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541k
1506.03645
Contact patterns in a high school: a comparison between data collected using wearable sensors, contact diaries and friendship surveys
Given their importance in shaping social networks and determining how information or diseases propagate in a population, human interactions are the subject of many data collection efforts. To this aim, different methods are commonly used, from diaries and surveys to wearable sensors. These methods show advantages and l...
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false
false
true
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44,078
1511.01258
Learn on Source, Refine on Target:A Model Transfer Learning Framework with Random Forests
We propose novel model transfer-learning methods that refine a decision forest model M learned within a "source" domain using a training set sampled from a "target" domain, assumed to be a variation of the source. We present two random forest transfer algorithms. The first algorithm searches greedily for locally optima...
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false
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48,484
2501.05483
Human Grasp Generation for Rigid and Deformable Objects with Decomposed VQ-VAE
Generating realistic human grasps is crucial yet challenging for object manipulation in computer graphics and robotics. Current methods often struggle to generate detailed and realistic grasps with full finger-object interaction, as they typically rely on encoding the entire hand and estimating both posture and positio...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
true
523,613
2204.01390
A Comprehensive Survey on Automated Machine Learning for Recommendations
Deep recommender systems (DRS) are critical for current commercial online service providers, which address the issue of information overload by recommending items that are tailored to the user's interests and preferences. They have unprecedented feature representations effectiveness and the capacity of modeling the non...
false
false
false
false
true
true
false
false
false
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false
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false
false
289,590
2408.12840
HGNAS: Hardware-Aware Graph Neural Architecture Search for Edge Devices
Graph Neural Networks (GNNs) are becoming increasingly popular for graph-based learning tasks such as point cloud processing due to their state-of-the-art (SOTA) performance. Nevertheless, the research community has primarily focused on improving model expressiveness, lacking consideration of how to design efficient GN...
false
false
false
false
false
false
true
false
false
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false
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false
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false
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482,914
2303.05286
Euler Characteristic Transform Based Topological Loss for Reconstructing 3D Images from Single 2D Slices
The computer vision task of reconstructing 3D images, i.e., shapes, from their single 2D image slices is extremely challenging, more so in the regime of limited data. Deep learning models typically optimize geometric loss functions, which may lead to poor reconstructions as they ignore the structural properties of the ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
350,408
2101.09495
Granular conditional entropy-based attribute reduction for partially labeled data with proxy labels
Attribute reduction is one of the most important research topics in the theory of rough sets, and many rough sets-based attribute reduction methods have thus been presented. However, most of them are specifically designed for dealing with either labeled data or unlabeled data, while many real-world applications come in...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
216,616
1811.01065
Real-time Magnetometer Disturbance Estimation via Online Nonlinear Programming
Magnetometer is a significant sensor for integrated navigation. However, it suffers from many kinds of unknown dynamic magnetic disturbances. We study the problem of online estimating such disturbances via a nonlinear optimization aided by intermediate quaternion estimation from inertial fusion. The proposed optimizati...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
112,259
2406.02456
Offline Bayesian Aleatoric and Epistemic Uncertainty Quantification and Posterior Value Optimisation in Finite-State MDPs
We address the challenge of quantifying Bayesian uncertainty and incorporating it in offline use cases of finite-state Markov Decision Processes (MDPs) with unknown dynamics. Our approach provides a principled method to disentangle epistemic and aleatoric uncertainty, and a novel technique to find policies that optimis...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
460,773
2501.18838
Partially Rewriting a Transformer in Natural Language
The greatest ambition of mechanistic interpretability is to completely rewrite deep neural networks in a format that is more amenable to human understanding, while preserving their behavior and performance. In this paper, we attempt to partially rewrite a large language model using simple natural language explanations....
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false
false
false
false
false
true
false
true
false
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false
false
528,881
2205.10727
Residual regularization path-following methods for linear complementarity problems
In this article, we consider the residual regularization path-following method with the trust-region updating strategy for the linear complementarity problem. This time-stepping selection based on the trust-region updating strategy overcomes the shortcoming of the line search method, which consumes the unnecessary tria...
