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541k
2411.11135
Oscillation Inversion: Understand the structure of Large Flow Model through the Lens of Inversion Method
We explore the oscillatory behavior observed in inversion methods applied to large-scale text-to-image diffusion models, with a focus on the "Flux" model. By employing a fixed-point-inspired iterative approach to invert real-world images, we observe that the solution does not achieve convergence, instead oscillating be...
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508,928
2301.12473
Large Language Models for Biomedical Knowledge Graph Construction: Information extraction from EMR notes
The automatic construction of knowledge graphs (KGs) is an important research area in medicine, with far-reaching applications spanning drug discovery and clinical trial design. These applications hinge on the accurate identification of interactions among medical and biological entities. In this study, we propose an en...
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342,543
2104.05097
Pay attention to your loss: understanding misconceptions about 1-Lipschitz neural networks
Lipschitz constrained networks have gathered considerable attention in the deep learning community, with usages ranging from Wasserstein distance estimation to the training of certifiably robust classifiers. However they remain commonly considered as less accurate, and their properties in learning are still not fully u...
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false
false
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229,602
2211.09527
Ignore Previous Prompt: Attack Techniques For Language Models
Transformer-based large language models (LLMs) provide a powerful foundation for natural language tasks in large-scale customer-facing applications. However, studies that explore their vulnerabilities emerging from malicious user interaction are scarce. By proposing PromptInject, a prosaic alignment framework for mask-...
false
false
false
false
true
false
false
false
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false
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331,004
1908.03595
Adaptive Ensemble of Classifiers with Regularization for Imbalanced Data Classification
The dynamic ensemble selection of classifiers is an effective approach for processing label-imbalanced data classifications. However, such a technique is prone to overfitting, owing to the lack of regularization methods and the dependence of the aforementioned technique on local geometry. In this study, focusing on bin...
false
false
false
false
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false
false
141,268
1402.4029
Connecting Spiking Neurons to a Spiking Memristor Network Changes the Memristor Dynamics
Memristors have been suggested as neuromorphic computing elements. Spike-time dependent plasticity and the Hodgkin-Huxley model of the neuron have both been modelled effectively by memristor theory. The d.c. response of the memristor is a current spike. Based on these three facts we suggest that memristors are well-pla...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
true
30,924
0905.3582
Profiling of a network behind an infectious disease outbreak
Stochasticity and spatial heterogeneity are of great interest recently in studying the spread of an infectious disease. The presented method solves an inverse problem to discover the effectively decisive topology of a heterogeneous network and reveal the transmission parameters which govern the stochastic spreads over ...
false
false
false
false
true
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false
false
false
false
false
false
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3,743
2312.15856
SERF: Fine-Grained Interactive 3D Segmentation and Editing with Radiance Fields
Although significant progress has been made in the field of 2D-based interactive editing, fine-grained 3D-based interactive editing remains relatively unexplored. This limitation can be attributed to two main challenges: the lack of an efficient 3D representation robust to different modifications and the absence of an ...
false
false
false
false
false
false
false
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false
false
false
false
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418,161
0907.2089
Fast In-Memory XPath Search over Compressed Text and Tree Indexes
A large fraction of an XML document typically consists of text data. The XPath query language allows text search via the equal, contains, and starts-with predicates. Such predicates can efficiently be implemented using a compressed self-index of the document's text nodes. Most queries, however, contain some parts of qu...
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false
false
false
false
true
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4,090
2409.10357
2D or not 2D: How Does the Dimensionality of Gesture Representation Affect 3D Co-Speech Gesture Generation?
Co-speech gestures are fundamental for communication. The advent of recent deep learning techniques has facilitated the creation of lifelike, synchronous co-speech gestures for Embodied Conversational Agents. "In-the-wild" datasets, aggregating video content from platforms like YouTube via human pose detection technolo...
false
false
true
false
false
false
true
false
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false
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488,720
2304.02531
Learning to Compare Longitudinal Images
Longitudinal studies, where a series of images from the same set of individuals are acquired at different time-points, represent a popular technique for studying and characterizing temporal dynamics in biomedical applications. The classical approach for longitudinal comparison involves normalizing for nuisance variatio...
false
false
false
false
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true
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356,459
2008.09032
Sparse phase retrieval via Phaseliftoff
The aim of sparse phase retrieval is to recover a $k$-sparse signal $\mathbf{x}_0\in \mathbb{C}^{d}$ from quadratic measurements $|\langle \mathbf{a}_i,\mathbf{x}_0\rangle|^2$ where $\mathbf{a}_i\in \mathbb{C}^d, i=1,\ldots,m$. Noting $|\langle \mathbf{a}_i,\mathbf{x}_0\rangle|^2={\text{Tr}}(A_iX_0)$ with $A_i=\mathbf{...
