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541k
2106.15339
SpreadsheetCoder: Formula Prediction from Semi-structured Context
Spreadsheet formula prediction has been an important program synthesis problem with many real-world applications. Previous works typically utilize input-output examples as the specification for spreadsheet formula synthesis, where each input-output pair simulates a separate row in the spreadsheet. However, this formula...
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false
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false
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false
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243,722
2406.02336
Polynomial-Augmented Neural Networks (PANNs) with Weak Orthogonality Constraints for Enhanced Function and PDE Approximation
We present polynomial-augmented neural networks (PANNs), a novel machine learning architecture that combines deep neural networks (DNNs) with a polynomial approximant. PANNs combine the strengths of DNNs (flexibility and efficiency in higher-dimensional approximation) with those of polynomial approximation (rapid conve...
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false
false
false
false
false
true
false
false
false
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false
false
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460,725
2406.06465
AID: Adapting Image2Video Diffusion Models for Instruction-guided Video Prediction
Text-guided video prediction (TVP) involves predicting the motion of future frames from the initial frame according to an instruction, which has wide applications in virtual reality, robotics, and content creation. Previous TVP methods make significant breakthroughs by adapting Stable Diffusion for this task. However, ...
false
false
false
false
true
false
true
false
true
false
false
true
false
false
false
false
false
true
462,590
2405.13300
FAITH: Frequency-domain Attention In Two Horizons for Time Series Forecasting
Time Series Forecasting plays a crucial role in various fields such as industrial equipment maintenance, meteorology, energy consumption, traffic flow and financial investment. However, despite their considerable advantages over traditional statistical approaches, current deep learning-based predictive models often exh...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
455,884
2003.02929
Flexible Bayesian Nonlinear Model Configuration
Regression models are used in a wide range of applications providing a powerful scientific tool for researchers from different fields. Linear, or simple parametric, models are often not sufficient to describe complex relationships between input variables and a response. Such relationships can be better described throug...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
167,071
2409.18108
Language-Embedded Gaussian Splats (LEGS): Incrementally Building Room-Scale Representations with a Mobile Robot
Building semantic 3D maps is valuable for searching for objects of interest in offices, warehouses, stores, and homes. We present a mapping system that incrementally builds a Language-Embedded Gaussian Splat (LEGS): a detailed 3D scene representation that encodes both appearance and semantics in a unified representatio...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
492,108
1709.00268
Algorithmically probable mutations reproduce aspects of evolution such as convergence rate, genetic memory, and modularity
Natural selection explains how life has evolved over millions of years from more primitive forms. The speed at which this happens, however, has sometimes defied formal explanations when based on random (uniformly distributed) mutations. Here we investigate the application of a simplicity bias based on a natural but alg...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
false
false
79,876
1903.11916
Intelligent Processing in Vehicular Ad hoc Networks: a Survey
The intelligent Processing technique is more and more attractive to researchers due to its ability to deal with key problems in Vehicular Ad hoc networks. However, several problems in applying intelligent processing technologies in VANETs remain open. The existing applications are comprehensively reviewed and discussed...
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false
false
false
true
false
false
false
false
false
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false
false
false
false
false
false
true
125,607
2409.10141
PSHuman: Photorealistic Single-view Human Reconstruction using Cross-Scale Diffusion
Detailed and photorealistic 3D human modeling is essential for various applications and has seen tremendous progress. However, full-body reconstruction from a monocular RGB image remains challenging due to the ill-posed nature of the problem and sophisticated clothing topology with self-occlusions. In this paper, we pr...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
488,633
2102.09462
Equivariant Spherical Deconvolution: Learning Sparse Orientation Distribution Functions from Spherical Data
We present a rotation-equivariant unsupervised learning framework for the sparse deconvolution of non-negative scalar fields defined on the unit sphere. Spherical signals with multiple peaks naturally arise in Diffusion MRI (dMRI), where each voxel consists of one or more signal sources corresponding to anisotropic tis...
