problem with strongly convex cost function and equality coupling constraints. The method is based on Nesterov's accelerated gradient approach and works over stochastically time-varying communication networks. We consider the standard assumptions of Nes... | false | false | false | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | 194,886 |
2005.11963 | Non-Destructive Sample Generation From Conditional Belief Functions | This paper presents a new approach to generate samples from conditional belief functions for a restricted but non trivial subset of conditional belief functions. It assumes the factorization (decomposition) of a belief function along a bayesian network structure. It applies general conditional belief functions. | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | false | false | 178,615 |
2105.09146 | Physical Constraint Embedded Neural Networks for inference and noise
regulation | Neural networks often require large amounts of data to generalize and can be ill-suited for modeling small and noisy experimental datasets. Standard network architectures trained on scarce and noisy data will return predictions that violate the underlying physics. In this paper, we present methods for embedding even--o... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | 235,987 |
1905.02636 | A Complementary Learning Systems Approach to Temporal Difference
Learning | Complementary Learning Systems (CLS) theory suggests that the brain uses a 'neocortical' and a 'hippocampal' learning system to achieve complex behavior. These two systems are complementary in that the 'neocortical' system relies on slow learning of distributed representations while the 'hippocampal' system relies on f... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | true | false | false | 130,014 |
2005.10550 | Region Proposals for Saliency Map Refinement for Weakly-supervised
Disease Localisation and Classification | The deployment of automated systems to diagnose diseases from medical images is challenged by the requirement to localise the diagnosed diseases to justify or explain the classification decision. This requirement is hard to fulfil because most of the training sets available to develop these systems only contain global ... | false | false | false | false | false | false | true | false | false | false | false | true | false | false | false | false | false | false | 178,217 |
2310.19495 | Deep Learning for Visual Navigation of Underwater Robots | This paper aims to briefly survey deep learning methods for visual navigation of underwater robotics. The scope of this paper includes the visual perception of underwater robotics with deep learning methods, the available visual underwater datasets, imitation learning, and reinforcement learning methods for navigation.... | false | false | false | false | false | false | true | true | false | false | false | true | false | false | false | false | false | false | 404,012 |
2103.01093 | Quantifying Indirect Gender Discrimination on Collaborative Platforms | Digital collaborative platforms have become crucial venues of career advancement and individual success in many creative fields, from engineering to the arts. Indirect gender discrimination is a key component to gendered disadvantage on platforms. Such platforms carried the promise of opening avenues of advancement to ... | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | false | false | false | 222,513 |
2401.08281 | The Faiss library | Vector databases typically manage large collections of embedding vectors. Currently, AI applications are growing rapidly, and so is the number of embeddings that need to be stored and indexed. The Faiss library is dedicated to vector similarity search, a core functionality of vector databases. Faiss is a toolkit of ind... | false | false | false | false | false | false | true | false | false | false | false | true | false | false | false | false | false | true | 421,836 |
2501.01275 | HybridTrack: A Hybrid Approach for Robust Multi-Object Tracking | The evolution of Advanced Driver Assistance Systems (ADAS) has increased the need for robust and generalizable algorithms for multi-object tracking. Traditional statistical model-based tracking methods rely on predefined motion models and assumptions about system noise distributions. Although computationally efficient,... | false | false | false | false | false | false | false | true | false | false | false | true | false | false | false | false | false | false | 522,002 |
2111.08006 | Disparities in Dermatology AI: Assessments Using Diverse Clinical Images | More than 3 billion people lack access to care for skin disease. AI diagnostic tools may aid in early skin cancer detection; however most models have not been assessed on images of diverse skin tones or uncommon diseases. To address this, we curated the Diverse Dermatology Images (DDI) dataset - the first publicly avai... | false | false | false | false | false | false | true | false | false | false | false | true | false | false | false | false | false | false | 266,542 |
2111.08772 | Computer Vision for Supporting Image Search | Computer vision and multimedia information processing have made extreme progress within the last decade and many tasks can be done with a level of accuracy as if done by humans, or better. This is because we leverage the benefits of huge amounts of data available for training, we have enormous computer processing avail... | false | false | false | false | false | true | false | false | false | false | false | true | false | false | false | false | false | false | 266,803 |
