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541k
2409.11370
Compact Implicit Neural Representations for Plane Wave Images
Ultrafast Plane-Wave (PW) imaging often produces artifacts and shadows that vary with insonification angles. We propose a novel approach using Implicit Neural Representations (INRs) to compactly encode multi-planar sequences while preserving crucial orientation-dependent information. To our knowledge, this is the first...
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489,126
1402.0412
Bots vs. Wikipedians, Anons vs. Logged-Ins
Wikipedia is a global crowdsourced encyclopedia that at time of writing is available in 287 languages. Wikidata is a likewise global crowdsourced knowledge base that provides shared facts to be used by Wikipedias. In the context of this research, we have developed an application and an underlying Application Programmin...
false
false
false
true
false
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30,560
2411.19461
Robust Bayesian Scene Reconstruction by Leveraging Retrieval-Augmented Priors
Constructing 3D representations of object geometry is critical for many downstream robotics tasks, particularly tabletop manipulation problems. These representations must be built from potentially noisy partial observations. In this work, we focus on the problem of reconstructing a multi-object scene from a single RGBD...
false
false
false
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
512,250
2402.19289
CAMixerSR: Only Details Need More "Attention"
To satisfy the rapidly increasing demands on the large image (2K-8K) super-resolution (SR), prevailing methods follow two independent tracks: 1) accelerate existing networks by content-aware routing, and 2) design better super-resolution networks via token mixer refining. Despite directness, they encounter unavoidable ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
433,746
2405.13805
Perceptual Fairness in Image Restoration
Fairness in image restoration tasks is the desire to treat different sub-groups of images equally well. Existing definitions of fairness in image restoration are highly restrictive. They consider a reconstruction to be a correct outcome for a group (e.g., women) only if it falls within the group's set of ground truth i...
false
false
false
false
true
false
true
false
false
false
false
true
false
false
false
false
false
false
456,090
2501.03681
SLAM: Towards Efficient Multilingual Reasoning via Selective Language Alignment
Despite the significant improvements achieved by large language models (LLMs) in English reasoning tasks, these models continue to struggle with multilingual reasoning. Recent studies leverage a full-parameter and two-stage training paradigm to teach models to first understand non-English questions and then reason. How...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
522,961
2502.07319
Learnable Residual-based Latent Denoising in Semantic Communication
A latent denoising semantic communication (SemCom) framework is proposed for robust image transmission over noisy channels. By incorporating a learnable latent denoiser into the receiver, the received signals are preprocessed to effectively remove the channel noise and recover the semantic information, thereby enhancin...
false
false
false
false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
532,543
2410.03174
HRVMamba: High-Resolution Visual State Space Model for Dense Prediction
Recently, State Space Models (SSMs) with efficient hardware-aware designs, i.e., Mamba, have demonstrated significant potential in computer vision tasks due to their linear computational complexity with respect to token length and their global receptive field. However, Mamba's performance on dense prediction tasks, inc...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
494,661
0904.1281
Asymptotically Optimal Joint Source-Channel Coding with Minimal Delay
We present and analyze a joint source-channel coding strategy for the transmission of a Gaussian source across a Gaussian channel in n channel uses per source symbol. Among all such strategies, our scheme has the following properties: i) the resulting mean-squared error scales optimally with the signal-to-noise ratio, ...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
3,505
2002.04741
Progressive Object Transfer Detection
Recent development of object detection mainly depends on deep learning with large-scale benchmarks. However, collecting such fully-annotated data is often difficult or expensive for real-world applications, which restricts the power of deep neural networks in practice. Alternatively, humans can detect new objects with ...