false
false
false
false
false
false
false
false
false
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false
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192,589
2502.08599
SPeCtrum: A Grounded Framework for Multidimensional Identity Representation in LLM-Based Agent
Existing methods for simulating individual identities often oversimplify human complexity, which may lead to incomplete or flattened representations. To address this, we introduce SPeCtrum, a grounded framework for constructing authentic LLM agent personas by incorporating an individual's multidimensional self-concept....
false
false
false
false
false
false
false
false
true
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false
false
false
false
false
false
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533,074
2404.15655
Multi-Modal Proxy Learning Towards Personalized Visual Multiple Clustering
Multiple clustering has gained significant attention in recent years due to its potential to reveal multiple hidden structures of data from different perspectives. The advent of deep multiple clustering techniques has notably advanced the performance by uncovering complex patterns and relationships within large dataset...
false
false
false
false
false
false
false
false
false
false
false
true
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false
false
false
false
false
449,181
2302.12498
Scalable Unbalanced Sobolev Transport for Measures on a Graph
Optimal transport (OT) is a popular and powerful tool for comparing probability measures. However, OT suffers a few drawbacks: (i) input measures required to have the same mass, (ii) a high computational complexity, and (iii) indefiniteness which limits its applications on kernel-dependent algorithmic approaches. To ta...
false
false
false
false
false
false
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false
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347,591
1902.05300
On instabilities of deep learning in image reconstruction - Does AI come at a cost?
Deep learning, due to its unprecedented success in tasks such as image classification, has emerged as a new tool in image reconstruction with potential to change the field. In this paper we demonstrate a crucial phenomenon: deep learning typically yields unstablemethods for image reconstruction. The instabilities usual...
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false
false
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121,509
1901.08761
Distributed Policy Iteration for Scalable Approximation of Cooperative Multi-Agent Policies
Decision making in multi-agent systems (MAS) is a great challenge due to enormous state and joint action spaces as well as uncertainty, making centralized control generally infeasible. Decentralized control offers better scalability and robustness but requires mechanisms to coordinate on joint tasks and to avoid confli...
false
false
false
false
true
false
false
false
false
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false
false
false
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true
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false
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119,574
1804.06378
Graph-based Selective Outlier Ensembles
An ensemble technique is characterized by the mechanism that generates the components and by the mechanism that combines them. A common way to achieve the consensus is to enable each component to equally participate in the aggregation process. A problem with this approach is that poor components are likely to negativel...
false
false
false
false
false
false
true
false
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95,287
2107.10950
Pre-Clustering Point Clouds of Crop Fields Using Scalable Methods
In order to apply the recent successes of machine learning and automated plant phenotyping on a large scale using agricultural robotics, efficient and general algorithms must be designed to intelligently split crop fields into small, yet actionable, portions that can then be processed by more complex algorithms. In thi...
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false
false
false
false
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247,439
2410.06405
Tackling the Abstraction and Reasoning Corpus with Vision Transformers: the Importance of 2D Representation, Positions, and Objects
The Abstraction and Reasoning Corpus (ARC) is a popular benchmark focused on visual reasoning in the evaluation of Artificial Intelligence systems. In its original framing, an ARC task requires solving a program synthesis problem over small 2D images using a few input-output training pairs. In this work, we adopt the r...
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false
false
false
true
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496,184
2405.04370
Diff-IP2D: Diffusion-Based Hand-Object Interaction Prediction on Egocentric Videos
Understanding how humans would behave during hand-object interaction is vital for applications in service robot manipulation and extended reality. To achieve this, some recent works have been proposed to simultaneously forecast hand trajectories and object affordances on human egocentric videos. The joint prediction se...
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false
false
false
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452,546
2501.09822
pFedWN: A Personalized Federated Learning Framework for D2D Wireless Networks with Heterogeneous Data
Traditional Federated Learning (FL) approaches often struggle with data heterogeneity across clients, leading to suboptimal model performance for individual clients. To address this issue, Personalized Federated Learning (PFL) emerges as a solution to the challenges posed by non-independent and identically distributed ...
false
false
false
false
false
false
true
false
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false
false
true
525,285
1810.07354
Fault Tolerance in Iterative-Convergent Machine Learning
Machine learning (ML) training algorithms often possess an inherent self-correcting behavior due to their iterative-convergent nature. Recent systems exploit this property to achieve adaptability and efficiency in unreliable computing environments by relaxing the consistency of execution and allowing calculation errors...
false
false
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110,623
2408.14378
User-Access Point Association for High Density MIMO Wireless LANs
Wireless local area network (WLAN) access points (APs) are being deployed in high density to improve coverage and throughput. The emerging multiple-input multiple-output (MIMO) implementation for uplink (UL) transmissions promises high per-user throughput and improved aggregate network throughput. However, the high thr...
false
false
false
false
false
false
false
false
false
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false
false
false
false
false
false
true
483,512
1507.04457
Preference Completion: Large-scale Collaborative Ranking from Pairwise Comparisons
In this paper we consider the collaborative ranking setting: a pool of users each provides a small number of pairwise preferences between $d$ possible items; from these we need to predict preferences of the users for items they have not yet seen. We do so by fitting a rank $r$ score matrix to the pairwise data, and pro...