2408.07731 | Polarization dynamics: a study of individuals shifting between political
communities on social media | Individuals engaging on social media often tend to establish online communities where interactions predominantly occur among like-minded peers. While considerable efforts have been devoted to studying and delineating these communities, there has been limited attention directed towards individuals who diverge from these... | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | false | false | false | 480,704 |
cs/0506093 | On Maximum Contention-Free Interleavers and Permutation Polynomials over
Integer Rings | An interleaver is a critical component for the channel coding performance of turbo codes. Algebraic constructions are of particular interest because they admit analytical designs and simple, practical hardware implementation. Contention-free interleavers have been recently shown to be suitable for parallel decoding of ... | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | 538,803 |
1907.00318 | Multiple Landmark Detection using Multi-Agent Reinforcement Learning | The detection of anatomical landmarks is a vital step for medical image analysis and applications for diagnosis, interpretation and guidance. Manual annotation of landmarks is a tedious process that requires domain-specific expertise and introduces inter-observer variability. This paper proposes a new detection approac... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 137,006 |
2310.06823 | NECO: NEural Collapse Based Out-of-distribution detection | Detecting out-of-distribution (OOD) data is a critical challenge in machine learning due to model overconfidence, often without awareness of their epistemological limits. We hypothesize that ``neural collapse'', a phenomenon affecting in-distribution data for models trained beyond loss convergence, also influences OOD ... | false | false | false | false | true | false | true | false | false | false | false | true | false | false | false | false | false | false | 398,723 |
2109.07045 | Uncertainty Quantification in Medical Image Segmentation with
Multi-decoder U-Net | Accurate medical image segmentation is crucial for diagnosis and analysis. However, the models without calibrated uncertainty estimates might lead to errors in downstream analysis and exhibit low levels of robustness. Estimating the uncertainty in the measurement is vital to making definite, informed conclusions. Espec... | false | false | false | false | true | false | false | false | false | false | false | true | false | false | false | false | false | false | 255,360 |
2406.08113 | Valeo4Cast: A Modular Approach to End-to-End Forecasting | Motion forecasting is crucial in autonomous driving systems to anticipate the future trajectories of surrounding agents such as pedestrians, vehicles, and traffic signals. In end-to-end forecasting, the model must jointly detect and track from sensor data (cameras or LiDARs) the past trajectories of the different eleme... | false | false | false | false | false | false | false | true | false | false | false | true | false | false | false | false | false | false | 463,359 |
2004.03728 | Practical Data Poisoning Attack against Next-Item Recommendation | Online recommendation systems make use of a variety of information sources to provide users the items that users are potentially interested in. However, due to the openness of the online platform, recommendation systems are vulnerable to data poisoning attacks. Existing attack approaches are either based on simple heur... | false | false | false | false | false | true | false | false | false | false | false | false | true | false | false | false | false | false | 171,663 |
2106.06158 | PyGAD: An Intuitive Genetic Algorithm Python Library | This paper introduces PyGAD, an open-source easy-to-use Python library for building the genetic algorithm. PyGAD supports a wide range of parameters to give the user control over everything in its life cycle. This includes, but is not limited to, population, gene value range, gene data type, parent selection, crossover... | false | false | false | false | false | false | true | false | false | false | false | true | false | false | false | true | false | false | 240,385 |
1907.06570 | Automated Playtesting of Matching Tile Games | Matching tile games are an extremely popular game genre. Arguably the most popular iteration, Match-3 games, are simple to understand puzzle games, making them great benchmarks for research. In this paper, we propose developing different procedural personas for Match-3 games in order to approximate different human play... | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | false | false | 138,654 |
2103.04503 | End-to-End Human Object Interaction Detection with HOI Transformer | We propose HOI Transformer to tackle human object interaction (HOI) detection in an end-to-end manner. Current approaches either decouple HOI task into separated stages of object detection and interaction classification or introduce surrogate interaction problem. In contrast, our method, named HOI Transformer, streamli... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 223,656 |
2502.00507 | A statistically consistent measure of Semantic Variability using
Language Models | To address the issue of variability in the output generated by a language model, we present a measure of semantic variability that is statistically consistent under mild assumptions. This measure, denoted as semantic spectral entropy, is a easy to implement algorithm that requires just off the shelf language models. We... | false | false | false | false | true | false | false | false | true | false | false | false | false | false | false | false | false | false | 529,414 |