false
false
false
false
false
false
false
false
false
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true
false
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false
false
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163,683
2305.09995
Algorithmic Decorrelation and Planted Clique in Dependent Random Graphs: The Case of Extra Triangles
We aim to understand the extent to which the noise distribution in a planted signal-plus-noise problem impacts its computational complexity. To that end, we consider the planted clique and planted dense subgraph problems, but in a different ambient graph. Instead of Erd\H{o}s-R\'enyi $G(n,p)$, which has independent edg...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
true
364,862
2011.14785
S2FGAN: Semantically Aware Interactive Sketch-to-Face Translation
Interactive facial image manipulation attempts to edit single and multiple face attributes using a photo-realistic face and/or semantic mask as input. In the absence of the photo-realistic image (only sketch/mask available), previous methods only retrieve the original face but ignore the potential of aiding model contr...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
208,891
2009.04042
Unconstrained Text Detection in Manga: a New Dataset and Baseline
The detection and recognition of unconstrained text is an open problem in research. Text in comic books has unusual styles that raise many challenges for text detection. This work aims to binarize text in a comic genre with highly sophisticated text styles: Japanese manga. To overcome the lack of a manga dataset with t...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
194,948
2411.10624
Weak Permission is not Well-Founded, Grounded and Stable
We consider the notion of weak permission as the failure to conclude that the opposite obligation. We investigate the issue from the point of non-monotonic reasoning, specifically logic programming and structured argumentation, and we show that it is not possible to capture weak permission in the presence of deontic co...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
true
508,721
2003.01653
Impact of Spatially Consistent Channels on Digital Beamforming for Millimeter-Wave Systems
The premise of massive multiple-input multiple-output (MIMO) is based around coherent transmission and detection. Majority of the vast literature on massive MIMO presents performance evaluations over simplified statistical propagation models. All such models are drop-based and do not ensure continuity of channel parame...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
166,716
1510.04104
A Preliminary Study on the Learning Informativeness of Data Subsets
Estimating the internal state of a robotic system is complex: this is performed from multiple heterogeneous sensor inputs and knowledge sources. Discretization of such inputs is done to capture saliences, represented as symbolic information, which often presents structure and recurrence. As these sequences are used to ...
false
false
false
false
false
false
false
true
true
false
false
false
false
false
false
false
false
false
47,890
2102.07475
Scaling Multi-Agent Reinforcement Learning with Selective Parameter Sharing
Sharing parameters in multi-agent deep reinforcement learning has played an essential role in allowing algorithms to scale to a large number of agents. Parameter sharing between agents significantly decreases the number of trainable parameters, shortening training times to tractable levels, and has been linked to more ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
true
false
false
false
220,118
2112.10401
Quasi-uniform designs with optimal and near-optimal uniformity constant
A design is a collection of distinct points in a given set $X$, which is assumed to be a compact subset of $R^d$, and the mesh-ratio of a design is the ratio of its fill distance to its separation radius. The uniformity constant of a sequence of nested designs is the smallest upper bound for the mesh-ratios of the desi...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
272,424
1804.02740
Facial Aging and Rejuvenation by Conditional Multi-Adversarial Autoencoder with Ordinal Regression
Facial aging and facial rejuvenation analyze a given face photograph to predict a future look or estimate a past look of the person. To achieve this, it is critical to preserve human identity and the corresponding aging progression and regression with high accuracy. However, existing methods cannot simultaneously handl...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
94,477
2104.07623
Sometimes We Want Translationese
Rapid progress in Neural Machine Translation (NMT) systems over the last few years has been driven primarily towards improving translation quality, and as a secondary focus, improved robustness to input perturbations (e.g. spelling and grammatical mistakes). While performance and robustness are important objectives, by...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
230,486
2212.10754
CoRRPUS: Code-based Structured Prompting for Neurosymbolic Story Understanding
Story generation and understanding -- as with all NLG/NLU tasks -- has seen a surge in neurosymbolic work. Researchers have recognized that, while large language models (LLMs) have tremendous utility, they can be augmented with symbolic means to be even better and to make up for any flaws that the neural networks might...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
337,590
2106.12085
A Graph-based Method for Session-based Recommendations
We present a graph-based approach for the data management tasks and the efficient operation of a system for session-based next-item recommendations. The proposed method can collect data continuously and incrementally from an ecommerce web site, thus seemingly prepare the necessary data infrastructure for the recommenda...
false
false
false
false
false
true
false
false
false
false
false
false
false
false
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false
false
false
242,612
2310.14863
Paraphrase Types for Generation and Detection
Current approaches in paraphrase generation and detection heavily rely on a single general similarity score, ignoring the intricate linguistic properties of language. This paper introduces two new tasks to address this shortcoming by considering paraphrase types - specific linguistic perturbations at particular text po...
false
false
false
false
false
false
false
false
true
false
false
false
false
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false
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false
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402,054
2412.11867
Transformers Use Causal World Models in Maze-Solving Tasks
Recent studies in interpretability have explored the inner workings of transformer models trained on tasks across various domains, often discovering that these networks naturally develop surprisingly structured representations. When such representations comprehensively reflect the task domain's structure, they are comm...
false
false
false
false
true
false
true
false
false
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false
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false
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517,620
1210.4235
Node Classification in Networks of Stochastic Evidence Accumulators
This paper considers a network of stochastic evidence accumulators, each represented by a drift-diffusion model accruing evidence towards a decision in continuous time by observing a noisy signal and by exchanging information with other units according to a fixed communication graph. We bring into focus the relationshi...