false
true
false
false
false
false
false
false
false
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false
false
false
false
false
true
297,834
1603.08705
ROOT13: Spotting Hypernyms, Co-Hyponyms and Randoms
In this paper, we describe ROOT13, a supervised system for the classification of hypernyms, co-hyponyms and random words. The system relies on a Random Forest algorithm and 13 unsupervised corpus-based features. We evaluate it with a 10-fold cross validation on 9,600 pairs, equally distributed among the three classes a...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
53,821
2210.07032
Prompt-based Connective Prediction Method for Fine-grained Implicit Discourse Relation Recognition
Due to the absence of connectives, implicit discourse relation recognition (IDRR) is still a challenging and crucial task in discourse analysis. Most of the current work adopted multi-task learning to aid IDRR through explicit discourse relation recognition (EDRR) or utilized dependencies between discourse relation lab...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
323,551
2106.09352
Large Scale Private Learning via Low-rank Reparametrization
We propose a reparametrization scheme to address the challenges of applying differentially private SGD on large neural networks, which are 1) the huge memory cost of storing individual gradients, 2) the added noise suffering notorious dimensional dependence. Specifically, we reparametrize each weight matrix with two \e...
false
false
false
false
false
false
true
false
false
false
false
false
true
false
false
false
false
false
241,635
1909.07182
Distance Assessment and Hypothesis Testing of High-Dimensional Samples using Variational Autoencoders
Given two distinct datasets, an important question is if they have arisen from the the same data generating function or alternatively how their data generating functions diverge from one another. In this paper, we introduce an approach for measuring the distance between two datasets with high dimensionality using varia...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
145,614
2401.15444
Towards Causal Classification: A Comprehensive Study on Graph Neural Networks
The exploration of Graph Neural Networks (GNNs) for processing graph-structured data has expanded, particularly their potential for causal analysis due to their universal approximation capabilities. Anticipated to significantly enhance common graph-based tasks such as classification and prediction, the development of a...
false
false
false
false
false
false
true
false
false
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false
false
false
false
false
false
false
false
424,446
2408.00949
Equivariant neural networks and piecewise linear representation theory
Equivariant neural networks are neural networks with symmetry. Motivated by the theory of group representations, we decompose the layers of an equivariant neural network into simple representations. The nonlinear activation functions lead to interesting nonlinear equivariant maps between simple representations. For exa...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
478,041
2206.09977
Thompson Sampling Efficiently Learns to Control Diffusion Processes
Diffusion processes that evolve according to linear stochastic differential equations are an important family of continuous-time dynamic decision-making models. Optimal policies are well-studied for them, under full certainty about the drift matrices. However, little is known about data-driven control of diffusion proc...
false
false
false
false
true
false
true
false
false
false
true
false
false
false
false
false
false
false
303,747
1408.4576
Introduction to Clustering Algorithms and Applications
Data clustering is the process of identifying natural groupings or clusters within multidimensional data based on some similarity measure. Clustering is a fundamental process in many different disciplines. Hence, researchers from different fields are actively working on the clustering problem. This paper provides an ov...
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false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
35,470
1810.02565
Continuous-time Models for Stochastic Optimization Algorithms
We propose new continuous-time formulations for first-order stochastic optimization algorithms such as mini-batch gradient descent and variance-reduced methods. We exploit these continuous-time models, together with simple Lyapunov analysis as well as tools from stochastic calculus, in order to derive convergence bound...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
109,619
1207.4825
A new algorithm for extracting a small representative subgraph from a very large graph
Many real-world networks are prohibitively large for data retrieval, storage and analysis of all of its nodes and links. Understanding the structure and dynamics of these networks entails creating a smaller representative sample of the full graph while preserving its relevant topological properties. In this report, we ...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
true
17,673
2306.14306
Adaptive Sharpness-Aware Pruning for Robust Sparse Networks
Robustness and compactness are two essential attributes of deep learning models that are deployed in the real world. The goals of robustness and compactness may seem to be at odds, since robustness requires generalization across domains, while the process of compression exploits specificity in one domain. We introduce ...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
375,631
1912.12076
An Efficient CSI Acquisition Method for Intelligent Reflecting Surface-assisted mmWave Networks
Millimeter-wave (mmWave) communication is one of the key enablers of the fifth-generation cellular networks (5G). However, one of the fundamental challenges of mmWave communication is the susceptibility to blockage effects. One way to alleviate this effect is the use of Intelligent Reflecting Surface (IRS). Nevertheles...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
158,747
2209.11972
Ground then Navigate: Language-guided Navigation in Dynamic Scenes
We investigate the Vision-and-Language Navigation (VLN) problem in the context of autonomous driving in outdoor settings. We solve the problem by explicitly grounding the navigable regions corresponding to the textual command. At each timestamp, the model predicts a segmentation mask corresponding to the intermediate o...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
319,367
2302.09413
New Dualities in Linear Systems and Optimal Output Control under Bounded Disturbances
In this paper, we introduce novel equations that are dual to the ones of the well-known invariant ellipsoids method. These equations yield ellipsoids with newly established geometrical interpretations and connections to linear system norms. The established duality leads to the optimal synthesis results for state-feedba...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
346,415
2010.11132
Sentence Boundary Augmentation For Neural Machine Translation Robustness
Neural Machine Translation (NMT) models have demonstrated strong state of the art performance on translation tasks where well-formed training and evaluation data are provided, but they remain sensitive to inputs that include errors of various types. Specifically, in the context of long-form speech translation systems, ...
