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541k
2108.12159
Anomaly Detection of Defect using Energy of Point Pattern Features within Random Finite Set Framework
In this paper, we propose an efficient approach for industrial defect detection that is modeled based on anomaly detection using point pattern data. Most recent works use \textit{global features} for feature extraction to summarize image content. However, global features are not robust against lighting and viewpoint ch...
false
false
false
false
false
false
true
false
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false
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252,411
1710.05741
A Disentangled Recognition and Nonlinear Dynamics Model for Unsupervised Learning
This paper takes a step towards temporal reasoning in a dynamically changing video, not in the pixel space that constitutes its frames, but in a latent space that describes the non-linear dynamics of the objects in its world. We introduce the Kalman variational auto-encoder, a framework for unsupervised learning of seq...
false
false
false
false
false
false
true
false
false
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false
false
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82,681
1804.07270
Deep Dynamic Boosted Forest
Random forest is widely exploited as an ensemble learning method. In many practical applications, however, there is still a significant challenge to learn from imbalanced data. To alleviate this limitation, we propose a deep dynamic boosted forest (DDBF), a novel ensemble algorithm that incorporates the notion of hard ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
95,494
1906.02402
An Analysis of Emotion Communication Channels in Fan Fiction: Towards Emotional Storytelling
Centrality of emotion for the stories told by humans is underpinned by numerous studies in literature and psychology. The research in automatic storytelling has recently turned towards emotional storytelling, in which characters' emotions play an important role in the plot development. However, these studies mainly use...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
134,042
1909.04812
Proceedings of the AI-HRI Symposium at AAAI-FSS 2019
The past few years have seen rapid progress in the development of service robots. Universities and companies alike have launched major research efforts toward the deployment of ambitious systems designed to aid human operators performing a variety of tasks. These robots are intended to make those who may otherwise need...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
144,905
2501.07088
MathReader : Text-to-Speech for Mathematical Documents
TTS (Text-to-Speech) document reader from Microsoft, Adobe, Apple, and OpenAI have been serviced worldwide. They provide relatively good TTS results for general plain text, but sometimes skip contents or provide unsatisfactory results for mathematical expressions. This is because most modern academic papers are written...
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
524,261
1502.00115
Optimized Projection for Sparse Representation Based Classification
Dimensionality reduction (DR) methods have been commonly used as a principled way to understand the high-dimensional data such as facial images. In this paper, we propose a new supervised DR method called Optimized Projection for Sparse Representation based Classification (OP-SRC), which is based on the recent face rec...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
39,767
2404.16251
Prompt Leakage effect and defense strategies for multi-turn LLM interactions
Prompt leakage poses a compelling security and privacy threat in LLM applications. Leakage of system prompts may compromise intellectual property, and act as adversarial reconnaissance for an attacker. A systematic evaluation of prompt leakage threats and mitigation strategies is lacking, especially for multi-turn LLM ...
false
false
false
false
true
false
false
false
true
false
false
false
true
false
false
false
false
false
449,410
2309.12235
Distributed Conjugate Gradient Method via Conjugate Direction Tracking
We present a distributed conjugate gradient method for distributed optimization problems, where each agent computes an optimal solution of the problem locally without any central computation or coordination, while communicating with its immediate, one-hop neighbors over a communication network. Each agent updates its l...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
false
true
393,709
1811.00464
A latent topic model for mining heterogenous non-randomly missing electronic health records data
Electronic health records (EHR) are rich heterogeneous collection of patient health information, whose broad adoption provides great opportunities for systematic health data mining. However, heterogeneous EHR data types and biased ascertainment impose computational challenges. Here, we present mixEHR, an unsupervised g...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
112,105
1908.04725
Learning elementary structures for 3D shape generation and matching
We propose to represent shapes as the deformation and combination of learnable elementary 3D structures, which are primitives resulting from training over a collection of shape. We demonstrate that the learned elementary 3D structures lead to clear improvements in 3D shape generation and matching. More precisely, we pr...
false
false
false
false
true
false
false
false
false
false
false
true
false
false
false
false
false
false
141,554
2412.04678
Unsupervised Segmentation by Diffusing, Walking and Cutting
We propose an unsupervised image segmentation method using features from pre-trained text-to-image diffusion models. Inspired by classic spectral clustering approaches, we construct adjacency matrices from self-attention layers between image patches and recursively partition using Normalised Cuts. A key insight is that...
false
false
false
false
false
false
false
false
false
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true
false
false
false
false
false
false
514,513
2204.04462
A3CLNN: Spatial, Spectral and Multiscale Attention ConvLSTM Neural Network for Multisource Remote Sensing Data Classification
The problem of effectively exploiting the information multiple data sources has become a relevant but challenging research topic in remote sensing. In this paper, we propose a new approach to exploit the complementarity of two data sources: hyperspectral images (HSIs) and light detection and ranging (LiDAR) data. Speci...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
290,667
2410.11870
Post-Userist Recommender Systems : A Manifesto
We define userist recommendation as an approach to recommender systems framed solely in terms of the relation between the user and system. Post-userist recommendation posits a larger field of relations in which stakeholders are embedded and distinguishes the recommendation function (which can potentially connect creato...