false
false
false
false
false
false
false
false
false
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true
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false
false
false
false
false
false
19,124
2406.12658
Federated Learning with a Single Shared Image
Federated Learning (FL) enables multiple machines to collaboratively train a machine learning model without sharing of private training data. Yet, especially for heterogeneous models, a key bottleneck remains the transfer of knowledge gained from each client model with the server. One popular method, FedDF, uses distil...
false
false
false
false
false
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true
false
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false
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465,511
1209.1150
On dually flat Randers metrics
In this paper, I will show how to use beta-deformations to deal with dual flatness of Randers metrics. beta-deformations is a new method in Riemann-Finsler geometry, it is introduced by the author(see arxiv:1209.0845). Later on I will provide more applications of the new kind of deformations in Finsler geometry.
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false
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18,421
2108.12334
Explicit Good Subspace-metric Codes and Subset-metric Codes
In this paper motivated from subspace coding we introduce subspace-metric codes and subset-metric codes. These are coordinate-position independent pseudometrics and suitable for the folded codes. The half-Singleton upper bounds for linear subspace-metric codes and linear subset-metric codes are proved. Subspace distanc...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
252,471
1909.11480
Input complexity and out-of-distribution detection with likelihood-based generative models
Likelihood-based generative models are a promising resource to detect out-of-distribution (OOD) inputs which could compromise the robustness or reliability of a machine learning system. However, likelihoods derived from such models have been shown to be problematic for detecting certain types of inputs that significant...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
146,821
1906.01510
Accelerating Physics-Based Simulations Using Neural Network Proxies: An Application in Oil Reservoir Modeling
We develop a proxy model based on deep learning methods to accelerate the simulations of oil reservoirs--by three orders of magnitude--compared to industry-strength physics-based PDE solvers. This paper describes a new architectural approach to this task, accompanied by a thorough experimental evaluation on a publicly ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
133,728
2404.13454
Revolutionizing System Reliability: The Role of AI in Predictive Maintenance Strategies
The landscape of maintenance in distributed systems is rapidly evolving with the integration of Artificial Intelligence (AI). Also, as the complexity of computing continuum systems intensifies, the role of AI in predictive maintenance (Pd.M.) becomes increasingly pivotal. This paper presents a comprehensive survey of t...
false
false
false
false
true
false
false
false
false
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false
false
false
false
false
true
448,303
2111.04113
Stable Lifelong Learning: Spiking neurons as a solution to instability in plastic neural networks
Synaptic plasticity poses itself as a powerful method of self-regulated unsupervised learning in neural networks. A recent resurgence of interest has developed in utilizing Artificial Neural Networks (ANNs) together with synaptic plasticity for intra-lifetime learning. Plasticity has been shown to improve the learning ...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
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265,391
1409.7367
Coding of Stereo Signals by a Single Digital {\Delta}{\Sigma} Modulator
The possibility of using a single digital {\Delta}{\Sigma} modulator to simultaneously encode the two channels of a stereo signal is illustrated. From the modulated stream, the two channels can be recovered with minimal processing and no cross-talk. Notably, demultiplexing does not affect the sample-depth so that, afte...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
36,314
1202.5967
Joint Source-Channel Cooperative Transmission over Relay-Broadcast Networks
Reliable transmission of a discrete memoryless source over a multiple-relay relay-broadcast network is considered. Motivated by sensor network applications, it is assumed that the relays and the destinations all have access to side information correlated with the underlying source signal. Joint source-channel cooperati...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
14,597
2005.03197
Fair Algorithms for Hierarchical Agglomerative Clustering
Hierarchical Agglomerative Clustering (HAC) algorithms are extensively utilized in modern data science, and seek to partition the dataset into clusters while generating a hierarchical relationship between the data samples. HAC algorithms are employed in many applications, such as biology, natural language processing, a...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
176,082
2306.13761
CeBed: A Benchmark for Deep Data-Driven OFDM Channel Estimation
Deep learning has been extensively used in wireless communication problems, including channel estimation. Although several data-driven approaches exist, a fair and realistic comparison between them is difficult due to inconsistencies in the experimental conditions and the lack of a standardized experimental design. In ...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
375,388
2411.08907
From Simulators to Digital Twins for Enabling Emerging Cellular Networks: A Tutorial and Survey
Simulators are indispensable parts of the research and development necessary to advance countless industries, including cellular networks. With simulators, the evaluation, analysis, testing, and experimentation of novel designs and algorithms can be executed in a more cost-effective and convenient manner without the ri...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
true
508,066
2412.06843
Semantic Loss Guided Data Efficient Supervised Fine Tuning for Safe Responses in LLMs
Large Language Models (LLMs) generating unsafe responses to toxic prompts is a significant issue in their applications. While various efforts aim to address this safety concern, previous approaches often demand substantial human data collection or rely on the less dependable option of using another LLM to generate corr...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
515,412
2407.10874
Random Channel Ablation for Robust Hand Gesture Classification with Multimodal Biosignals
Biosignal-based hand gesture classification is an important component of effective human-machine interaction. For multimodal biosignal sensing, the modalities often face data loss due to missing channels in the data which can adversely affect the gesture classification performance. To make the classifiers robust to mis...