2002.10561 | Learning the mapping $\mathbf{x}\mapsto \sum_{i=1}^d x_i^2$: the cost of
finding the needle in a haystack | The task of using machine learning to approximate the mapping $\mathbf{x}\mapsto\sum_{i=1}^d x_i^2$ with $x_i\in[-1,1]$ seems to be a trivial one. Given the knowledge of the separable structure of the function, one can design a sparse network to represent the function very accurately, or even exactly. When such structu... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | true | 165,438 |
2403.00198 | AXOLOTL: Fairness through Assisted Self-Debiasing of Large Language
Model Outputs | Pre-trained Large Language Models (LLMs) have significantly advanced natural language processing capabilities but are susceptible to biases present in their training data, leading to unfair outcomes in various applications. While numerous strategies have been proposed to mitigate bias, they often require extensive comp... | false | false | false | false | true | false | true | false | true | false | false | false | false | true | false | false | false | false | 433,891 |
1802.00673 | Representation Learning for Resource Usage Prediction | Creating a model of a computer system that can be used for tasks such as predicting future resource usage and detecting anomalies is a challenging problem. Most current systems rely on heuristics and overly simplistic assumptions about the workloads and system statistics. These heuristics are typically a one-size-fits-... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | true | 89,452 |
2308.00529 | Variational Label-Correlation Enhancement for Congestion Prediction | The physical design process of large-scale designs is a time-consuming task, often requiring hours to days to complete, with routing being the most critical and complex step. As the the complexity of Integrated Circuits (ICs) increases, there is an increased demand for accurate routing quality prediction. Accurate cong... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | true | 382,973 |
2004.00553 | Coronavirus Covid-19 spreading in Italy: optimizing an epidemiological
model with dynamic social distancing through Differential Evolution | The aim of this paper consists in the application of a recent epidemiological model, namely SEIR with Social Distancing (SEIR--SD), extended here through the definition of a social distancing function varying over time, to assess the situation related to the spreading of the coronavirus Covid--19 in Italy and in two of... | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | false | false | false | 170,673 |
2502.04552 | Reinforcement Learning Based Prediction of PID Controller Gains for
Quadrotor UAVs | A reinforcement learning (RL) based methodology is proposed and implemented for online fine-tuning of PID controller gains, thus, improving quadrotor effective and accurate trajectory tracking. The RL agent is first trained offline on a quadrotor PID attitude controller and then validated through simulations and experi... | false | false | false | false | false | false | false | true | false | false | true | false | false | false | false | false | false | false | 531,210 |
2412.03230 | PERL: Pinyin Enhanced Rephrasing Language Model for Chinese ASR N-best
Error Correction | ASR correction methods have predominantly focused on general datasets and have not effectively utilized Pinyin information, unique to the Chinese language. In this study, we address this gap by proposing a Pinyin Enhanced Rephrasing Language Model (PERL), specifically designed for N-best correction scenarios. Additiona... | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | 513,875 |
2007.01980 | Linear Bandits with Limited Adaptivity and Learning Distributional
Optimal Design | Motivated by practical needs such as large-scale learning, we study the impact of adaptivity constraints to linear contextual bandits, a central problem in online active learning. We consider two popular limited adaptivity models in literature: batch learning and rare policy switches. We show that, when the context vec... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | true | 185,592 |
2502.14070 | DiffExp: Efficient Exploration in Reward Fine-tuning for Text-to-Image
Diffusion Models | Fine-tuning text-to-image diffusion models to maximize rewards has proven effective for enhancing model performance. However, reward fine-tuning methods often suffer from slow convergence due to online sample generation. Therefore, obtaining diverse samples with strong reward signals is crucial for improving sample eff... | false | false | false | false | true | false | false | false | false | false | false | true | false | false | false | false | false | false | 535,643 |
1401.6626 | Completion Time Reduction in Instantly Decodable Network Coding Through
Decoding Delay Control | For several years, the completion time and decoding delay problems in Instantly Decodable Network Coding (IDNC) were considered separately and were thought to completely act against each other. Recently, some works aimed to balance the effects of these two important IDNC metrics but none of them studied a further optim... | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | true | 30,382 |
1809.02598 | Mobility-Aware Resource Allocation in VLC Networks Using T-Step