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false
false
false
false
false
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false
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false
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45,177
1910.07972
Adaptive Curriculum Generation from Demonstrations for Sim-to-Real Visuomotor Control
We propose Adaptive Curriculum Generation from Demonstrations (ACGD) for reinforcement learning in the presence of sparse rewards. Rather than designing shaped reward functions, ACGD adaptively sets the appropriate task difficulty for the learner by controlling where to sample from the demonstration trajectories and wh...
false
false
false
false
false
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149,748
2412.02626
Time-Reversal Provides Unsupervised Feedback to LLMs
Large Language Models (LLMs) are typically trained to predict in the forward direction of time. However, recent works have shown that prompting these models to look back and critique their own generations can produce useful feedback. Motivated by this, we explore the question of whether LLMs can be empowered to think (...
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false
false
false
true
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false
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513,611
2405.17633
HEART-felt Narratives: Tracing Empathy and Narrative Style in Personal Stories with LLMs
Empathy serves as a cornerstone in enabling prosocial behaviors, and can be evoked through sharing of personal experiences in stories. While empathy is influenced by narrative content, intuitively, people respond to the way a story is told as well, through narrative style. Yet the relationship between empathy and narra...
false
false
false
false
false
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458,034
1008.0425
Quantum Steganography and Quantum Error-Correction
In the current thesis we first talk about the six-qubit quantum error-correcting code and show its connections to entanglement-assisted error-correcting coding theory and then to subsystem codes. This code bridges the gap between the five-qubit (perfect) and Steane codes. We discuss two methods to encode one qubit into...
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false
false
false
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7,176
2105.09297
Extracting Variable-Depth Logical Document Hierarchy from Long Documents: Method, Evaluation, and Application
In this paper, we study the problem of extracting variable-depth "logical document hierarchy" from long documents, namely organizing the recognized "physical document objects" into hierarchical structures. The discovery of logical document hierarchy is the vital step to support many downstream applications. However, lo...
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false
false
false
true
true
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false
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236,028
2309.16400
Physics-Preserving AI-Accelerated Simulations of Plasma Turbulence
Turbulence in fluids, gases, and plasmas remains an open problem of both practical and fundamental importance. Its irreducible complexity usually cannot be tackled computationally in a brute-force style. Here, we combine Large Eddy Simulation (LES) techniques with Machine Learning (ML) to retain only the largest dynami...
false
false
false
false
true
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395,340
2408.07966
Addressing Skewed Heterogeneity via Federated Prototype Rectification with Personalization
Federated learning is an efficient framework designed to facilitate collaborative model training across multiple distributed devices while preserving user data privacy. A significant challenge of federated learning is data-level heterogeneity, i.e., skewed or long-tailed distribution of private data. Although various m...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
480,795
1903.07789
Predicting Citywide Crowd Flows in Irregular Regions Using Multi-View Graph Convolutional Networks
Being able to predict the crowd flows in each and every part of a city, especially in irregular regions, is strategically important for traffic control, risk assessment, and public safety. However, it is very challenging because of interactions and spatial correlations between different regions. In addition, it is affe...
false
false
false
false
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false
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false
false
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true
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124,697
1910.02249
Characterizing Membership Privacy in Stochastic Gradient Langevin Dynamics
Bayesian deep learning is recently regarded as an intrinsic way to characterize the weight uncertainty of deep neural networks~(DNNs). Stochastic Gradient Langevin Dynamics~(SGLD) is an effective method to enable Bayesian deep learning on large-scale datasets. Previous theoretical studies have shown various appealing p...
false
false
false
false
false
false
true
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false
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148,188
2410.04444
G\"odel Agent: A Self-Referential Agent Framework for Recursive Self-Improvement
The rapid advancement of large language models (LLMs) has significantly enhanced the capabilities of AI-driven agents across various tasks. However, existing agentic systems, whether based on fixed pipeline algorithms or pre-defined meta-learning frameworks, cannot search the whole agent design space due to the restric...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
495,283
2409.16968
Bridge to Real Environment with Hardware-in-the-loop for Wireless Artificial Intelligence Paradigms
Nowadays, many machine learning (ML) solutions to improve the wireless standard IEEE802.11p for Vehicular Adhoc Network (VANET) are commonly evaluated in the simulated world. At the same time, this approach could be cost-effective compared to real-world testing due to the high cost of vehicles. There is a risk of unexp...
false
false
false
false
false
false
true
false
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false
true
491,599
2310.20072
Automatic Evaluation of Generative Models with Instruction Tuning
Automatic evaluation of natural language generation has long been an elusive goal in NLP.A recent paradigm fine-tunes pre-trained language models to emulate human judgements for a particular task and evaluation criterion. Inspired by the generalization ability of instruction-tuned models, we propose a learned metric ba...