true
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
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473,168
1507.00598
Securing Physical-Layer Communications for Cognitive Radio Networks
This article investigates the physical-layer security of cognitive radio (CR) networks, which are vulnerable to various newly arising attacks targeting on the weaknesses of CR communications and networking. We first review a range of physical-layer attacks in CR networks, including the primary user emulation, sensing f...
false
false
false
false
false
false
false
false
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false
false
false
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false
false
false
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44,773
2404.11819
Utilizing Adversarial Examples for Bias Mitigation and Accuracy Enhancement
We propose a novel approach to mitigate biases in computer vision models by utilizing counterfactual generation and fine-tuning. While counterfactuals have been used to analyze and address biases in DNN models, the counterfactuals themselves are often generated from biased generative models, which can introduce additio...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
447,625
2409.02368
Pluralistic Salient Object Detection
We introduce pluralistic salient object detection (PSOD), a novel task aimed at generating multiple plausible salient segmentation results for a given input image. Unlike conventional SOD methods that produce a single segmentation mask for salient objects, this new setting recognizes the inherent complexity of real-wor...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
485,668
2103.04020
NeRD: Neural Representation of Distribution for Medical Image Segmentation
We introduce Neural Representation of Distribution (NeRD) technique, a module for convolutional neural networks (CNNs) that can estimate the feature distribution by optimizing an underlying function mapping image coordinates to the feature distribution. Using NeRD, we propose an end-to-end deep learning model for medic...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
223,490
2501.10871
Enhancing User Intent for Recommendation Systems via Large Language Models
Recommendation systems play a critical role in enhancing user experience and engagement in various online platforms. Traditional methods, such as Collaborative Filtering (CF) and Content-Based Filtering (CBF), rely heavily on past user interactions or item features. However, these models often fail to capture the dynam...
false
false
false
false
false
true
false
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525,696
2006.12395
Binary linear codes with few weights from two-to-one functions
In this paper, we apply two-to-one functions over $\mathbb{F}_{2^n}$ in two generic constructions of binary linear codes. We consider two-to-one functions in two forms: (1) generalized quadratic functions; and (2) $\left(x^{2^t}+x\right)^e$ with $\gcd(t, n)=1$ and $\gcd\left(e, 2^n-1\right)=1$. Based on the study of th...
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false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
183,574
2005.00069
Occlusion resistant learning of intuitive physics from videos
To reach human performance on complex tasks, a key ability for artificial systems is to understand physical interactions between objects, and predict future outcomes of a situation. This ability, often referred to as intuitive physics, has recently received attention and several methods were proposed to learn these phy...
false
false
false
false
false
false
true
false
false
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true
false
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false
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false
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175,114
2101.04954
EventAnchor: Reducing Human Interactions in Event Annotation of Racket Sports Videos
The popularity of racket sports (e.g., tennis and table tennis) leads to high demands for data analysis, such as notational analysis, on player performance. While sports videos offer many benefits for such analysis, retrieving accurate information from sports videos could be challenging. In this paper, we propose Event...
true
false
false
false
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true
false
false
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false
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215,291
2109.03483
Pose-guided Inter- and Intra-part Relational Transformer for Occluded Person Re-Identification
Person Re-Identification (Re-Id) in occlusion scenarios is a challenging problem because a pedestrian can be partially occluded. The use of local information for feature extraction and matching is still necessary. Therefore, we propose a Pose-guided inter-and intra-part relational transformer (Pirt) for occluded person...
false
false
false
false
false
false
false
false
false
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true
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false
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254,087
2105.13136
A framework for data-driven solution and parameter estimation of PDEs using conditional generative adversarial networks
This work is the first to employ and adapt the image-to-image translation concept based on conditional generative adversarial networks (cGAN) towards learning a forward and an inverse solution operator of partial differential equations (PDEs). Even though the proposed framework could be applied as a surrogate model for...