false
false
true
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
202,132
1302.7096
Using Artificial Intelligence Models in System Identification
Artificial Intelligence (AI) techniques are known for its ability in tackling problems found to be unyielding to traditional mathematical methods. A recent addition to these techniques are the Computational Intelligence (CI) techniques which, in most cases, are nature or biologically inspired techniques. Different CI t...
false
false
false
false
false
false
false
false
false
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true
false
false
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false
true
false
false
22,507
1507.02037
Sparse Time-Frequency decomposition for multiple signals with same frequencies
In this paper, we consider multiple signals sharing same instantaneous frequencies. This kind of data is very common in scientific and engineering problems. To take advantage of this special structure, we modify our data-driven time-frequency analysis by updating the instantaneous frequencies simultaneously. Moreover, ...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
44,935
2101.06228
Task-driven Self-supervised Bi-channel Networks for Diagnosis of Breast Cancers with Mammography
Deep learning can promote the mammography-based computer-aided diagnosis (CAD) for breast cancers, but it generally suffers from the small sample size problem. Self-supervised learning (SSL) has shown its effectiveness in medical image analysis with limited training samples. However, the network model sometimes cannot ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
215,649
2304.02595
Bayesian neural networks via MCMC: a Python-based tutorial
Bayesian inference provides a methodology for parameter estimation and uncertainty quantification in machine learning and deep learning methods. Variational inference and Markov Chain Monte-Carlo (MCMC) sampling methods are used to implement Bayesian inference. In the past three decades, MCMC sampling methods have face...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
356,477
2002.11039
A study of resting-state EEG biomarkers for depression recognition
Background: Depression has become a major health burden worldwide, and effective detection depression is a great public-health challenge. This Electroencephalography (EEG)-based research is to explore the effective biomarkers for depression recognition. Methods: Resting state EEG data was collected from 24 major depres...
false
false
false
false
false
false
true
false
false
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false
false
false
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false
false
false
165,591
1903.09992
Coded trace reconstruction
Motivated by average-case trace reconstruction and coding for portable DNA-based storage systems, we initiate the study of \emph{coded trace reconstruction}, the design and analysis of high-rate efficiently encodable codes that can be efficiently decoded with high probability from few reads (also called \emph{traces}) ...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
125,179
1606.01623
Position-Indexed Formulations for Kidney Exchange
A kidney exchange is an organized barter market where patients in need of a kidney swap willing but incompatible donors. Determining an optimal set of exchanges is theoretically and empirically hard. Traditionally, exchanges took place in cycles, with each participating patient-donor pair both giving and receiving a ki...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
true
56,843
2502.02391
FewTopNER: Integrating Few-Shot Learning with Topic Modeling and Named Entity Recognition in a Multilingual Framework
We introduce FewTopNER, a novel framework that integrates few-shot named entity recognition (NER) with topic-aware contextual modeling to address the challenges of cross-lingual and low-resource scenarios. FewTopNER leverages a shared multilingual encoder based on XLM-RoBERTa, augmented with language-specific calibrati...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
530,296
1911.05329
Knowledge Representing: Efficient, Sparse Representation of Prior Knowledge for Knowledge Distillation
Despite the recent works on knowledge distillation (KD) have achieved a further improvement through elaborately modeling the decision boundary as the posterior knowledge, their performance is still dependent on the hypothesis that the target network has a powerful capacity (representation ability). In this paper, we pr...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
153,231
1803.09967
Reinforcement Learning for Fair Dynamic Pricing
Unfair pricing policies have been shown to be one of the most negative perceptions customers can have concerning pricing, and may result in long-term losses for a company. Despite the fact that dynamic pricing models help companies maximize revenue, fairness and equality should be taken into account in order to avoid u...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
93,621
2205.09416
A Weakly-Supervised Iterative Graph-Based Approach to Retrieve COVID-19 Misinformation Topics
The COVID-19 pandemic has been accompanied by an `infodemic' -- of accurate and inaccurate health information across social media. Detecting misinformation amidst dynamically changing information landscape is challenging; identifying relevant keywords and posts is arduous due to the large amount of human effort require...