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false
false
false
false
false
true
false
true
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false
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404,241
2104.04144
Individual Explanations in Machine Learning Models: A Survey for Practitioners
In recent years, the use of sophisticated statistical models that influence decisions in domains of high societal relevance is on the rise. Although these models can often bring substantial improvements in the accuracy and efficiency of organizations, many governments, institutions, and companies are reluctant to their...
false
false
false
false
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229,303
2006.04093
Multi-view Contrastive Learning for Online Knowledge Distillation
Previous Online Knowledge Distillation (OKD) often carries out mutually exchanging probability distributions, but neglects the useful representational knowledge. We therefore propose Multi-view Contrastive Learning (MCL) for OKD to implicitly capture correlations of feature embeddings encoded by multiple peer networks,...
false
false
false
false
false
false
true
false
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true
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false
false
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false
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180,557
1401.2545
Design and Development of a User Specific Dynamic E-Magazine
Internet and electronic media gaining more popularity due to ease and speed, the count of Internet users has increased tremendously. The world is moving faster each day with several events taking place at once and the Internet is flooded with information in every field. There are categories of information ranging from ...
false
false
false
false
false
true
false
false
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false
false
29,756
1901.09997
Quasi-Newton Methods for Machine Learning: Forget the Past, Just Sample
We present two sampled quasi-Newton methods (sampled LBFGS and sampled LSR1) for solving empirical risk minimization problems that arise in machine learning. Contrary to the classical variants of these methods that sequentially build Hessian or inverse Hessian approximations as the optimization progresses, our proposed...
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false
false
false
false
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119,894
1606.01932
Inference of Causal Information Flow in Collective Animal Behavior
Understanding and even defining what constitutes animal interactions remains a challenging problem. Correlational tools may be inappropriate for detecting communication between a set of many agents exhibiting nonlinear behavior. A different approach is to define coordinated motions in terms of an information theoretic ...
false
false
false
false
false
false
false
false
false
true
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false
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56,879
2206.14452
Deep Multiple Instance Learning For Forecasting Stock Trends Using Financial News
A major source of information can be taken from financial news articles, which have some correlations about the fluctuation of stock trends. In this paper, we investigate the influences of financial news on the stock trends, from a multi-instance view. The intuition behind this is based on the news uncertainty of varyi...
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false
false
false
false
false
true
false
false
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305,292
2102.12593
AniGAN: Style-Guided Generative Adversarial Networks for Unsupervised Anime Face Generation
In this paper, we propose a novel framework to translate a portrait photo-face into an anime appearance. Our aim is to synthesize anime-faces which are style-consistent with a given reference anime-face. However, unlike typical translation tasks, such anime-face translation is challenging due to complex variations of a...
false
false
false
false
true
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221,775
1801.07246
Distributed Frequency Offsets Estimation
In this paper, we provide a distributed frequency offset estimation algorithm based on a variant of belief propagation (BP). Each agent in the network pre-compensates its carrier frequency individually so that there is no frequency offset from the desired carrier frequency between each pair of transceiver. The pre-comp...
false
false
false
false
false
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88,754
2407.21359
ProSpec RL: Plan Ahead, then Execute
Imagining potential outcomes of actions before execution helps agents make more informed decisions, a prospective thinking ability fundamental to human cognition. However, mainstream model-free Reinforcement Learning (RL) methods lack the ability to proactively envision future scenarios, plan, and guide strategies. The...
false
false
false
false
true
true
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477,508
1909.05477
Maximum Likelihood Constraint Inference for Inverse Reinforcement Learning
While most approaches to the problem of Inverse Reinforcement Learning (IRL) focus on estimating a reward function that best explains an expert agent's policy or demonstrated behavior on a control task, it is often the case that such behavior is more succinctly represented by a simple reward combined with a set of hard...
false
false
false
false
true
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145,109
2211.17093
CutFEM forward modeling for EEG source analysis
Source analysis of Electroencephalography (EEG) data requires the computation of the scalp potential induced by current sources in the brain. This so-called EEG forward problem is based on an accurate estimation of the volume conduction effects in the human head, represented by a partial differential equation which can...
false
true
false
false
false
false
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false
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333,857
1501.00677
Group-based ranking method for online rating systems with spamming attacks
Ranking problem has attracted much attention in real systems. How to design a robust ranking method is especially significant for online rating systems under the threat of spamming attacks. By building reputation systems for users, many well-performed ranking methods have been applied to address this issue. In this Let...
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false
false
false
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true
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39,015
1809.02104
Are adversarial examples inevitable?
A wide range of defenses have been proposed to harden neural networks against adversarial attacks. However, a pattern has emerged in which the majority of adversarial defenses are quickly broken by new attacks. Given the lack of success at generating robust defenses, we are led to ask a fundamental question: Are advers...
false
false
false
false
false
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106,960
2408.04441
Causal Inference in Social Platforms Under Approximate Interference Networks
Estimating the total treatment effect (TTE) of a new feature in social platforms is crucial for understanding its impact on user behavior. However, the presence of network interference, which arises from user interactions, often complicates this estimation process. Experimenters typically face challenges in fully captu...