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false
false
false
false
false
true
false
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false
false
false
false
false
false
false
true
237,220
1703.00737
Wireless Interference Identification with Convolutional Neural Networks
The steadily growing use of license-free frequency bands requires reliable coexistence management for deterministic medium utilization. For interference mitigation, proper wireless interference identification (WII) is essential. In this work we propose the first WII approach based upon deep convolutional neural network...
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false
false
false
false
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true
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true
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69,218
1807.07803
Competition vs. Concatenation in Skip Connections of Fully Convolutional Networks
Increased information sharing through short and long-range skip connections between layers in fully convolutional networks have demonstrated significant improvement in performance for semantic segmentation. In this paper, we propose Competitive Dense Fully Convolutional Networks (CDFNet) by introducing competitive maxo...
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false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
103,387
2008.03172
Orthologics for Cones
In applications that use knowledge representation (KR) techniques, in particular those that combine data-driven and logic methods, the domain of objects is not an abstract unstructured domain, but it exhibits a dedicated, deep structure of geometric objects. One example is the class of convex sets used to model natural...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
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190,825
2309.10563
A Hierarchical Neural Framework for Classification and its Explanation in Large Unstructured Legal Documents
Automatic legal judgment prediction and its explanation suffer from the problem of long case documents exceeding tens of thousands of words, in general, and having a non-uniform structure. Predicting judgments from such documents and extracting their explanation becomes a challenging task, more so on documents with no ...
false
false
false
false
false
true
true
false
false
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false
false
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false
false
false
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393,063
1905.09980
Perception Evaluation -- A new solar image quality metric based on the multi-fractal property of texture features
Next-generation ground-based solar observations require good image quality metrics for post-facto processing techniques. Based on the assumption that texture features in solar images are multi-fractal which can be extracted by a trained deep neural network as feature maps, a new reduced-reference objective image qualit...
false
false
false
false
false
false
false
false
false
false
false
true
false
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false
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false
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131,901
1208.4178
MOIST: A Scalable and Parallel Moving Object Indexer with School Tracking
Location-Based Service (LBS) is rapidly becoming the next ubiquitous technology for a wide range of mobile applications. To support applications that demand nearest-neighbor and history queries, an LBS spatial indexer must be able to efficiently update, query, archive and mine location records, which can be in contenti...
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false
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18,192
2410.05266
Brain Mapping with Dense Features: Grounding Cortical Semantic Selectivity in Natural Images With Vision Transformers
Advances in large-scale artificial neural networks have facilitated novel insights into the functional topology of the brain. Here, we leverage this approach to study how semantic categories are organized in the human visual cortex. To overcome the challenge presented by the co-occurrence of multiple categories in natu...
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495,642
2204.05509
Learning Design and Construction with Varying-Sized Materials via Prioritized Memory Resets
Can a robot autonomously learn to design and construct a bridge from varying-sized blocks without a blueprint? It is a challenging task with long horizon and sparse reward -- the robot has to figure out physically stable design schemes and feasible actions to manipulate and transport blocks. Due to diverse block sizes,...
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291,048
1909.01961
A Constructive Approach for Data-Driven Randomized Learning of Feedforward Neural Networks
Feedforward neural networks with random hidden nodes suffer from a problem with the generation of random weights and biases as these are difficult to set optimally to obtain a good projection space. Typically, random parameters are drawn from an interval which is fixed before or adapted during the learning process. Due...
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144,060
2402.00879
Graph Representation Learning for Contention and Interference Management in Wireless Networks
Restricted access window (RAW) in Wi-Fi 802.11ah networks manages contention and interference by grouping users and allocating periodic time slots for each group's transmissions. We will find the optimal user grouping decisions in RAW to maximize the network's worst-case user throughput. We review existing user groupin...
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425,766
2207.08283
Accelerated RRT* By Local Directional Visibility
RRT* is an efficient sampling-based motion planning algorithm. However, without taking advantages of accessible environment information, sampling-based algorithms usually result in sampling failures, generate useless nodes, and/or fail in exploring narrow passages. For this paper, in order to better utilize environment...
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308,529
1904.11830
Online Learning Algorithms for Quaternion ARMA Model
In this paper, we address the problem of adaptive learning for autoregressive moving average (ARMA) model in the quaternion domain. By transforming the original learning problem into a full information optimization task without explicit noise terms, and then solving the optimization problem using the gradient descent a...