Look-Ahead Policy | Visible light communication (VLC) uses huge license-free spectral bandwidth of visible light for high-speed wireless communication. Since each VLC access point covers a small area, handovers of mobile users are inevitable. In order to deal with these handovers, developing fast and effective resource allocation algorith... | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | true | 107,083 |
1312.4162 | New Method for Localization and Human Being Detection using UWB
Technology: Helpful Solution for Rescue Robots | Two challenges for rescue robots are to detect human beings and to have an accurate positioning system. In indoor positioning, GPS receivers cannot be used due to the reflections or attenuation caused by obstacles. To detect human beings, sensors such as thermal camera, ultrasonic and microphone can be embedded on the ... | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | 29,105 |
2406.03827 | Chaos with Keywords: Exposing Large Language Models Sycophantic
Hallucination to Misleading Keywords and Evaluating Defense Strategies | This study explores the sycophantic tendencies of Large Language Models (LLMs), where these models tend to provide answers that match what users want to hear, even if they are not entirely correct. The motivation behind this exploration stems from the common behavior observed in individuals searching the internet for f... | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | 461,409 |
1910.00883 | Exploiting BERT for End-to-End Aspect-based Sentiment Analysis | In this paper, we investigate the modeling power of contextualized embeddings from pre-trained language models, e.g. BERT, on the E2E-ABSA task. Specifically, we build a series of simple yet insightful neural baselines to deal with E2E-ABSA. The experimental results show that even with a simple linear classification la... | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | 147,784 |
2001.08540 | Stochastic Item Descent Method for Large Scale Equal Circle Packing
Problem | Stochastic gradient descent (SGD) is a powerful method for large-scale optimization problems in the area of machine learning, especially for a finite-sum formulation with numerous variables. In recent years, mini-batch SGD gains great success and has become a standard technique for training deep neural networks fed wit... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | true | 161,313 |
2302.06949 | Camera Calibration without Camera Access -- A Robust Validation
Technique for Extended PnP Methods | A challenge in image based metrology and forensics is intrinsic camera calibration when the used camera is unavailable. The unavailability raises two questions. The first question is how to find the projection model that describes the camera, and the second is to detect incorrect models. In this work, we use off-the-sh... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 345,589 |
2112.00270 | An Enhanced Decoding Algorithm for Coded Compressed Sensing with
Applications to Unsourced Random Access | Unsourced random access (URA) has emerged as a pragmatic framework for next-generation distributed sensor networks. Within URA, concatenated coding structures are often employed to ensure that the central base station can accurately recover the set of sent codewords during a given transmission period. Many URA algorith... | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | 269,076 |
1711.02361 | FADO: A Deterministic Detection/Learning Algorithm | This paper proposes and studies a detection technique for adversarial scenarios (dubbed deterministic detection). This technique provides an alternative detection methodology in case the usual stochastic methods are not applicable: this can be because the studied phenomenon does not follow a stochastic sampling scheme,... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | 84,052 |
1907.01159 | Bundled Causal History Interaction | Complex system arises as a result of the nonlinear interactions between components. In particular, the evolutionary dynamics of a multivariate system encodes the ways in which different variables interact with each other individually or in groups. One fundamental question that remains unanswered is: how do two non-over... | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | 137,245 |
1801.07698 | ArcFace: Additive Angular Margin Loss for Deep Face Recognition | Recently, a popular line of research in face recognition is adopting margins in the well-established softmax loss function to maximize class separability. In this paper, we first introduce an Additive Angular Margin Loss (ArcFace), which not only has a clear geometric interpretation but also significantly enhances the ... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 88,830 |
2502.13280 | Value Gradient Sampler: Sampling as Sequential Decision Making | We propose the Value Gradient Sampler (VGS), a trainable sampler based on the interpretation of sampling as discrete-time sequential decision-making. VGS generates samples from a given unnormalized density (i.e., energy) by drifting and diffusing randomly initialized particles. In VGS, finding the optimal drift is equi... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | 535,294 |
2212.11192 | Continual Learning Approaches for Anomaly Detection | Anomaly Detection is a relevant problem that arises in numerous real-world applications, especially when dealing with images. However, there has been little research for this task in the Continual Learning setting. In this work, we introduce a novel approach called SCALE (SCALing is Enough) to perform Compressed Replay... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 337,722 |