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false
false
true
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false
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479,389
2411.19297
Enhancing Parameter-Efficient Fine-Tuning of Vision Transformers through Frequency-Based Adaptation
Adapting vision transformer foundation models through parameter-efficient fine-tuning (PEFT) methods has become increasingly popular. These methods optimize a limited subset of parameters, enabling efficient adaptation without the need to fine-tune the entire model while still achieving competitive performance. However...
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false
false
false
false
false
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true
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512,193
1904.05449
Analyzing Dynamical Brain Functional Connectivity As Trajectories on Space of Covariance Matrices
Human brain functional connectivity (FC) is often measured as the similarity of functional MRI responses across brain regions when a brain is either resting or performing a task. This paper aims to statistically analyze the dynamic nature of FC by representing the collective time-series data, over a set of brain region...
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false
false
false
false
false
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true
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false
127,319
2111.11089
Monocular Road Planar Parallax Estimation
Estimating the 3D structure of the drivable surface and surrounding environment is a crucial task for assisted and autonomous driving. It is commonly solved either by using 3D sensors such as LiDAR or directly predicting the depth of points via deep learning. However, the former is expensive, and the latter lacks the u...
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267,544
2111.11638
Network In Graph Neural Network
Graph Neural Networks (GNNs) have shown success in learning from graph structured data containing node/edge feature information, with application to social networks, recommendation, fraud detection and knowledge graph reasoning. In this regard, various strategies have been proposed in the past to improve the expressive...
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false
false
false
false
false
true
false
false
false
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false
false
false
false
false
false
false
267,724
1904.11266
Discrete Optimal Graph Clustering
Graph based clustering is one of the major clustering methods. Most of it work in three separate steps: similarity graph construction, clustering label relaxing and label discretization with k-means. Such common practice has three disadvantages: 1) the predefined similarity graph is often fixed and may not be optimal f...
false
false
false
false
false
true
true
false
false
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false
false
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false
false
128,824
1806.06183
The Neural Painter: Multi-Turn Image Generation
In this work we combine two research threads from Vision/ Graphics and Natural Language Processing to formulate an image generation task conditioned on attributes in a multi-turn setting. By multiturn, we mean the image is generated in a series of steps of user-specified conditioning information. Our proposed approach ...
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false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
100,647
2003.07096
Towards a Collaborative Approach to Decision Making Based on Ontology and Multi-Agent System Application to crisis management
The coordination and cooperation of all the stakeholders involved is a decisive point for the control and the resolution of problems. In the insecurity events, the resolution should refer to a plan that defines a general framework of the procedures to be undertaken and the instructions to be complied with; also, a more...
false
false
false
false
true
false
false
false
false
false
false
false
false
true
false
false
false
false
168,332
2302.01892
Nonconvex Distributed Feedback Optimization for Aggregative Cooperative Robotics
Distributed aggregative optimization is a recently emerged framework in which the agents of a network want to minimize the sum of local objective functions, each one depending on the agent decision variable (e.g., the local position of a team of robots) and an aggregation of all the agents' variables (e.g., the team ba...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
343,782
2307.16426
High Dynamic Range Image Reconstruction via Deep Explicit Polynomial Curve Estimation
Due to limited camera capacities, digital images usually have a narrower dynamic illumination range than real-world scene radiance. To resolve this problem, High Dynamic Range (HDR) reconstruction is proposed to recover the dynamic range to better represent real-world scenes. However, due to different physical imaging ...
false
false
false
false
true
false
false
false
false
false
false
true
false
false
false
false
false
false
382,605
2409.19370
MambaEviScrib: Mamba and Evidence-Guided Consistency Enhance CNN Robustness for Scribble-Based Weakly Supervised Ultrasound Image Segmentation
Segmenting anatomical structures and lesions from ultrasound images contributes to disease assessment. Weakly supervised learning (WSL) based on sparse annotation has achieved encouraging performance and demonstrated the potential to reduce annotation costs. This study attempts to introduce scribble-based WSL into ultr...
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false
false
false
false
false
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true
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false
false
492,646
2402.16312
Federated Contextual Cascading Bandits with Asynchronous Communication and Heterogeneous Users
We study the problem of federated contextual combinatorial cascading bandits, where $|\mathcal{U}|$ agents collaborate under the coordination of a central server to provide tailored recommendations to the $|\mathcal{U}|$ corresponding users. Existing works consider either a synchronous framework, necessitating full age...
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false
false
false
true
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true
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false
432,509
2104.11401
Intentional Deep Overfit Learning (IDOL): A Novel Deep Learning Strategy for Adaptive Radiation Therapy
In this study, we propose a tailored DL framework for patient-specific performance that leverages the behavior of a model intentionally overfitted to a patient-specific training dataset augmented from the prior information available in an ART workflow - an approach we term Intentional Deep Overfit Learning (IDOL). Impl...