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128,960
2104.08318
Li$_x$CoO$_2$ phase stability studied by machine learning-enabled scale bridging between electronic structure, statistical mechanics and phase field theories
Li$_xTM$O$_2$ (TM={Ni, Co, Mn}) are promising cathodes for Li-ion batteries, whose electrochemical cycling performance is strongly governed by crystal structure and phase stability as a function of Li content at the atomistic scale. Here, we use Li$_x$CoO$_2$ (LCO) as a model system to benchmark a scale-bridging framew...
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230,745
2306.06066
Multi-level Cross-modal Feature Alignment via Contrastive Learning towards Zero-shot Classification of Remote Sensing Image Scenes
Zero-shot classification of image scenes which can recognize the image scenes that are not seen in the training stage holds great promise of lowering the dependence on large numbers of labeled samples. To address the zero-shot image scene classification, the cross-modal feature alignment methods have been proposed in r...
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372,424
2306.12517
FFCV: Accelerating Training by Removing Data Bottlenecks
We present FFCV, a library for easy and fast machine learning model training. FFCV speeds up model training by eliminating (often subtle) data bottlenecks from the training process. In particular, we combine techniques such as an efficient file storage format, caching, data pre-loading, asynchronous data transfer, and ...
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374,965
2104.11746
VidTr: Video Transformer Without Convolutions
We introduce Video Transformer (VidTr) with separable-attention for video classification. Comparing with commonly used 3D networks, VidTr is able to aggregate spatio-temporal information via stacked attentions and provide better performance with higher efficiency. We first introduce the vanilla video transformer and sh...
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232,007
1907.07055
Homophily as a Process Generating Social Networks: Insights from Social Distance Attachment Model
Real-world social networks often exhibit high levels of clustering, positive degree assortativity, short average path lengths (small-world property) and right-skewed but rarely power law degree distributions. On the other hand homophily, defined as the propensity of similar agents to connect to each other, is one of th...
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138,772
0704.3019
Arbitrary Rate Permutation Modulation for the Gaussian Channel
In this paper non-group permutation modulated sequences for the Gaussian channel are considered. Without the restriction to group codes rather than subsets of group codes, arbitrary rates are achievable. The code construction utilizes the known optimal group constellations to ensure at least the same performance but ex...
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83
2301.00884
Safety Filtering for Reinforcement Learning-based Adaptive Cruise Control
Reinforcement learning (RL)-based adaptive cruise control systems (ACC) that learn and adapt to road, traffic and vehicle conditions are attractive for enhancing vehicle energy efficiency and traffic flow. However, the application of RL in safety critical systems such as ACC requires strong safety guarantees which are ...
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339,052
1704.03137
Resolution-Adaptive Hybrid MIMO Architectures for Millimeter Wave Communications
In this paper, we propose a hybrid analog-digital beamforming architecture with resolution-adaptive ADCs for millimeter wave (mmWave) receivers with large antenna arrays. We adopt array response vectors for the analog combiners and derive ADC bit-allocation (BA) solutions in closed form. The BA solutions reveal that th...
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71,575
1301.2284
Classifier Learning with Supervised Marginal Likelihood
It has been argued that in supervised classification tasks, in practice it may be more sensible to perform model selection with respect to some more focused model selection score, like the supervised (conditional) marginal likelihood, than with respect to the standard marginal likelihood criterion. However, for most Ba...
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20,959
1210.2826
An anisotropy preserving metric for DTI processing
Statistical analysis of Diffusion Tensor Imaging (DTI) data requires a computational framework that is both numerically tractable (to account for the high dimensional nature of the data) and geometric (to account for the nonlinear nature of diffusion tensors). Building upon earlier studies that have shown that a Rieman...
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19,043
2210.02713
On Optimal Learning Under Targeted Data Poisoning
Consider the task of learning a hypothesis class $\mathcal{H}$ in the presence of an adversary that can replace up to an $\eta$ fraction of the examples in the training set with arbitrary adversarial examples. The adversary aims to fail the learner on a particular target test point $x$ which is known to the adversary b...
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321,757
2011.11866
Gaussian Processes for Traffic Speed Prediction at Different Aggregation Levels
Dynamic behavior of traffic adversely affect the performance of the prediction models in intelligent transportation applications. This study applies Gaussian processes (GPs) to traffic speed prediction. Such predictions can be used by various transportation applications, such as real-time route guidance, ramp metering,...
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207,971
1808.04571
Learning A Shared Transform Model for Skull to Digital Face Image Matching
Human skull identification is an arduous task, traditionally requiring the expertise of forensic artists and anthropologists. This paper is an effort to automate the process of matching skull images to digital face images, thereby establishing an identity of the skeletal remains. In order to achieve this, a novel Share...