2209.12435 | STD: Stable Triangle Descriptor for 3D place recognition | In this work, we present a novel global descriptor termed stable triangle descriptor (STD) for 3D place recognition. For a triangle, its shape is uniquely determined by the length of the sides or included angles. Moreover, the shape of triangles is completely invariant to rigid transformations. Based on this property, ... | false | false | false | false | false | false | false | true | false | false | false | true | false | false | false | false | false | false | 319,536 |
2303.12421 | Region-wise matching for image inpainting based on adaptive weighted
low-rank decomposition | Digital image inpainting is an interpolation problem, inferring the content in the missing (unknown) region to agree with the known region data such that the interpolated result fulfills some prior knowledge. Low-rank and nonlocal self-similarity are two important priors for image inpainting. Based on the nonlocal self... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 353,262 |
2302.01203 | Online Learning under Budget and ROI Constraints via Weak Adaptivity | We study online learning problems in which a decision maker has to make a sequence of costly decisions, with the goal of maximizing their expected reward while adhering to budget and return-on-investment (ROI) constraints. Existing primal-dual algorithms designed for constrained online learning problems under adversari... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | true | 343,521 |
2210.13113 | Interactive inference: a multi-agent model of cooperative joint actions | We advance a novel computational model of multi-agent, cooperative joint actions that is grounded in the cognitive framework of active inference. The model assumes that to solve a joint task, such as pressing together a red or blue button, two (or more) agents engage in a process of interactive inference. Each agent ma... | false | false | false | false | true | false | false | false | false | true | false | false | false | false | true | false | false | false | 326,052 |
2204.11135 | AZ-whiteness test: a test for uncorrelated noise on spatio-temporal
graphs | We present the first whiteness test for graphs, i.e., a whiteness test for multivariate time series associated with the nodes of a dynamic graph. The statistical test aims at finding serial dependencies among close-in-time observations, as well as spatial dependencies among neighboring observations given the underlying... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | 293,042 |
1707.07591 | Transition-Based Generation from Abstract Meaning Representations | This work addresses the task of generating English sentences from Abstract Meaning Representation (AMR) graphs. To cope with this task, we transform each input AMR graph into a structure similar to a dependency tree and annotate it with syntactic information by applying various predefined actions to it. Subsequently, a... | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | 77,658 |
1706.06122 | VAIN: Attentional Multi-agent Predictive Modeling | Multi-agent predictive modeling is an essential step for understanding physical, social and team-play systems. Recently, Interaction Networks (INs) were proposed for the task of modeling multi-agent physical systems, INs scale with the number of interactions in the system (typically quadratic or higher order in the num... | false | false | false | false | true | false | true | false | false | false | false | false | false | false | false | false | false | false | 75,623 |
2210.03044 | Unmasking the Lottery Ticket Hypothesis: What's Encoded in a Winning
Ticket's Mask? | Modern deep learning involves training costly, highly overparameterized networks, thus motivating the search for sparser networks that can still be trained to the same accuracy as the full network (i.e. matching). Iterative magnitude pruning (IMP) is a state of the art algorithm that can find such highly sparse matchin... | false | false | false | false | true | false | true | false | false | false | false | false | false | false | false | false | false | false | 321,874 |
2405.18795 | Federated Q-Learning with Reference-Advantage Decomposition: Almost
Optimal Regret and Logarithmic Communication Cost | In this paper, we consider model-free federated reinforcement learning for tabular episodic Markov decision processes. Under the coordination of a central server, multiple agents collaboratively explore the environment and learn an optimal policy without sharing their raw data. Despite recent advances in federated Q-le... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | 458,601 |
2409.00924 | MedSAM-U: Uncertainty-Guided Auto Multi-Prompt Adaptation for Reliable
MedSAM | The Medical Segment Anything Model (MedSAM) has shown remarkable performance in medical image segmentation, drawing significant attention in the field. However, its sensitivity to varying prompt types and locations poses challenges. This paper addresses these challenges by focusing on the development of reliable prompt... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 485,136 |
1810.04456 | Invariance Analysis of Saliency Models versus Human Gaze During Scene
Free Viewing | Most of current studies on human gaze and saliency modeling have used high-quality stimuli. In real world, however, captured images undergo various types of distortions during the whole acquisition, transmission, and displaying chain. Some distortion types include motion blur, lighting variations and rotation. Despite ... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 110,047 |