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false
false
false
false
false
true
false
false
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true
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false
false
false
220,782
1910.01863
Template-free Data-to-Text Generation of Finnish Sports News
News articles such as sports game reports are often thought to closely follow the underlying game statistics, but in practice they contain a notable amount of background knowledge, interpretation, insight into the game, and quotes that are not present in the official statistics. This poses a challenge for automated dat...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
148,063
1811.10158
Reinforcement Learning for Uplift Modeling
Uplift modeling aims to directly model the incremental impact of a treatment on an individual response. In this work, we address the problem from a new angle and reformulate it as a Markov Decision Process (MDP). We conducted extensive experiments on both a synthetic dataset and real-world scenarios, and showed that ou...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
114,427
1902.01999
Testing Markov Chains without Hitting
We study the problem of identity testing of markov chains. In this setting, we are given access to a single trajectory from a markov chain with unknown transition matrix $Q$ and the goal is to determine whether $Q = P$ for some known matrix $P$ or $\text{Dist}(P, Q) \geq \epsilon$ where $\text{Dist}$ is suitably define...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
120,787
2102.09728
On a Variational Definition for the Jensen-Shannon Symmetrization of Distances based on the Information Radius
We generalize the Jensen-Shannon divergence by considering a variational definition with respect to a generic mean extending thereby the notion of Sibson's information radius. The variational definition applies to any arbitrary distance and yields another way to define a Jensen-Shannon symmetrization of distances. When...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
220,868
2402.10062
Optimal Parameter and Neuron Pruning for Out-of-Distribution Detection
For a machine learning model deployed in real world scenarios, the ability of detecting out-of-distribution (OOD) samples is indispensable and challenging. Most existing OOD detection methods focused on exploring advanced training skills or training-free tricks to prevent the model from yielding overconfident confidenc...
false
false
false
false
false
false
true
false
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false
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429,791
2006.11395
Deep Learning Based Single Sample Per Person Face Recognition: A Survey
Face recognition has long been an active research area in the field of artificial intelligence, particularly since the rise of deep learning in recent years. In some practical situations, each identity has only a single sample available for training. Face recognition under this situation is referred to as single sample...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
183,208
2207.13345
Traffic Sign Detection With Event Cameras and DCNN
In recent years, event cameras (DVS - Dynamic Vision Sensors) have been used in vision systems as an alternative or supplement to traditional cameras. They are characterised by high dynamic range, high temporal resolution, low latency, and reliable performance in limited lighting conditions -- parameters that are parti...
false
false
false
false
false
false
false
false
false
false
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true
false
false
false
false
false
false
310,279
1709.06669
A textual transform of multivariate time-series for prognostics
Prognostics or early detection of incipient faults is an important industrial challenge for condition-based and preventive maintenance. Physics-based approaches to modeling fault progression are infeasible due to multiple interacting components, uncontrolled environmental factors and observability constraints. Moreover...
false
false
false
false
false
false
true
false
false
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false
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false
false
false
81,147
1903.08858
Classification of EEG-Based Brain Connectivity Networks in Schizophrenia Using a Multi-Domain Connectome Convolutional Neural Network
We exploit altered patterns in brain functional connectivity as features for automatic discriminative analysis of neuropsychiatric patients. Deep learning methods have been introduced to functional network classification only very recently for fMRI, and the proposed architectures essentially focused on a single type of...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
124,926
2405.13555
A Perspective Analysis of Handwritten Signature Technology
Handwritten signatures are biometric traits at the center of debate in the scientific community. Over the last 40 years, the interest in signature studies has grown steadily, having as its main reference the application of automatic signature verification, as previously published reviews in 1989, 2000, and 2008 bear wi...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
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false
false
455,987
2008.11337
Comparison of Centralized and Decentralized Approaches in Cooperative Coverage Problems with Energy-Constrained Agents
A multi-agent coverage problem is considered with energy-constrained agents. The objective of this paper is to compare the coverage performance between centralized and decentralized approaches. To this end, a near-optimal centralized coverage control method is developed under energy depletion and repletion constraints....
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
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193,242
1910.02235
Cascaded Volumetric Convolutional Network for Kidney Tumor Segmentation from CT volumes
Automated segmentation of kidney and tumor from 3D CT scans is necessary for the diagnosis, monitoring, and treatment planning of the disease. In this paper, we describe a two-stage framework for kidney and tumor segmentation based on 3D fully convolutional network (FCN). The first stage preliminarily locate the kidney...
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false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
148,182
2111.01231
Switch Point biased Self-Training: Re-purposing Pretrained Models for Code-Switching
Code-switching (CS), a ubiquitous phenomenon due to the ease of communication it offers in multilingual communities still remains an understudied problem in language processing. The primary reasons behind this are: (1) minimal efforts in leveraging large pretrained multilingual models, and (2) the lack of annotated dat...
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false
false
false
false
false
false
false
true
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false
false
false
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false
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264,491
2303.02484
Multi-Symmetry Ensembles: Improving Diversity and Generalization via Opposing Symmetries
Deep ensembles (DE) have been successful in improving model performance by learning diverse members via the stochasticity of random initialization. While recent works have attempted to promote further diversity in DE via hyperparameters or regularizing loss functions, these methods primarily still rely on a stochastic ...
false
false
false
false
true
false
true
false
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349,379
2402.00620
Actor Identification in Discourse: A Challenge for LLMs?