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105,183
1201.1345
FITS Checksum Proposal
The checksum keywords described here provide an integrity check on the information contained in FITS HDUs. (Header and Data Units are the basic components of FITS files, consisting of header keyword records followed by optional associated data records). The CHECKSUM keyword is defined to have a value that forces the 32...
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13,706
1205.5569
A Theory of Information Matching
In this work, we propose a theory for information matching. It is motivated by the observation that retrieval is about the relevance matching between two sets of properties (features), namely, the information need representation and information item representation. However, many probabilistic retrieval models rely on f...
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16,166
1907.08236
SLATE: A Super-Lightweight Annotation Tool for Experts
Many annotation tools have been developed, covering a wide variety of tasks and providing features like user management, pre-processing, and automatic labeling. However, all of these tools use Graphical User Interfaces, and often require substantial effort to install and configure. This paper presents a new annotation ...
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139,055
1602.01940
Automatic and Quantitative evaluation of attribute discovery methods
Many automatic attribute discovery methods have been developed to extract a set of visual attributes from images for various tasks. However, despite good performance in some image classification tasks, it is difficult to evaluate whether these methods discover meaningful attributes and which one is the best to find the...
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51,767
2301.00688
Active Learning for Neural Machine Translation
The machine translation mechanism translates texts automatically between different natural languages, and Neural Machine Translation (NMT) has gained attention for its rational context analysis and fluent translation accuracy. However, processing low-resource languages that lack relevant training attributes like superv...
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338,987
1704.02497
On the Linearity of Semantic Change: Investigating Meaning Variation via Dynamic Graph Models
We consider two graph models of semantic change. The first is a time-series model that relates embedding vectors from one time period to embedding vectors of previous time periods. In the second, we construct one graph for each word: nodes in this graph correspond to time points and edge weights to the similarity of th...
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71,459
2012.04028
On-Road Motion Planning for Automated Vehicles at Ulm University
The Institute of Measurement, Control and Microtechnology at Ulm University investigates advanced driver assistance systems for decades and concentrates in large parts on autonomous driving. It is well known that motion planning is a key technology for autonomous driving. It is first and foremost responsible for the sa...
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210,319
1310.2086
An Iterative Method Applied to Correct the Actual Compressor Performance to the Equivalent Performance under the Specified Reference Conditions
This paper proposes a correction method, which corrects the actual compressor performance in real operating conditions to the equivalent performance under specified reference condition. The purpose is to make fair comparisons between actual performance against design performance or reference maps under the same operati...
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27,636
1609.05486
Probabilistic Feature Selection and Classification Vector Machine
Sparse Bayesian learning is a state-of-the-art supervised learning algorithm that can choose a subset of relevant samples from the input data and make reliable probabilistic predictions. However, in the presence of high-dimensional data with irrelevant features, traditional sparse Bayesian classifiers suffer from perfo...
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61,147
2011.14874
A Simple and Effective Approach to Robust Unsupervised Bilingual Dictionary Induction
Unsupervised Bilingual Dictionary Induction methods based on the initialization and the self-learning have achieved great success in similar language pairs, e.g., English-Spanish. But they still fail and have an accuracy of 0% in many distant language pairs, e.g., English-Japanese. In this work, we show that this failu...
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208,916
2210.15779
Adapting Neural Models with Sequential Monte Carlo Dropout
The ability to adapt to changing environments and settings is essential for robots acting in dynamic and unstructured environments or working alongside humans with varied abilities or preferences. This work introduces an extremely simple and effective approach to adapting neural models in response to changing settings....
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327,078
2206.01903
Deep Radiomic Analysis for Predicting Coronavirus Disease 2019 in Computerized Tomography and X-ray Images
This paper proposes to encode the distribution of features learned from a convolutional neural network using a Gaussian Mixture Model. These parametric features, called GMM-CNN, are derived from chest computed tomography and X-ray scans of patients with Coronavirus Disease 2019. We use the proposed GMM-CNN features as ...
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300,659
2010.14091
Triple-view Convolutional Neural Networks for COVID-19 Diagnosis with Chest X-ray
The Coronavirus Disease 2019 (COVID-19) is affecting increasingly large number of people worldwide, posing significant stress to the health care systems. Early and accurate diagnosis of COVID-19 is critical in screening of infected patients and breaking the person-to-person transmission. Chest X-ray (CXR) based compute...