true
false
false
true
false
false
false
false
true
false
false
false
false
false
false
false
false
false
297,264
2202.01421
Characterization of Semantic Segmentation Models on Mobile Platforms for Self-Navigation in Disaster-Struck Zones
The role of unmanned vehicles for searching and localizing the victims in disaster impacted areas such as earthquake-struck zones is getting more important. Self-navigation on an earthquake zone has a unique challenge of detecting irregularly shaped obstacles such as road cracks, debris on the streets, and water puddle...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
278,477
1206.5265
Consensus ranking under the exponential model
We analyze the generalized Mallows model, a popular exponential model over rankings. Estimating the central (or consensus) ranking from data is NP-hard. We obtain the following new results: (1) We show that search methods can estimate both the central ranking pi0 and the model parameters theta exactly. The search is n!...
false
false
false
false
true
false
true
false
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false
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16,802
1804.10428
Localized Traffic Sign Detection with Multi-scale Deconvolution Networks
Autonomous driving is becoming a future practical lifestyle greatly driven by deep learning. Specifically, an effective traffic sign detection by deep learning plays a critical role for it. However, different countries have different sets of traffic signs, making localized traffic sign recognition model training a tedi...
false
false
false
false
false
false
false
false
false
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true
false
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false
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96,159
2304.09527
Single-View View Synthesis with Self-Rectified Pseudo-Stereo
Synthesizing novel views from a single view image is a highly ill-posed problem. We discover an effective solution to reduce the learning ambiguity by expanding the single-view view synthesis problem to a multi-view setting. Specifically, we leverage the reliable and explicit stereo prior to generate a pseudo-stereo vi...
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false
false
false
false
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359,083
2407.08464
TLDR: Unsupervised Goal-Conditioned RL via Temporal Distance-Aware Representations
Unsupervised goal-conditioned reinforcement learning (GCRL) is a promising paradigm for developing diverse robotic skills without external supervision. However, existing unsupervised GCRL methods often struggle to cover a wide range of states in complex environments due to their limited exploration and sparse or noisy ...
false
false
false
false
true
false
true
false
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472,175
2407.20660
What makes for good morphology representations for spatial omics?
Spatial omics has transformed our understanding of tissue architecture by preserving spatial context of gene expression patterns. Simultaneously, advances in imaging AI have enabled extraction of morphological features describing the tissue. The intersection of spatial omics and imaging AI presents opportunities for a ...
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false
false
false
false
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false
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false
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true
false
false
false
false
false
false
477,237
2007.12859
Physical Layer Security of Large Reflecting Surface Aided Communications with Phase Errors
The physical layer security (PLS) performance of a wireless communication link through a large reflecting surface (LRS) with phase errors is analyzed. Leveraging recent results that express the \ac{LRS}-based composite channel as an equivalent scalar fading channel, we show that the eavesdropper's link is Rayleigh dist...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
188,944
2201.03168
Nukhada USV: a Robot for Autonomous Surveying and Support to Underwater Operations
The Technology Innovation Institute in Abu Dhabi, United Arab Emirates, has recently finished the production and testing of a new unmanned surface vehicle, called Nukhada, specifically designed for autonomous survey, inspection, and support to underwater operations. This manuscript describes the main characteristics of...
false
false
false
false
false
false
false
true
false
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true
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false
false
false
false
false
false
274,770
2403.15522
Medical Image Data Provenance for Medical Cyber-Physical System
Continuous advancements in medical technology have led to the creation of affordable mobile imaging devices suitable for telemedicine and remote monitoring. However, the rapid examination of large populations poses challenges, including the risk of fraudulent practices by healthcare professionals and social workers exc...
false
false
false
false
false
false
false
false
false
false
false
true
true
false
false
false
false
false
440,624
2310.17216
Three-dimensional Bone Image Synthesis with Generative Adversarial Networks
Medical image processing has been highlighted as an area where deep learning-based models have the greatest potential. However, in the medical field in particular, problems of data availability and privacy are hampering research progress and thus rapid implementation in clinical routine. The generation of synthetic dat...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
403,048
2208.03934
Inflating 2D Convolution Weights for Efficient Generation of 3D Medical Images
The generation of three-dimensional (3D) medical images has great application potential since it takes into account the 3D anatomical structure. Two problems prevent effective training of a 3D medical generative model: (1) 3D medical images are expensive to acquire and annotate, resulting in an insufficient number of t...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
311,944
1712.06713
Game-Theoretic Electric Vehicle Charging Management Resilient to Non-Ideal User Behavior
In this paper, an electric vehicle (EV) charging competition, among EV aggregators that perform coordinated EV charging, is explored while taking into consideration potential non-ideal actions of the aggregators. In the coordinated EV charging strategy presented in this paper, each aggregator determines EV charging sta...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
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true
86,923
1403.2111
Protograph-Based Raptor-Like LDPC Codes
This paper proposes a class of rate-compatible LDPC codes, called protograph-based Raptor-like (PBRL) codes. The construction is focused on binary codes for BI-AWGN channels. As with the Raptor codes, additional parity bits are produced by exclusive-OR operations on the precoded bits, providing extensive rate compatibi...