The identification of political actors who put forward claims in public debate is a crucial step in the construction of discourse networks, which are helpful to analyze societal debates. Actor identification is, however, rather challenging: Often, the locally mentioned speaker of a claim is only a pronoun ("He proposed...
false
false
false
false
false
false
false
false
true
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425,658
2211.10418
Sample-efficient Quantum Born Machine through Coding Rate Reduction
The quantum circuit Born machine (QCBM) is a quantum physics inspired implicit generative model naturally suitable for learning binary images, with a potential advantage of modeling discrete distributions that are hard to simulate classically. As data samples are generated quantum-mechanically, QCBMs encompass a unique...
false
false
false
false
false
false
true
false
false
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false
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331,301
2412.04735
A dynamical measure of algorithmically infused visibility
This work focuses on the nature of visibility in societies where the behaviours of humans and algorithms influence each other - termed algorithmically infused societies. We propose a quantitative measure of visibility, with implications and applications to an array of disciplines including communication studies, politi...
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false
false
true
false
false
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false
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false
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true
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514,539
2203.12376
A Fast Diagnostic to Inform Screening of Discarded or Retired Batteries
With the increased pervasiveness of Lithium-ion batteries, there is growing concern for the amount of retired batteries that will be entering the waste stream. Although these batteries no longer meet the demands of their first application, many still have a significant portion of their initial capacity remaining for us...
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false
false
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287,249
2102.06282
A reproduction of Apple's bi-directional LSTM models for language identification in short strings
Language Identification is the task of identifying a document's language. For applications like automatic spell checker selection, language identification must use very short strings such as text message fragments. In this work, we reproduce a language identification architecture that Apple briefly sketched in a blog p...
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false
false
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false
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219,700
2403.13914
Database Dependencies and Formal Concept Analysis
This is an account of the characterization of database dependencies with Formal Concept Analysis.
false
false
false
false
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439,844
2107.09949
Online structural kernel selection for mobile health
Motivated by the need for efficient and personalized learning in mobile health, we investigate the problem of online kernel selection for Gaussian Process regression in the multi-task setting. We propose a novel generative process on the kernel composition for this purpose. Our method demonstrates that trajectories of ...
false
false
false
false
false
false
true
false
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false
false
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247,174
2109.04581
A Unified Model with Inertia Shaping for Highly Dynamic Jumps of Legged Robots
To achieve highly dynamic jumps of legged robots, it is essential to control the rotational dynamics of the robot. In this paper, we aim to improve the jumping performance by proposing a unified model for planning highly dynamic jumps that can approximately model the centroidal inertia. This model abstracts the robot a...
false
false
false
false
false
false
false
true
false
false
true
false
false
false
false
false
false
false
254,451
2104.13133
Breeding Diverse Packings for the Knapsack Problem by Means of Diversity-Tailored Evolutionary Algorithms
In practise, it is often desirable to provide the decision-maker with a rich set of diverse solutions of decent quality instead of just a single solution. In this paper we study evolutionary diversity optimization for the knapsack problem (KP). Our goal is to evolve a population of solutions that all have a profit of a...
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false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
false
232,409
2312.00372
Event-driven Real-time Retrieval in Web Search
Information retrieval in real-time search presents unique challenges distinct from those encountered in classical web search. These challenges are particularly pronounced due to the rapid change of user search intent, which is influenced by the occurrence and evolution of breaking news events, such as earthquakes, elec...
false
false
false
false
false
true
false
false
true
false
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false
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false
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false
false
false
412,028
2302.12784
STA: Self-controlled Text Augmentation for Improving Text Classifications
Despite recent advancements in Machine Learning, many tasks still involve working in low-data regimes which can make solving natural language problems difficult. Recently, a number of text augmentation techniques have emerged in the field of Natural Language Processing (NLP) which can enrich the training data with new ...
false
false
false
false
true
false
true
false
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347,692
2405.15879
Global Output-Feedback Extremum Seeking Control with Source Seeking Experiments
This paper discusses the design of an extremum seeking controller that relies on a monitoring function for a class of SISO uncertain nonlinear systems characterized by arbitrary and uncertain relative degree. Our demonstration illustrates the feasibility of achieving an arbitrarily small proximity to the desired optima...
false
false
false
false
false
false
false
false
false
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true
false
false
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false
false
457,141
1604.04789
A Hierarchical Genetic Optimization of a Fuzzy Logic System for Flow Control in Micro Grids
Bio-inspired algorithms like Genetic Algorithms and Fuzzy Inference Systems (FIS) are nowadays widely adopted as hybrid techniques in commercial and industrial environment. In this paper we present an interesting application of the fuzzy-GA paradigm to Smart Grids. The main aim consists in performing decision making fo...
false
false
false
false
true
false
false
false
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false
false
false
false
false
true
false
false
54,708
2101.01336
Joint Deep Reinforcement Learning and Unfolding: Beam Selection and Precoding for mmWave Multiuser MIMO with Lens Arrays
The millimeter wave (mmWave) multiuser multiple-input multiple-output (MU-MIMO) systems with discrete lens arrays (DLA) have received great attention due to their simple hardware implementation and excellent performance. In this work, we investigate the joint design of beam selection and digital precoding matrices for ...