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false
false
false
false
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true
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true
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false
false
231,897
2406.11912
AgileCoder: Dynamic Collaborative Agents for Software Development based on Agile Methodology
Software agents have emerged as promising tools for addressing complex software engineering tasks. Existing works, on the other hand, frequently oversimplify software development workflows, despite the fact that such workflows are typically more complex in the real world. Thus, we propose AgileCoder, a multi agent syst...
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false
false
false
true
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true
465,139
1210.7719
Robustness, Canalyzing Functions and Systems Design
We study a notion of robustness of a Markov kernel that describes a system of several input random variables and one output random variable. Robustness requires that the behaviour of the system does not change if one or several of the input variables are knocked out. If the system is required to be robust against too m...
false
false
false
false
false
false
false
false
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false
true
false
false
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false
false
19,455
2410.02840
Overcoming Representation Bias in Fairness-Aware data Repair using Optimal Transport
Optimal transport (OT) has an important role in transforming data distributions in a manner which engenders fairness. Typically, the OT operators are learnt from the unfair attribute-labelled data, and then used for their repair. Two significant limitations of this approach are as follows: (i) the OT operators for unde...
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false
false
false
false
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true
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494,496
2002.10329
KBSET -- Knowledge-Based Support for Scholarly Editing and Text Processing with Declarative LaTeX Markup and a Core Written in SWI-Prolog
KBSET is an environment that provides support for scholarly editing in two flavors: First, as a practical tool KBSET/Letters that accompanies the development of editions of correspondences (in particular from the 18th and 19th century), completely from source documents to PDF and HTML presentations. Second, as a protot...
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false
false
false
true
false
false
false
true
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false
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false
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false
false
165,368
2006.11223
Unified Representation Learning for Efficient Medical Image Analysis
Medical image analysis typically includes several tasks such as enhancement, segmentation, and classification. Traditionally, these tasks are implemented using separate deep learning models for separate tasks, which is not efficient because it involves unnecessary training repetitions, demands greater computational res...
false
false
false
false
false
false
true
false
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false
true
false
false
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false
false
false
183,148
1908.02118
A Public Network Trace of a Control and Automation System
The increasing number of attacks against automation systems such as SCADA and their network infrastructure have demonstrated that there is a need to secure those systems. Unfortunately, directly applying existing ICT security mechanisms to automation systems is hard due to constraints of the latter, such as availabilit...
false
false
false
false
false
false
false
false
false
false
true
false
true
false
false
false
false
true
140,926
2501.07260
Skip Mamba Diffusion for Monocular 3D Semantic Scene Completion
3D semantic scene completion is critical for multiple downstream tasks in autonomous systems. It estimates missing geometric and semantic information in the acquired scene data. Due to the challenging real-world conditions, this task usually demands complex models that process multi-modal data to achieve acceptable per...
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false
false
false
true
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true
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false
false
524,333
2111.09056
Improving Person Re-Identification with Temporal Constraints
In this paper we introduce an image-based person re-identification dataset collected across five non-overlapping camera views in the large and busy airport in Dublin, Ireland. Unlike all publicly available image-based datasets, our dataset contains timestamp information in addition to frame number, and camera and perso...
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false
false
false
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false
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false
true
266,891
2207.03667
Identification of Intraday False Data Injection Attack on DER Dispatch Signals
The urgent need for the decarbonization of power girds has accelerated the integration of renewable energy. Concurrently the increasing distributed energy resources (DER) and advanced metering infrastructures (AMI) have transformed the power grids into a more sophisticated cyber-physical system with numerous communicat...
false
false
false
false
false
false
false
false
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true
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false
false
false
306,932
2408.01336
Sparse Linear Regression when Noises and Covariates are Heavy-Tailed and Contaminated by Outliers
We investigate a problem estimating coefficients of linear regression under sparsity assumption when covariates and noises are sampled from heavy tailed distributions. Additionally, we consider the situation where not only covariates and noises are sampled from heavy tailed distributions but also contaminated by outlie...
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false
false
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false
478,193
1905.12717
An adaptive nearest neighbor rule for classification
We introduce a variant of the $k$-nearest neighbor classifier in which $k$ is chosen adaptively for each query, rather than supplied as a parameter. The choice of $k$ depends on properties of each neighborhood, and therefore may significantly vary between different points. (For example, the algorithm will use larger $k...
false
false
false
false
true
false
true
false
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false
132,850
1601.04669
The Image Torque Operator for Contour Processing
Contours are salient features for image description, but the detection and localization of boundary contours is still considered a challenging problem. This paper introduces a new tool for edge processing implementing the Gestaltism idea of edge grouping. This tool is a mid-level image operator, called the Torque opera...