false
false
false
false
false
false
false
false
false
true
false
false
false
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false
false
false
31,460
2209.08237
Understanding the Impact of Image Quality and Distance of Objects to Object Detection Performance
Deep learning has made great strides for object detection in images. The detection accuracy and computational cost of object detection depend on the spatial resolution of an image, which may be constrained by both the camera and storage considerations. Compression is often achieved by reducing either spatial or amplitu...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
318,044
2401.15615
Mitigating the Impact of Noisy Edges on Graph-Based Algorithms via Adversarial Robustness Evaluation
Given that no existing graph construction method can generate a perfect graph for a given dataset, graph-based algorithms are often affected by redundant and erroneous edges present within the constructed graphs. In this paper, we view these noisy edges as adversarial attack and propose to use a spectral adversarial ro...
false
false
false
false
false
false
true
false
false
false
false
true
true
false
false
false
false
false
424,517
1111.0067
A General Theory of Additive State Space Abstractions
Informally, a set of abstractions of a state space S is additive if the distance between any two states in S is always greater than or equal to the sum of the corresponding distances in the abstract spaces. The first known additive abstractions, called disjoint pattern databases, were experimentally demonstrated to pro...
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false
false
false
true
false
false
false
false
false
false
false
false
false
false
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false
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12,857
2206.15464
Practical Black Box Hamiltonian Learning
We study the problem of learning the parameters for the Hamiltonian of a quantum many-body system, given limited access to the system. In this work, we build upon recent approaches to Hamiltonian learning via derivative estimation. We propose a protocol that improves the scaling dependence of prior works, particularly ...
false
false
false
false
false
false
true
false
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false
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false
false
false
false
false
false
305,596
2010.14227
Efficient, Simple and Automated Negative Sampling for Knowledge Graph Embedding
Negative sampling, which samples negative triplets from non-observed ones in knowledge graph (KG), is an essential step in KG embedding. Recently, generative adversarial network (GAN), has been introduced in negative sampling. By sampling negative triplets with large gradients, these methods avoid the problem of vanish...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
true
false
203,379
1801.01486
Deep Cross Polarimetric Thermal-to-visible Face Recognition
In this paper, we present a deep coupled learning frame- work to address the problem of matching polarimetric ther- mal face photos against a gallery of visible faces. Polariza- tion state information of thermal faces provides the miss- ing textural and geometrics details in the thermal face im- agery which exist in vi...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
87,738
2210.10162
Computational pathology in renal disease: a comprehensive perspective
Computational pathology is a field that has complemented various subspecialties of diagnostic pathology over the last few years. In this article a brief analyzis the different applications in nephrology is developed. To begin, an overview of the different forms of image production is provided. To continue, the most fre...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
324,805
2408.03616
Distillation Learning Guided by Image Reconstruction for One-Shot Medical Image Segmentation
Traditional one-shot medical image segmentation (MIS) methods use registration networks to propagate labels from a reference atlas or rely on comprehensive sampling strategies to generate synthetic labeled data for training. However, these methods often struggle with registration errors and low-quality synthetic images...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
479,089
2103.08439
S-AT GCN: Spatial-Attention Graph Convolution Network based Feature Enhancement for 3D Object Detection
3D object detection plays a crucial role in environmental perception for autonomous vehicles, which is the prerequisite of decision and control. This paper analyses partition-based methods' inherent drawbacks. In the partition operation, a single instance such as a pedestrian is sliced into several pieces, which we cal...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
224,903
1806.04589
Computation Rate Maximization in UAV-Enabled Wireless Powered Mobile-Edge Computing Systems
Mobile edge computing (MEC) and wireless power transfer (WPT) are two promising techniques to enhance the computation capability and to prolong the operational time of low-power wireless devices that are ubiquitous in Internet of Things. However, the computation performance and the harvested energy are significantly im...