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false
false
false
false
false
true
false
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false
false
214,340
2011.13726
AdS/Deep-Learning made easy: simple examples
Deep learning has been widely and actively used in various research areas. Recently, in the gauge/gravity duality, a new deep learning technique so-called the AdS/Deep-Learning (DL) has been proposed [1, 2]. The goal of this paper is to describe the essence of the AdS/DL in the simplest possible setups, for those who w...
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false
false
false
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false
true
false
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false
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208,574
2303.10725
SIESTA: Efficient Online Continual Learning with Sleep
In supervised continual learning, a deep neural network (DNN) is updated with an ever-growing data stream. Unlike the offline setting where data is shuffled, we cannot make any distributional assumptions about the data stream. Ideally, only one pass through the dataset is needed for computational efficiency. However, e...
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false
false
false
false
false
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352,559
2203.16941
A unified theory of learning
Recently machine learning using neural networks (NN) has been developed, and many new methods have been suggested. These methods are optimized for the type of input data and work very effectively, but they cannot be used with any kind of input data universally. On the other hand, the human brain is universal for any ki...
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false
false
false
false
false
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true
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true
false
false
288,988
1808.09270
Models for Predicting Community-Specific Interest in News Articles
In this work, we ask two questions: 1. Can we predict the type of community interested in a news article using only features from the article content? and 2. How well do these models generalize over time? To answer these questions, we compute well-studied content-based features on over 60K news articles from 4 communit...
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false
false
false
false
true
true
false
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false
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106,147
1109.1409
A georeferenced Agent-Based Model to analyze the climate change impacts on the Andorra winter tourism
This study presents a georeferenced agent-based model to analyze the climate change impacts on the ski industry in Andorra and the effect of snowmaking as future adaptation strategy. The present study is the first attempt to analyze the ski industry in the Pyrenees region and will contribute to a better understanding o...
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false
false
false
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false
true
false
false
false
12,026
2303.18021
A flatness-based saturated controller design for a quadcopter with experimental validation
Using the properties of differential flatness, a controllable system, such as a quadcoper model, may be transformed into a linear equivalent system via a coordinate change and an input mapping. This is a straightforward advantage for the quadcopter's controller design and its real-time implementation. However, one sign...
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false
false
false
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false
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false
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355,439
2209.05738
RTAW: An Attention Inspired Reinforcement Learning Method for Multi-Robot Task Allocation in Warehouse Environments
We present a novel reinforcement learning based algorithm for multi-robot task allocation problem in warehouse environments. We formulate it as a Markov Decision Process and solve via a novel deep multi-agent reinforcement learning method (called RTAW) with attention inspired policy architecture. Hence, our proposed po...
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false
false
false
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false
true
false
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true
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317,192
2112.04981
PE-former: Pose Estimation Transformer
Vision transformer architectures have been demonstrated to work very effectively for image classification tasks. Efforts to solve more challenging vision tasks with transformers rely on convolutional backbones for feature extraction. In this paper we investigate the use of a pure transformer architecture (i.e., one wit...
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false
false
false
false
false
true
false
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true
false
false
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270,706
2306.03647
Proximal Symmetric Non-negative Latent Factor Analysis: A Novel Approach to Highly-Accurate Representation of Undirected Weighted Networks
An Undirected Weighted Network (UWN) is commonly found in big data-related applications. Note that such a network's information connected with its nodes, and edges can be expressed as a Symmetric, High-Dimensional and Incomplete (SHDI) matrix. However, existing models fail in either modeling its intrinsic symmetry or l...
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false
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371,427
1401.2101
NoSQL Databases
In this document, I present the main notions of NoSQL databases and compare four selected products (Riak, MongoDB, Cassandra, Neo4J) according to their capabilities with respect to consistency, availability, and partition tolerance, as well as performance. I also propose a few criteria for selecting the right tool for ...
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false
false
false
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29,714
2209.13094
Efficient Image Denoising by Low-Rank Singular Vector Approximations of Geodesics' Gramian Matrix
With the advent of sophisticated cameras, the urge to capture high-quality images has grown enormous. However, the noise contamination of the images results in substandard expectations among the people; thus, image denoising is an essential pre-processing step. While the algebraic image processing frameworks are someti...