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false
false
false
false
false
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false
true
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false
false
false
51,048
2207.01696
TM2T: Stochastic and Tokenized Modeling for the Reciprocal Generation of 3D Human Motions and Texts
Inspired by the strong ties between vision and language, the two intimate human sensing and communication modalities, our paper aims to explore the generation of 3D human full-body motions from texts, as well as its reciprocal task, shorthanded for text2motion and motion2text, respectively. To tackle the existing chall...
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false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
306,256
1802.00714
Incremental Control and Guidance of Hybrid Aircraft Applied to a Tailsitter UAV
Hybrid unmanned aircraft can significantly increase the potential of micro air vehicles, because they combine hovering capability with a wing for fast and efficient forward flight. However, these vehicles are very difficult to control, because their aerodynamics are hard to model and they are susceptible to wind gusts....
false
false
false
false
false
false
false
true
false
false
true
false
false
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false
false
89,460
2206.13415
Is the Language Familiarity Effect gradual? A computational modelling approach
According to the Language Familiarity Effect (LFE), people are better at discriminating between speakers of their native language. Although this cognitive effect was largely studied in the literature, experiments have only been conducted on a limited number of language pairs and their results only show the presence of ...
false
false
true
false
false
false
false
false
true
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false
false
304,960
2002.06916
Implementing Dynamic Answer Set Programming
We introduce an implementation of an extension of Answer Set Programming (ASP) with language constructs from dynamic (and temporal) logic that provides an expressive computational framework for modeling dynamic applications. Starting from logical foundations, provided by dynamic and temporal equilibrium logics over fin...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
true
164,340
2405.03484
Whispy: Adapting STT Whisper Models to Real-Time Environments
Large general-purpose transformer models have recently become the mainstay in the realm of speech analysis. In particular, Whisper achieves state-of-the-art results in relevant tasks such as speech recognition, translation, language identification, and voice activity detection. However, Whisper models are not designed ...
false
false
true
false
false
false
true
false
false
false
false
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false
false
452,201
2311.02398
CDR-Adapter: Learning Adapters to Dig Out More Transferring Ability for Cross-Domain Recommendation Models
Data sparsity and cold-start problems are persistent challenges in recommendation systems. Cross-domain recommendation (CDR) is a promising solution that utilizes knowledge from the source domain to improve the recommendation performance in the target domain. Previous CDR approaches have mainly followed the Embedding a...
false
false
false
true
true
true
true
false
false
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false
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false
false
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false
false
405,427
2012.13240
Robotic Following of Flexible Extended Objects: Relevant Technical Facts on the Kinematics of a Moving Continuum
The paper offers general technical facts on the kinematics of a moving continuum involved in research on robotic following of flexible extended objects.
false
false
false
false
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false
213,165
2402.05952
Advancing Graph Representation Learning with Large Language Models: A Comprehensive Survey of Techniques
The integration of Large Language Models (LLMs) with Graph Representation Learning (GRL) marks a significant evolution in analyzing complex data structures. This collaboration harnesses the sophisticated linguistic capabilities of LLMs to improve the contextual understanding and adaptability of graph models, thereby br...
false
false
false
false
true
false
true
false
true
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false
false
false
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false
false
false
428,082
2408.14764
SynthDoc: Bilingual Documents Synthesis for Visual Document Understanding
This paper introduces SynthDoc, a novel synthetic document generation pipeline designed to enhance Visual Document Understanding (VDU) by generating high-quality, diverse datasets that include text, images, tables, and charts. Addressing the challenges of data acquisition and the limitations of existing datasets, Synth...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
483,663
2407.00679
Multi-Task Learning for Affect Analysis
This Project was my Undergraduate Final Year dissertation, supervised by Dimitrios Kollias This research delves into the realm of affective computing for image analysis, aiming to enhance the efficiency and effectiveness of multi-task learning in the context of emotion recognition. This project investigates two primary...
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false
false
false
false
false
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false
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true
false
false
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false
468,968
2302.06951
Few-shot learning approaches for classifying low resource domain specific software requirements
With the advent of strong pre-trained natural language processing models like BERT, DeBERTa, MiniLM, T5, the data requirement for industries to fine-tune these models to their niche use cases has drastically reduced (typically to a few hundred annotated samples for achieving a reasonable performance). However, the avai...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
345,590
1112.5670
Residual, restarting and Richardson iteration for the matrix exponential, revised
A well-known problem in computing some matrix functions iteratively is the lack of a clear, commonly accepted residual notion. An important matrix function for which this is the case is the matrix exponential. Suppose the matrix exponential of a given matrix times a given vector has to be computed. We develop the appro...
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true
false
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false
13,580
2107.07732
Robust Online Control with Model Misspecification
We study online control of an unknown nonlinear dynamical system that is approximated by a time-invariant linear system with model misspecification. Our study focuses on robustness, a measure of how much deviation from the assumed linear approximation can be tolerated by a controller while maintaining finite $\ell_2$-g...