true
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
498,758
1804.08087
Anchor-based Nearest Class Mean Loss for Convolutional Neural Networks
Discriminative features are critical for machine learning applications. Most existing deep learning approaches, however, rely on convolutional neural networks (CNNs) for learning features, whose discriminant power is not explicitly enforced. In this paper, we propose a novel approach to train deep CNNs by imposing the ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
95,687
2310.13499
DistillCSE: Distilled Contrastive Learning for Sentence Embeddings
This paper proposes the DistillCSE framework, which performs contrastive learning under the self-training paradigm with knowledge distillation. The potential advantage of DistillCSE is its self-enhancing feature: using a base model to provide additional supervision signals, a stronger model may be learned through knowl...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
401,468
2009.05792
A CNN Based Approach for the Near-Field Photometric Stereo Problem
Reconstructing the 3D shape of an object using several images under different light sources is a very challenging task, especially when realistic assumptions such as light propagation and attenuation, perspective viewing geometry and specular light reflection are considered. Many of works tackling Photometric Stereo (P...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
195,428
2210.17170
Efficient Document Retrieval by End-to-End Refining and Quantizing BERT Embedding with Contrastive Product Quantization
Efficient document retrieval heavily relies on the technique of semantic hashing, which learns a binary code for every document and employs Hamming distance to evaluate document distances. However, existing semantic hashing methods are mostly established on outdated TFIDF features, which obviously do not contain lots o...
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
327,597
1901.04675
EV Charging Optimization based on Day-ahead Pricing Incorporating Consumer Behavior
With the increasing penetration of electric vehicles (EVs) into the automotive market, the electricity peak demand would increase significantly due to home-EV-charging. This paper tackles this problem by defining an 'ideal' EV consumption profile, from which a day-ahead pricing model is derived. Based on historical res...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
118,642
2404.09633
In-Context Translation: Towards Unifying Image Recognition, Processing, and Generation
We propose In-Context Translation (ICT), a general learning framework to unify visual recognition (e.g., semantic segmentation), low-level image processing (e.g., denoising), and conditional image generation (e.g., edge-to-image synthesis). Thanks to unification, ICT significantly reduces the inherent inductive bias th...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
446,771
2211.03888
Proceedings of Principle and practice of data and Knowledge Acquisition Workshop 2022 (PKAW 2022)
Over the past two decades, PKAW has provided a forum for researchers and practitioners to discuss the state-of-the-arts in the area of knowledge acquisition and machine intelligence (MI, also Artificial Intelligence, AI). PKAW2022 will continue the above focus and welcome the contributions on the multi-disciplinary app...
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false
false
false
true
false
false
false
false
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false
false
false
false
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false
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329,064
2404.14027
OccFeat: Self-supervised Occupancy Feature Prediction for Pretraining BEV Segmentation Networks
We introduce a self-supervised pretraining method, called OccFeat, for camera-only Bird's-Eye-View (BEV) segmentation networks. With OccFeat, we pretrain a BEV network via occupancy prediction and feature distillation tasks. Occupancy prediction provides a 3D geometric understanding of the scene to the model. However, ...
false
false
false
false
false
false
true
false
false
false
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true
false
false
false
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false
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448,540
2008.12091
Limitations of Implicit Bias in Matrix Sensing: Initialization Rank Matters
In matrix sensing, we first numerically identify the sensitivity to the initialization rank as a new limitation of the implicit bias of gradient flow. We will partially quantify this phenomenon mathematically, where we establish that the gradient flow of the empirical risk is implicitly biased towards low-rank outcomes...
false
false
false
false
false
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true
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false
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193,481
2303.15324
Can Large Language Models design a Robot?
Large Language Models can lead researchers in the design of robots.