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false
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319,767
1907.04481
Tails of Lipschitz Triangular Flows
We investigate the ability of popular flow based methods to capture tail-properties of a target density by studying the increasing triangular maps used in these flow methods acting on a tractable source density. We show that the density quantile functions of the source and target density provide a precise characterizat...
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false
false
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138,117
2404.05997
Concept-Attention Whitening for Interpretable Skin Lesion Diagnosis
The black-box nature of deep learning models has raised concerns about their interpretability for successful deployment in real-world clinical applications. To address the concerns, eXplainable Artificial Intelligence (XAI) aims to provide clear and understandable explanations of the decision-making process. In the med...
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false
false
false
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445,292
2108.01246
AcousticFusion: Fusing Sound Source Localization to Visual SLAM in Dynamic Environments
Dynamic objects in the environment, such as people and other agents, lead to challenges for existing simultaneous localization and mapping (SLAM) approaches. To deal with dynamic environments, computer vision researchers usually apply some learning-based object detectors to remove these dynamic objects. However, these ...
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false
false
false
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248,966
2406.07393
Large Language Models are Limited in Out-of-Context Knowledge Reasoning
Large Language Models (LLMs) possess extensive knowledge and strong capabilities in performing in-context reasoning. However, previous work challenges their out-of-context reasoning ability, i.e., the ability to infer information from their training data, instead of from the context or prompt. This paper focuses on a 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
false
463,026
2210.10352
Temporal Action Segmentation: An Analysis of Modern Techniques
Temporal action segmentation (TAS) in videos aims at densely identifying video frames in minutes-long videos with multiple action classes. As a long-range video understanding task, researchers have developed an extended collection of methods and examined their performance using various benchmarks. Despite the rapid gro...
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false
false
false
false
false
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true
false
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false
false
false
false
324,888
2502.13722
Deep Learning for VWAP Execution in Crypto Markets: Beyond the Volume Curve
Volume-Weighted Average Price (VWAP) is arguably the most prevalent benchmark for trade execution as it provides an unbiased standard for comparing performance across market participants. However, achieving VWAP is inherently challenging due to its dependence on two dynamic factors, volumes and prices. Traditional appr...
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false
true
false
false
false
false
false
false
false
false
false
false
false
535,485
2501.12274
Making it to First: The Random Access Problem in DNA Storage
We study the Random Access Problem in DNA storage, which addresses the challenge of retrieving a specific information strand from a DNA-based storage system. Given that $k$ information strands, representing the data, are encoded into $n$ strands using a code. The goal under this paradigm is to identify and analyze code...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
526,238
2212.14421
Timestomping Vulnerability of Age-Sensitive Gossip Networks
We consider gossip networks consisting of a source that maintains the current version of a file, $n$ nodes that use asynchronous gossip mechanisms to disseminate fresh information in the network, and an oblivious adversary who infects the packets at a target node through data timestamp manipulation, with the intent to ...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
true
338,608
1907.00452
Detecting Spiky Corruption in Markov Decision Processes
Current reinforcement learning methods fail if the reward function is imperfect, i.e. if the agent observes reward different from what it actually receives. We study this problem within the formalism of Corrupt Reward Markov Decision Processes (CRMDPs). We show that if the reward corruption in a CRMDP is sufficiently "...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
137,046
2201.10017
Online Convex Optimization Using Coordinate Descent Algorithms
This paper considers the problem of online optimization where the objective function is time-varying. In particular, we extend coordinate descent type algorithms to the online case, where the objective function varies after a finite number of iterations of the algorithm. Instead of solving the problem exactly at each t...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
276,850
1806.00699
Quantifying the dynamics of topical fluctuations in language
The availability of large diachronic corpora has provided the impetus for a growing body of quantitative research on language evolution and meaning change. The central quantities in this research are token frequencies of linguistic elements in texts, with changes in frequency taken to reflect the popularity or selectiv...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
99,372
1211.7326
Repeated Root Constacyclic Codes of Length $mp^s$ over $\mathbb{F}_{p^r}+u \mathbb{F}_{p^r}+...+ u^{e-1}\mathbb{F}_{p^r}$
We give the structure of $\lambda$-constacyclic codes of length $p^sm$ over $R=\mathbb{F}_{p^r}+u \mathbb{F}_{p^r}+...+ u^{e-1}\mathbb{F}_{p^r}$ with $\lambda \in \F_{p^r}^*$. We also give the structure of $\lambda$-constacyclic codes of length $p^sm$ with $\lambda=\alpha_1+u\alpha_2+...+u^{e-1} \alpha_{e-1}$, where $\...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
20,044
1910.08965
Learning GANs and Ensembles Using Discrepancy
Generative adversarial networks (GANs) generate data based on minimizing a divergence between two distributions. The choice of that divergence is therefore critical. We argue that the divergence must take into account the hypothesis set and the loss function used in a subsequent learning task, where the data generated ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
150,033
2407.01299
Preserving Full Degradation Details for Blind Image Super-Resolution
The performance of image super-resolution relies heavily on the accuracy of degradation information, especially under blind settings. Due to absence of true degradation models in real-world scenarios, previous methods learn distinct representations by distinguishing different degradations in a batch. However, the most ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
469,234
2401.16920
Sparse Portfolio Selection via Topological Data Analysis based Clustering
This paper uses topological data analysis (TDA) tools and introduces a data-driven clustering-based stock selection strategy tailored for sparse portfolio construction. Our asset selection strategy exploits the topological features of stock price movements to select a subset of topologically similar (different) assets ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
425,031
2111.00979
Parabola-Inscribed Poncelet Polygons Derived from the Bicentric Family
We study loci and properties of a Parabola-inscribed family of Poncelet polygons whose caustic is a focus-centered circle. This family is the polar image of a special case of the bicentric family with respect to its circumcircle. We describe closure conditions, curious loci, and new conserved quantities.