false
true
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
true
100,274
2402.18383
Robust Quantification of Percent Emphysema on CT via Domain Attention: the Multi-Ethnic Study of Atherosclerosis (MESA) Lung Study
Robust quantification of pulmonary emphysema on computed tomography (CT) remains challenging for large-scale research studies that involve scans from different scanner types and for translation to clinical scans. Existing studies have explored several directions to tackle this challenge, including density correction, n...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
433,410
1707.07608
Vision-Based Fallen Person Detection for the Elderly
Falls are serious and costly for elderly people. The Centers for Disease Control and Prevention of the US reports that millions of older people, 65 and older, fall each year at least once. Serious injuries such as; hip fractures, broken bones or head injury, are caused by 20% of the falls. The time it takes to respond ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
77,664
2112.09329
Point2Cyl: Reverse Engineering 3D Objects from Point Clouds to Extrusion Cylinders
We propose Point2Cyl, a supervised network transforming a raw 3D point cloud to a set of extrusion cylinders. Reverse engineering from a raw geometry to a CAD model is an essential task to enable manipulation of the 3D data in shape editing software and thus expand their usages in many downstream applications. Particul...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
272,111
2405.09086
Chaos-based reinforcement learning with TD3
Chaos-based reinforcement learning (CBRL) is a method in which the agent's internal chaotic dynamics drives exploration. This approach offers a model for considering how the biological brain can create variability in its behavior and learn in an exploratory manner. At the same time, it is a learning model that has the ...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
true
false
false
454,299
1908.05600
Diffusive Mobile MC with Absorbing Receivers: Stochastic Analysis and Applications
This paper presents a stochastic analysis of the time-variant channel impulse response (CIR) of a three dimensional diffusive mobile molecular communication (MC) system where the transmitter, the absorbing receiver, and the molecules can freely diffuse. In our analysis, we derive the mean, variance, probability density...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
141,755
2309.10729
PAMS: Platform for Artificial Market Simulations
This paper presents a new artificial market simulation platform, PAMS: Platform for Artificial Market Simulations. PAMS is developed as a Python-based simulator that is easily integrated with deep learning and enabling various simulation that requires easy users' modification. In this paper, we demonstrate PAMS effecti...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
true
false
false
false
393,132
2006.12726
Prediction of fitness in bacteria with causal jump dynamic mode decomposition
In this paper, we consider the problem of learning a predictive model for population cell growth dynamics as a function of the media conditions. We first introduce a generic data-driven framework for training operator-theoretic models to predict cell growth rate. We then introduce the experimental design and data gener...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
183,688
2001.03787
Attitude Determination and Estimation using Vector Observations: Review, Challenges and Comparative Results
This paper concerns the problem of attitude determination and estimation. The early applications considered algebraic methods of attitude determination. Attitude determination algorithms were supplanted by the Gaussian attitude estimation filters (which continue to be widely used in commercial applications). However, t...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
160,059
2405.14082
Exclusively Penalized Q-learning for Offline Reinforcement Learning
Constraint-based offline reinforcement learning (RL) involves policy constraints or imposing penalties on the value function to mitigate overestimation errors caused by distributional shift. This paper focuses on a limitation in existing offline RL methods with penalized value function, indicating the potential for und...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
456,237
2001.00813
Computing L1 Straight-Line Fits to Data (Part 1)
The initial remarks in this technical report are primarily for those not familiar with the properties of L1 approximation, but the remainder of the report should also interest readers who are already acquainted with the inner workings of L1 algorithms.
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
159,331
2309.15770
Generating Transferable Adversarial Simulation Scenarios for Self-Driving via Neural Rendering
Self-driving software pipelines include components that are learned from a significant number of training examples, yet it remains challenging to evaluate the overall system's safety and generalization performance. Together with scaling up the real-world deployment of autonomous vehicles, it is of critical importance t...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
395,107
2405.06800
LLM-Generated Black-box Explanations Can Be Adversarially Helpful
Large Language Models (LLMs) are becoming vital tools that help us solve and understand complex problems by acting as digital assistants. LLMs can generate convincing explanations, even when only given the inputs and outputs of these problems, i.e., in a ``black-box'' approach. However, our research uncovers a hidden r...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
453,456
1612.01452
ImageNet pre-trained models with batch normalization
Convolutional neural networks (CNN) pre-trained on ImageNet are the backbone of most state-of-the-art approaches. In this paper, we present a new set of pre-trained models with popular state-of-the-art architectures for the Caffe framework. The first release includes Residual Networks (ResNets) with generation script a...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
65,088
1408.3725
Object Structure from Manipulation via Particle Filter and Robot-based Active Learning
To learn object models for robotic manipulation, unsupervised methods cannot provide accurate object structural information and supervised methods require a large amount of manually labeled training samples, thus interactive object segmentation is developed to automate object modeling. In this article, we formulate a n...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
35,402
2202.08159
Domain Adaptive Fake News Detection via Reinforcement Learning
With social media being a major force in information consumption, accelerated propagation of fake news has presented new challenges for platforms to distinguish between legitimate and fake news. Effective fake news detection is a non-trivial task due to the diverse nature of news domains and expensive annotation costs....