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false
false
false
false
false
true
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false
246,509
2410.14827
Making LLMs Vulnerable to Prompt Injection via Poisoning Alignment
In a prompt injection attack, an attacker injects a prompt into the original one, aiming to make the LLM follow the injected prompt and perform a task chosen by the attacker. Existing prompt injection attacks primarily focus on how to blend the injected prompt into the original prompt without altering the LLM itself. O...
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false
false
false
true
false
true
false
true
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false
true
false
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false
false
false
500,228
2108.04890
On the Effect of Pruning on Adversarial Robustness
Pruning is a well-known mechanism for reducing the computational cost of deep convolutional networks. However, studies have shown the potential of pruning as a form of regularization, which reduces overfitting and improves generalization. We demonstrate that this family of strategies provides additional benefits beyond...
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false
false
false
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true
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false
250,139
2107.05357
Hate versus Politics: Detection of Hate against Policy makers in Italian tweets
Accurate detection of hate speech against politicians, policy making and political ideas is crucial to maintain democracy and free speech. Unfortunately, the amount of labelled data necessary for training models to detect hate speech are limited and domain-dependent. In this paper, we address the issue of classificatio...
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false
false
false
false
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false
true
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245,752
1102.5448
Continuous Multiclass Labeling Approaches and Algorithms
We study convex relaxations of the image labeling problem on a continuous domain with regularizers based on metric interaction potentials. The generic framework ensures existence of minimizers and covers a wide range of relaxations of the originally combinatorial problem. We focus on two specific relaxations that diffe...
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false
9,387
2411.07138
Nuremberg Letterbooks: A Multi-Transcriptional Dataset of Early 15th Century Manuscripts for Document Analysis
Most datasets in the field of document analysis utilize highly standardized labels, which, while simplifying specific tasks, often produce outputs that are not directly applicable to humanities research. In contrast, the Nuremberg Letterbooks dataset, which comprises historical documents from the early 15th century, ad...
false
false
false
false
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true
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false
507,409
2306.05317
CUED at ProbSum 2023: Hierarchical Ensemble of Summarization Models
In this paper, we consider the challenge of summarizing patients' medical progress notes in a limited data setting. For the Problem List Summarization (shared task 1A) at the BioNLP Workshop 2023, we demonstrate that Clinical-T5 fine-tuned to 765 medical clinic notes outperforms other extractive, abstractive and zero-s...
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false
false
false
false
false
false
false
true
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false
false
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false
false
372,146
1304.7095
Proximity Factors of Lattice Reduction-Aided Precoding for Multiantenna Broadcast
Lattice precoding is an effective strategy for multiantenna broadcast. In this paper, we show that approximate lattice precoding in multiantenna broadcast is a variant of the closest vector problem (CVP) known as $\eta$-CVP. The proximity factors of lattice reduction-aided precoding are defined, and their bounds are de...
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true
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false
24,220
2309.01063
Semi-supervised 3D Video Information Retrieval with Deep Neural Network and Bi-directional Dynamic-time Warping Algorithm
This paper presents a novel semi-supervised deep learning algorithm for retrieving similar 2D and 3D videos based on visual content. The proposed approach combines the power of deep convolutional and recurrent neural networks with dynamic time warping as a similarity measure. The proposed algorithm is designed to handl...
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false
false
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true
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389,522
2202.07464
Excitement Surfeited Turns to Errors: Deep Learning Testing Framework Based on Excitable Neurons
Despite impressive capabilities and outstanding performance, deep neural networks (DNNs) have captured increasing public concern about their security problems, due to their frequently occurred erroneous behaviors. Therefore, it is necessary to conduct a systematical testing for DNNs before they are deployed to real-wor...
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false
false
false
true
false
true
false
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true
true
false
false
false
false
false
280,558
2209.13008
USE-Evaluator: Performance Metrics for Medical Image Segmentation Models with Uncertain, Small or Empty Reference Annotations
Performance metrics for medical image segmentation models are used to measure the agreement between the reference annotation and the predicted segmentation. Usually, overlap metrics, such as the Dice, are used as a metric to evaluate the performance of these models in order for results to be comparable. However, there ...
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false
false
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319,733
2101.07077
Yet Another Representation of Binary Decision Trees: A Mathematical Demonstration
A decision tree looks like a simple directed acyclic computational graph, where only the leaf nodes specify the output values and the non-terminals specify their tests or split conditions. From the numerical perspective, we express decision trees in the language of computational graph. We explicitly parameterize the te...
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215,933
2205.13521
Discovering Policies with DOMiNO: Diversity Optimization Maintaining Near Optimality
Finding different solutions to the same problem is a key aspect of intelligence associated with creativity and adaptation to novel situations. In reinforcement learning, a set of diverse policies can be useful for exploration, transfer, hierarchy, and robustness. We propose DOMiNO, a method for Diversity Optimization M...
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298,964