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
true
264,418
1905.05891
Crowd Density Estimation using Novel Feature Descriptor
Crowd density estimation is an important task for crowd monitoring. Many efforts have been done to automate the process of estimating crowd density from images and videos. Despite series of efforts, it remains a challenging task. In this paper, we proposes a new texture feature-based approach for the estimation of crow...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
130,842
1111.1555
A scheme to protect against multiple quantum erasures
We present a scheme able to protect k >= 3 qubits of information against the occurrence of multiple erasures, based on the code proposed by Yang et al. (2004 JETP Letters 79 236). In this scheme redundant blocks are used and we restrict to the case that each erasure must occur in distinct blocks. We explicitly characte...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
12,938
2405.11601
How to integrate cloud service, data analytic and machine learning technique to reduce cyber risks associated with the modern cloud based infrastructure
The combination of cloud technology, machine learning, and data visualization techniques allows hybrid enterprise networks to hold massive volumes of data and provide employees and customers easy access to these cloud data. These massive collections of complex data sets are facing security challenges. While cloud platf...
false
true
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
455,209
2110.06661
A Primer on Near-Field Beamforming for Arrays and Reconfigurable Intelligent Surfaces
Wireless communication systems have almost exclusively operated in the far-field of antennas and antenna arrays, which is conventionally characterized by having propagation distances beyond the Fraunhofer distance. This is natural since the Fraunhofer distance is normally only a few wavelengths. With the advent of acti...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
260,705
2205.06226
The Mechanism of Prediction Head in Non-contrastive Self-supervised Learning
Recently the surprising discovery of the Bootstrap Your Own Latent (BYOL) method by Grill et al. shows the negative term in contrastive loss can be removed if we add the so-called prediction head to the network. This initiated the research of non-contrastive self-supervised learning. It is mysterious why even when ther...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
296,177
2102.05983
Tackling Virtual and Real Concept Drifts: An Adaptive Gaussian Mixture Model
Real-world applications have been dealing with large amounts of data that arrive over time and generally present changes in their underlying joint probability distribution, i.e., concept drift. Concept drift can be subdivided into two types: virtual drift, which affects the unconditional probability distribution p(x), ...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
219,601
2007.09859
Novel Approach to Use HU Moments with Image Processing Techniques for Real Time Sign Language Communication
Sign language is the fundamental communication method among people who suffer from speech and hearing defects. The rest of the world doesn't have a clear idea of sign language. "Sign Language Communicator" (SLC) is designed to solve the language barrier between the sign language users and the rest of the world. The mai...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
188,088
1910.10461
A Novel Generalized Artificial Neural Network for Mining Two-Class Datasets
A novel general neural network (GNN) is proposed for two-class data mining in this study. In a GNN, each attribute in the dataset is treated as a node, with each pair of nodes being connected by an arc. The reliability is of each arc, which is similar to the weight in artificial neural network and must be solved using ...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
false
150,494
1804.02872
Variational 3D-PIV with Sparse Descriptors
3D Particle Imaging Velocimetry (3D-PIV) aim to recover the flow field in a volume of fluid, which has been seeded with tracer particles and observed from multiple camera viewpoints. The first step of 3D-PIV is to reconstruct the 3D locations of the tracer particles from synchronous views of the volume. We propose a ne...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
94,515
2303.03539
A Study on Multirobot Quantile Estimation in Natural Environments
Quantiles of a natural phenomena can provide scientists with an important understanding of different spreads of concentrations. When there are several available robots, it may be advantageous to pool resources in a collaborative way to improve performance. A multirobot team can be difficult to practically bring togethe...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
true
false
false
false
349,760
2409.05601
Longer is (Not Necessarily) Stronger: Punctuated Long-Sequence Training for Enhanced Speech Recognition and Translation