false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
false
false
false
280,784
2411.14779
New families of non-Reed-Solomon MDS codes
MDS codes have garnered significant attention due to their wide applications in practice. To date, most known MDS codes are equivalent to Reed-Solomon codes. The construction of non-Reed-Solomon (non-RS) type MDS codes has emerged as an intriguing and important problem in both coding theory and finite geometry. Althoug...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
510,321
2305.13831
ZET-Speech: Zero-shot adaptive Emotion-controllable Text-to-Speech Synthesis with Diffusion and Style-based Models
Emotional Text-To-Speech (TTS) is an important task in the development of systems (e.g., human-like dialogue agents) that require natural and emotional speech. Existing approaches, however, only aim to produce emotional TTS for seen speakers during training, without consideration of the generalization to unseen speaker...
false
false
true
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
366,709
2105.04156
ReLU Deep Neural Networks from the Hierarchical Basis Perspective
We study ReLU deep neural networks (DNNs) by investigating their connections with the hierarchical basis method in finite element methods. First, we show that the approximation schemes of ReLU DNNs for $x^2$ and $xy$ are composition versions of the hierarchical basis approximation for these two functions. Based on this...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
234,408
2107.05045
Positive-Unlabeled Classification under Class-Prior Shift: A Prior-invariant Approach Based on Density Ratio Estimation
Learning from positive and unlabeled (PU) data is an important problem in various applications. Most of the recent approaches for PU classification assume that the class-prior (the ratio of positive samples) in the training unlabeled dataset is identical to that of the test data, which does not hold in many practical c...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
245,649
2004.08522
Super-Resolution-based Snake Model -- An Unsupervised Method for Large-Scale Building Extraction using Airborne LiDAR Data and Optical Image
Automatic extraction of buildings in urban and residential scenes has become a subject of growing interest in the domain of photogrammetry and remote sensing, particularly since mid-1990s. Active contour model, colloquially known as snake model, has been studied to extract buildings from aerial and satellite imagery. H...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
173,083
2405.17139
Synergy and Diversity in CLIP: Enhancing Performance Through Adaptive Backbone Ensembling
Contrastive Language-Image Pretraining (CLIP) stands out as a prominent method for image representation learning. Various architectures, from vision transformers (ViTs) to convolutional networks (ResNets) have been trained with CLIP to serve as general solutions to diverse vision tasks. This paper explores the differen...
false
false
false
false
true
false
true
false
false
false
false
true
false
false
false
false
false
false
457,782
1711.07624
A deep learning-based method for relative location prediction in CT scan images
Relative location prediction in computed tomography (CT) scan images is a challenging problem. In this paper, a regression model based on one-dimensional convolutional neural networks is proposed to determine the relative location of a CT scan image both robustly and precisely. A public dataset is employed to validate ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
85,030
1910.00617
Predicting materials properties without crystal structure: Deep representation learning from stoichiometry
Machine learning has the potential to accelerate materials discovery by accurately predicting materials properties at a low computational cost. However, the model inputs remain a key stumbling block. Current methods typically use descriptors constructed from knowledge of either the full crystal structure -- therefore o...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
147,711
2406.09906
Label-Efficient Semantic Segmentation of LiDAR Point Clouds in Adverse Weather Conditions
Adverse weather conditions can severely affect the performance of LiDAR sensors by introducing unwanted noise in the measurements. Therefore, differentiating between noise and valid points is crucial for the reliable use of these sensors. Current approaches for detecting adverse weather points require large amounts of ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
464,137
2011.13077
Functional Time Series Forecasting: Functional Singular Spectrum Analysis Approaches
In this paper, we propose two nonparametric methods used in the forecasting of functional time-dependent data, namely functional singular spectrum analysis recurrent forecasting and vector forecasting. Both algorithms utilize the results of functional singular spectrum analysis and past observations in order to predict...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
208,358
2112.04330
Estimation in Rotationally Invariant Generalized Linear Models via Approximate Message Passing
We consider the problem of signal estimation in generalized linear models defined via rotationally invariant design matrices. Since these matrices can have an arbitrary spectral distribution, this model is well suited for capturing complex correlation structures which often arise in applications. We propose a novel fam...