1410.1120 | Security Formalizations and Their Relationships for Encryption and Key
Agreement in Information-Theoretic Cryptography | This paper revisits formalizations of information-theoretic security for symmetric-key encryption and key agreement protocols which are very fundamental primitives in cryptography. In general, we can formalize information-theoretic security in various ways: some of them can be formalized as stand-alone security by exte... | false | false | false | false | false | false | false | false | false | true | false | false | true | false | false | false | false | false | 36,530 |
2412.07812 | Multi-Response Preference Optimization with Augmented Ranking Dataset | Recent advancements in Large Language Models (LLMs) have been remarkable, with new models consistently surpassing their predecessors. These advancements are underpinned by extensive research on various training mechanisms. Among these, Preference Optimization has played a significant role in improving the performance o... | false | false | false | false | false | false | true | false | true | false | false | false | false | false | false | false | false | false | 515,822 |
1508.07468 | Image Annotation Incorporating Low-Rankness, Tag and Visual Correlation
and Inhomogeneous Errors | Tag-based image retrieval (TBIR) has drawn much attention in recent years due to the explosive amount of digital images and crowdsourcing tags. However, TBIR is still suffering from the incomplete and inaccurate tags provided by users, posing a great challenge for tag-based image management applications. In this work, ... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 46,408 |
2408.15497 | On the Existence of Linear Observed Systems on Manifolds with Connection | Linear observed systems on manifolds are a special class of nonlinear systems whose state spaces are smooth manifolds but possess properties similar to linear systems. Such properties can be characterized by preintegration and exact linearization with Jacobians independent of the linearization point. Non-biased IMU dyn... | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | false | 483,956 |
2305.18706 | HQDec: Self-Supervised Monocular Depth Estimation Based on a
High-Quality Decoder | Decoders play significant roles in recovering scene depths. However, the decoders used in previous works ignore the propagation of multilevel lossless fine-grained information, cannot adaptively capture local and global information in parallel, and cannot perform sufficient global statistical analyses on the final outp... | false | false | false | false | false | false | false | false | false | false | false | true | false | false | false | false | false | false | 369,199 |
1805.07869 | Learning Device Models with Recurrent Neural Networks | Recurrent neural networks (RNNs) are powerful constructs capable of modeling complex systems, up to and including Turing Machines. However, learning such complex models from finite training sets can be difficult. In this paper we empirically show that RNNs can learn models of computer peripheral devices through input a... | false | false | false | false | false | false | true | false | false | false | false | false | false | false | false | false | false | false | 97,969 |
2110.04984 | Advances in Multi-turn Dialogue Comprehension: A Survey | Training machines to understand natural language and interact with humans is an elusive and essential task of artificial intelligence. A diversity of dialogue systems has been designed with the rapid development of deep learning techniques, especially the recent pre-trained language models (PrLMs). Among these studies,... | true | false | false | false | true | true | false | false | true | false | false | false | false | false | false | false | false | false | 260,117 |
2410.05102 | SparsePO: Controlling Preference Alignment of LLMs via Sparse Token
Masks | Preference Optimization (PO) has proven an effective step for aligning language models to human-desired behaviors. Current variants, following the offline Direct Preference Optimization objective, have focused on a strict setting where all tokens are contributing signals of KL divergence and rewards to the loss functio... | false | false | false | false | true | false | true | false | true | false | false | false | false | false | false | false | false | false | 495,571 |
2403.18178 | Online Embedding Multi-Scale CLIP Features into 3D Maps | This study introduces a novel approach to online embedding of multi-scale CLIP (Contrastive Language-Image Pre-Training) features into 3D maps. By harnessing CLIP, this methodology surpasses the constraints of conventional vocabulary-limited methods and enables the incorporation of semantic information into the resulta... | false | false | false | false | false | false | false | true | false | false | false | true | false | false | false | false | false | false | 441,801 |
2101.03024 | LiteMuL: A Lightweight On-Device Sequence Tagger using Multi-task
Learning | Named entity detection and Parts-of-speech tagging are the key tasks for many NLP applications. Although the current state of the art methods achieved near perfection for long, formal, structured text there are hindrances in deploying these models on memory-constrained devices such as mobile phones. Furthermore, the pe... | false | false | false | false | false | false | true | false | true | false | false | false | false | false | false | false | false | false | 214,798 |
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