This paper presents a new method for training sequence-to-sequence models for speech recognition and translation tasks. Instead of the traditional approach of training models on short segments containing only lowercase or partial punctuation and capitalization (PnC) sentences, we propose training on longer utterances t...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
486,834
2112.00006
Towards algorithm-free physical equilibrium model of computing
Our computers today, from sophisticated servers to small smartphones, operate based on the same computing model, which requires running a sequence of discrete instructions, specified as an algorithm. This sequential computing paradigm has not yet led to a fast algorithm for an NP-complete problem despite numerous attem...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
true
269,013
2403.02297
Uncertainty-Aware Prediction and Application in Planning for Autonomous Driving: Definitions, Methods, and Comparison
Autonomous driving systems face the formidable challenge of navigating intricate and dynamic environments with uncertainty. This study presents a unified prediction and planning framework that concurrently models short-term aleatoric uncertainty (SAU), long-term aleatoric uncertainty (LAU), and epistemic uncertainty (E...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
434,758
2205.14412
Design, Modelling, and Control of a Reconfigurable Rotary Series Elastic Actuator with Nonlinear Stiffness for Assistive Robots
In assistive robots, compliant actuator is a key component in establishing safe and satisfactory physical human-robot interaction (pHRI). The performance of compliant actuators largely depends on the stiffness of the elastic element. Generally, low stiffness is desirable to achieve low impedance, high fidelity of force...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
299,355
2307.14272
Sim-to-Real Model-Based and Model-Free Deep Reinforcement Learning for Tactile Pushing
Object pushing presents a key non-prehensile manipulation problem that is illustrative of more complex robotic manipulation tasks. While deep reinforcement learning (RL) methods have demonstrated impressive learning capabilities using visual input, a lack of tactile sensing limits their capability for fine and reliable...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
381,864
2203.11373
Two methods for Jamming Identification in UAVs Networks using New Synthetic Dataset
Unmanned aerial vehicle (UAV) systems are vulnerable to jamming from self-interested users who utilize radio devices for their benefits during UAV transmissions. The vulnerability occurs due to the open nature of air-to-ground (A2G) wireless communication networks, which may enable network-wide attacks. This paper pres...
false
false
false
false
false
false
true
false
false
false
false
false
true
false
false
true
false
false
286,885
2106.06529
The Limitations of Large Width in Neural Networks: A Deep Gaussian Process Perspective
Large width limits have been a recent focus of deep learning research: modulo computational practicalities, do wider networks outperform narrower ones? Answering this question has been challenging, as conventional networks gain representational power with width, potentially masking any negative effects. Our analysis in...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
240,515
1906.00271
GLAD: Learning Sparse Graph Recovery
Recovering sparse conditional independence graphs from data is a fundamental problem in machine learning with wide applications. A popular formulation of the problem is an $\ell_1$ regularized maximum likelihood estimation. Many convex optimization algorithms have been designed to solve this formulation to recover the ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
133,332
1004.4460
Handling Overload Conditions In High Performance Trustworthy Information Retrieval Systems
Web search engines retrieve a vast amount of information for a given search query. But the user needs only trustworthy and high-quality information from this vast retrieved data. The response time of the search engine must be a minimum value in order to satisfy the user. An optimum level of response time should be main...
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
6,277
2309.12476
Differentially Private Reward Functions in Policy Synthesis for Markov Decision Processes
Markov decision processes often seek to maximize a reward function, but onlookers may infer reward functions by observing the states and actions of such systems, revealing sensitive information. Therefore, in this paper we introduce and compare two methods for privatizing reward functions in policy synthesis for multi-...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
393,807
1911.04660
Random Projections of Mel-Spectrograms as Low-Level Features for Automatic Music Genre Classification
In this work, we analyse the random projections of Mel-spectrograms as low-level features for music genre classification. This approach was compared to handcrafted features, features learned using an auto-encoder and features obtained from a transfer learning setting. Tests in five different well-known, publicly availa...