false
false
false
false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
270,492
2312.05786
Deep Learning for Joint Design of Pilot, Channel Feedback, and Hybrid Beamforming in FDD Massive MIMO-OFDM Systems
This letter considers the transceiver design in frequency division duplex (FDD) massive multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems for high-quality data transmission. We propose a novel deep learning based framework where the procedures of pilot design, channel feedb...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
414,237
1811.01282
Partitions of Matrix Spaces With an Application to $q$-Rook Polynomials
We study the row-space partition and the pivot partition on the matrix space $\mathbb{F}_q^{n \times m}$. We show that both these partitions are reflexive and that the row-space partition is self-dual. Moreover, using various combinatorial methods, we explicitly compute the Krawtchouk coefficients associated with these...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
112,319
2008.04652
Scientific Article Recommendation: Exploiting Common Author Relations and Historical Preferences
Scientific article recommender systems are playing an increasingly important role for researchers in retrieving scientific articles of interest in the coming era of big scholarly data. Most existing studies have designed unified methods for all target researchers and hence the same algorithms are run to generate recomm...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
true
191,289
2102.10905
Joint Intent Detection And Slot Filling Based on Continual Learning Model
Slot filling and intent detection have become a significant theme in the field of natural language understanding. Even though slot filling is intensively associated with intent detection, the characteristics of the information required for both tasks are different while most of those approaches may not fully aware of t...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
221,257
1905.13164
Hierarchical Transformers for Multi-Document Summarization
In this paper, we develop a neural summarization model which can effectively process multiple input documents and distill Transformer architecture with the ability to encode documents in a hierarchical manner. We represent cross-document relationships via an attention mechanism which allows to share information as oppo...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
133,015
2412.04637
Semantic Retrieval at Walmart
In product search, the retrieval of candidate products before re-ranking is more critical and challenging than other search like web search, especially for tail queries, which have a complex and specific search intent. In this paper, we present a hybrid system for e-commerce search deployed at Walmart that combines tra...
false
false
false
false
true
true
true
false
false
false
false
false
false
false
false
false
false
false
514,492
2103.12992
Non-Compression Auto-Encoder for Detecting Road Surface Abnormality via Vehicle Driving Noise
Road accident can be triggered by wet road because it decreases skid resistance. To prevent the road accident, detecting road surface abnomality is highly useful. In this paper, we propose the deep learning based cost-effective real-time anomaly detection architecture, naming with non-compression auto-encoder (NCAE). T...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
226,351
2407.13873
Keypoint Aware Masked Image Modelling
SimMIM is a widely used method for pretraining vision transformers using masked image modeling. However, despite its success in fine-tuning performance, it has been shown to perform sub-optimally when used for linear probing. We propose an efficient patch-wise weighting derived from keypoint features which captures the...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
474,547
1809.02709
Exploiting Edge Features in Graph Neural Networks
Edge features contain important information about graphs. However, current state-of-the-art neural network models designed for graph learning, e.g. graph convolutional networks (GCN) and graph attention networks (GAT), adequately utilize edge features, especially multi-dimensional edge features. In this paper, we build...
false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
false
false
false
107,107
2410.11861
Investigating Role of Big Five Personality Traits in Audio-Visual Rapport Estimation
Automatic rapport estimation in social interactions is a central component of affective computing. Recent reports have shown that the estimation performance of rapport in initial interactions can be improved by using the participant's personality traits as the model's input. In this study, we investigate whether this f...
true
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
498,750
1506.08472
Solving the power flow equations: a monotone operator approach
The AC power flow equations underlie all operational aspects of power systems. They are solved routinely in operational practice using the Newton-Raphson method and its variants. These methods work well given a good initial "guess" for the solution, which is always available in normal system operations. However, with t...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
44,619
1811.10433
Compact and Efficient Encodings for Planning in Factored State and Action Spaces with Learned Binarized Neural Network Transition Models
In this paper, we leverage the efficiency of Binarized Neural Networks (BNNs) to learn complex state transition models of planning domains with discretized factored state and action spaces. In order to directly exploit this transition structure for planning, we present two novel compilations of the learned factored pla...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
114,491
cs/0611046
Analytic Tableaux Calculi for KLM Logics of Nonmonotonic Reasoning
We present tableau calculi for some logics of nonmonotonic reasoning, as defined by Kraus, Lehmann and Magidor. We give a tableau proof procedure for all KLM logics, namely preferential, loop-cumulative, cumulative and rational logics. Our calculi are obtained by introducing suitable modalities to interpret conditional...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
true
539,867
2006.09117
End-to-End Real-time Catheter Segmentation with Optical Flow-Guided Warping during Endovascular Intervention
Accurate real-time catheter segmentation is an important pre-requisite for robot-assisted endovascular intervention. Most of the existing learning-based methods for catheter segmentation and tracking are only trained on small-scale datasets or synthetic data due to the difficulties of ground-truth annotation. Furthermo...
false
false
false
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
182,434