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203,341
1705.01015
Deep Learning for Tumor Classification in Imaging Mass Spectrometry
Motivation: Tumor classification using Imaging Mass Spectrometry (IMS) data has a high potential for future applications in pathology. Due to the complexity and size of the data, automated feature extraction and classification steps are required to fully process the data. Deep learning offers an approach to learn featu...
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72,783
2411.02694
Point processes with event time uncertainty
Point processes are widely used statistical models for uncovering the temporal patterns in dependent event data. In many applications, the event time cannot be observed exactly, calling for the incorporation of time uncertainty into the modeling of point process data. In this work, we introduce a framework to model tim...
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505,616
1406.0349
Undecidability of satisfiability in the algebra of finite binary relations with union, composition, and difference
We consider expressions built up from binary relation names using the operators union, composition, and set difference. We show that it is undecidable to test whether a given such expression $e$ is finitely satisfiable, i.e., whether there exist finite binary relations that can be substituted for the relation names so ...
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true
33,552
2112.13029
Gaussian Process Bandits with Aggregated Feedback
We consider the continuum-armed bandits problem, under a novel setting of recommending the best arms within a fixed budget under aggregated feedback. This is motivated by applications where the precise rewards are impossible or expensive to obtain, while an aggregated reward or feedback, such as the average over a subs...
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273,123
1802.02696
Improving the Universality and Learnability of Neural Programmer-Interpreters with Combinator Abstraction
To overcome the limitations of Neural Programmer-Interpreters (NPI) in its universality and learnability, we propose the incorporation of combinator abstraction into neural programing and a new NPI architecture to support this abstraction, which we call Combinatory Neural Programmer-Interpreter (CNPI). Combinator abstr...
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89,828
1711.01761
AdaBatch: Efficient Gradient Aggregation Rules for Sequential and Parallel Stochastic Gradient Methods
We study a new aggregation operator for gradients coming from a mini-batch for stochastic gradient (SG) methods that allows a significant speed-up in the case of sparse optimization problems. We call this method AdaBatch and it only requires a few lines of code change compared to regular mini-batch SGD algorithms. We p...
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83,950
2104.09713
Hierarchically Modeling Micro and Macro Behaviors via Multi-Task Learning for Conversion Rate Prediction
Conversion Rate (\emph{CVR}) prediction in modern industrial e-commerce platforms is becoming increasingly important, which directly contributes to the final revenue. In order to address the well-known sample selection bias (\emph{SSB}) and data sparsity (\emph{DS}) issues encountered during CVR modeling, the abundant ...
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231,327
2408.08056
DATTA: Towards Diversity Adaptive Test-Time Adaptation in Dynamic Wild World
Test-time adaptation (TTA) effectively addresses distribution shifts between training and testing data by adjusting models on test samples, which is crucial for improving model inference in real-world applications. However, traditional TTA methods typically follow a fixed pattern to address the dynamic data patterns (l...
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480,835
1904.01920
CubiCasa5K: A Dataset and an Improved Multi-Task Model for Floorplan Image Analysis
Better understanding and modelling of building interiors and the emergence of more impressive AR/VR technology has brought up the need for automatic parsing of floorplan images. However, there is a clear lack of representative datasets to investigate the problem further. To address this shortcoming, this paper presents...
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126,284
1609.07257
Using Neural Network Formalism to Solve Multiple-Instance Problems
Many objects in the real world are difficult to describe by a single numerical vector of a fixed length, whereas describing them by a set of vectors is more natural. Therefore, Multiple instance learning (MIL) techniques have been constantly gaining on importance throughout last years. MIL formalism represents each obj...
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61,410
2203.06668
Towards Personalized Intelligence at Scale
Personalized Intelligence (PI) is the problem of providing customized AI experiences tailored to each individual user. In many applications, PI is preferred or even required. Existing personalization approaches involve fine-tuning pre-trained models to create new customized models. However, these approaches require a s...
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285,193
2412.20193
Imitation Learning from Suboptimal Demonstrations via Meta-Learning An Action Ranker
A major bottleneck in imitation learning is the requirement of a large number of expert demonstrations, which can be expensive or inaccessible. Learning from supplementary demonstrations without strict quality requirements has emerged as a powerful paradigm to address this challenge. However, previous methods often fai...
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521,127
1104.2059
Template-based matching using weight maps
Template matching is one of the most prevalent pattern recognition methods worldwide. It has found uses in most visual concept detection fields. In this work, we investigate methods for improving template matching by adjusting the weights of different regions of the template. We compare several weight maps and test the...
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9,948