false
false
true
false
false
true
true
false
false
false
false
false
false
false
false
false
false
false
153,048
2005.07037
Training conformal predictors
Efficiency criteria for conformal prediction, such as \emph{observed fuzziness} (i.e., the sum of p-values associated with false labels), are commonly used to \emph{evaluate} the performance of given conformal predictors. Here, we investigate whether it is possible to exploit efficiency criteria to \emph{learn} classif...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
177,175
2307.14009
Car-Studio: Learning Car Radiance Fields from Single-View and Endless In-the-wild Images
Compositional neural scene graph studies have shown that radiance fields can be an efficient tool in an editable autonomous driving simulator. However, previous studies learned within a sequence of autonomous driving datasets, resulting in unsatisfactory blurring when rotating the car in the simulator. In this letter, ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
381,784
1609.08438
Flows Generating Nonlinear Eigenfunctions
Nonlinear variational methods have become very powerful tools for many image processing tasks. Recently a new line of research has emerged, dealing with nonlinear eigenfunctions induced by convex functionals. This has provided new insights and better theoretical understanding of convex regularization and introduced new...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
61,596
2312.15322
Hardware-Aware DNN Compression via Diverse Pruning and Mixed-Precision Quantization
Deep Neural Networks (DNNs) have shown significant advantages in a wide variety of domains. However, DNNs are becoming computationally intensive and energy hungry at an exponential pace, while at the same time, there is a vast demand for running sophisticated DNN-based services on resource constrained embedded devices....
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
417,972
2112.05593
A Review of Indoor Millimeter Wave Device-based Localization and Device-free Sensing Technologies and Applications
The commercial availability of low-cost millimeter wave (mmWave) communication and radar devices is starting to improve the penetration of such technologies in consumer markets, paving the way for large-scale and dense deployments in fifth-generation (5G)-and-beyond as well as 6G networks. At the same time, pervasive m...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
270,888
2410.15460
Hallucination Detox: Sensitivity Dropout (SenD) for Large Language Model Training
As large language models (LLMs) are increasingly deployed across various industries, concerns regarding their reliability, particularly due to hallucinations - outputs that are factually inaccurate or irrelevant to user input - have grown. Our research investigates the relationship between the training process and the ...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
500,549
2011.10804
BARS: Joint Search of Cell Topology and Layout for Accurate and Efficient Binary ARchitectures
Binary Neural Networks (BNNs) have received significant attention due to their promising efficiency. Currently, most BNN studies directly adopt widely-used CNN architectures, which can be suboptimal for BNNs. This paper proposes a novel Binary ARchitecture Search (BARS) flow to discover superior binary architecture in ...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
207,627
2412.06209
Sound2Vision: Generating Diverse Visuals from Audio through Cross-Modal Latent Alignment
How does audio describe the world around us? In this work, we propose a method for generating images of visual scenes from diverse in-the-wild sounds. This cross-modal generation task is challenging due to the significant information gap between auditory and visual signals. We address this challenge by designing a mode...
false
false
true
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
515,152
2110.11223
Detection of Driver Drowsiness by Calculating the Speed of Eye Blinking
Many road accidents are caused by drowsiness of the driver. While there are methods to detect closed eyes, it is a non-trivial task to detect the gradual process of a driver becoming drowsy. We consider a simple real-time detection system for drowsiness merely based on the eye blinking rate derived from the eye aspect ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
262,399
cs/0504028
On Extrinsic Information of Good Codes Operating Over Discrete Memoryless Channels
We show that the Extrinsic Information about the coded bits of any good (capacity achieving) code operating over a wide class of discrete memoryless channels (DMC) is zero when channel capacity is below the code rate and positive constant otherwise, that is, the Extrinsic Information Transfer (EXIT) chart is a step fun...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
538,649
2305.19339
Less Likely Brainstorming: Using Language Models to Generate Alternative Hypotheses
A human decision-maker benefits the most from an AI assistant that corrects for their biases. For problems such as generating interpretation of a radiology report given findings, a system predicting only highly likely outcomes may be less useful, where such outcomes are already obvious to the user. To alleviate biases ...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
369,478
2407.15589
Exploring the Effectiveness of Object-Centric Representations in Visual Question Answering: Comparative Insights with Foundation Models
Object-centric (OC) representations, which represent the state of a visual scene by modeling it as a composition of objects, have the potential to be used in various downstream tasks to achieve systematic compositional generalization and facilitate reasoning. However, these claims have not been thoroughly analyzed yet....
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
475,243
1711.10658
Deep-Person: Learning Discriminative Deep Features for Person Re-Identification
Recently, many methods of person re-identification (Re-ID) rely on part-based feature representation to learn a discriminative pedestrian descriptor. However, the spatial context between these parts is ignored for the independent extractor to each separate part. In this paper, we propose to apply Long Short-Term Memory...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
85,637
2106.12406
Mitigating the Impact of Distributed Generations on Relay Coordination Using Fault Current Limiters
The use of distributed generation resources, in addition to considerable benefits, causes some problems in the power system. One of the most critical problems in the case of disruption is increasing short-circuit current level in grids, which leads to change the protection devices settings in the downstream and upstrea...
false
false
false
false
false
false
false
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false
false
true
false
false
false
false
false
false
true
242,718