false
false
false
false
false
false
false
true
false
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354,451
1911.00954
Problem Dependent Reinforcement Learning Bounds Which Can Identify Bandit Structure in MDPs
In order to make good decision under uncertainty an agent must learn from observations. To do so, two of the most common frameworks are Contextual Bandits and Markov Decision Processes (MDPs). In this paper, we study whether there exist algorithms for the more general framework (MDP) which automatically provide the bes...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
151,967
1601.02284
Update or Wait: How to Keep Your Data Fresh
In this work, we study how to optimally manage the freshness of information updates sent from a source node to a destination via a channel. A proper metric for data freshness at the destination is the age-of-information, or simply age, which is defined as how old the freshest received update is since the moment that th...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
50,818
2401.05045
Improved Bounds on the Number of Support Points of the Capacity-Achieving Input for Amplitude Constrained Poisson Channels
This work considers a discrete-time Poisson noise channel with an input amplitude constraint $\mathsf{A}$ and a dark current parameter $\lambda$. It is known that the capacity-achieving distribution for this channel is discrete with finitely many points. Recently, for $\lambda=0$, a lower bound of order $\sqrt{\mathsf{...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
420,630
2203.07285
Diversifying Content Generation for Commonsense Reasoning with Mixture of Knowledge Graph Experts
Generative commonsense reasoning (GCR) in natural language is to reason about the commonsense while generating coherent text. Recent years have seen a surge of interest in improving the generation quality of commonsense reasoning tasks. Nevertheless, these approaches have seldom investigated diversity in the GCR tasks,...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
285,385
2011.11637
Nudge Attacks on Point-Cloud DNNs
The wide adaption of 3D point-cloud data in safety-critical applications such as autonomous driving makes adversarial samples a real threat. Existing adversarial attacks on point clouds achieve high success rates but modify a large number of points, which is usually difficult to do in real-life scenarios. In this paper...
false
false
false
false
true
false
true
false
false
false
false
true
true
false
false
false
false
false
207,892
2006.16442
Provable Online CP/PARAFAC Decomposition of a Structured Tensor via Dictionary Learning
We consider the problem of factorizing a structured 3-way tensor into its constituent Canonical Polyadic (CP) factors. This decomposition, which can be viewed as a generalization of singular value decomposition (SVD) for tensors, reveals how the tensor dimensions (features) interact with each other. However, since the ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
184,811
1812.05206
Design Pseudo Ground Truth with Motion Cue for Unsupervised Video Object Segmentation
One major technique debt in video object segmentation is to label the object masks for training instances. As a result, we propose to prepare inexpensive, yet high quality pseudo ground truth corrected with motion cue for video object segmentation training. Our method conducts semantic segmentation using instance segme...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
116,361
1904.09856
Learning to Calibrate Straight Lines for Fisheye Image Rectification
This paper presents a new deep-learning based method to simultaneously calibrate the intrinsic parameters of fisheye lens and rectify the distorted images. Assuming that the distorted lines generated by fisheye projection should be straight after rectification, we propose a novel deep neural network to impose explicit ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
128,501
2102.06228
Learning Gaussian-Bernoulli RBMs using Difference of Convex Functions Optimization
The Gaussian-Bernoulli restricted Boltzmann machine (GB-RBM) is a useful generative model that captures meaningful features from the given $n$-dimensional continuous data. The difficulties associated with learning GB-RBM are reported extensively in earlier studies. They indicate that the training of the GB-RBM using th...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
219,678
2004.14704
A Span-based Linearization for Constituent Trees
We propose a novel linearization of a constituent tree, together with a new locally normalized model. For each split point in a sentence, our model computes the normalizer on all spans ending with that split point, and then predicts a tree span from them. Compared with global models, our model is fast and parallelizabl...
false
false
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
174,981
2205.02116
Optimizing One-pixel Black-box Adversarial Attacks
The output of Deep Neural Networks (DNN) can be altered by a small perturbation of the input in a black box setting by making multiple calls to the DNN. However, the high computation and time required makes the existing approaches unusable. This work seeks to improve the One-pixel (few-pixel) black-box adversarial atta...
false
false
false
false
false
false
true
false
false
false
false
false
true
false
false
false
false
false
294,849
1806.07155
Semi-supervised Hashing for Semi-Paired Cross-View Retrieval
Recently, hashing techniques have gained importance in large-scale retrieval tasks because of their retrieval speed. Most of the existing cross-view frameworks assume that data are well paired. However, the fully-paired multiview situation is not universal in real applications. The aim of the method proposed in this pa...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
100,854
2207.07483
A Systematic Review and Replicability Study of BERT4Rec for Sequential Recommendation
BERT4Rec is an effective model for sequential recommendation based on the Transformer architecture. In the original publication, BERT4Rec claimed superiority over other available sequential recommendation approaches (e.g. SASRec), and it is now frequently being used as a state-of-the art baseline for sequential recomme...
false
false
false
false
true
true
true
false
false
false
false
false
false
false
false
false
false
false
308,213
2010.03222
Unsupervised Evaluation for Question Answering with Transformers
It is challenging to automatically evaluate the answer of a QA model at inference time. Although many models provide confidence scores, and simple heuristics can go a long way towards indicating answer correctness, such measures are heavily dataset-dependent and are unlikely to generalize. In this work, we begin by inv...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
199,330
1710.09289
Automated cardiovascular magnetic resonance image analysis with fully convolutional networks
Cardiovascular magnetic resonance (CMR) imaging is a standard imaging modality for assessing cardiovascular diseases (CVDs), the leading cause of death globally. CMR enables accurate quantification of the cardiac chamber volume, ejection fraction and myocardial mass, providing information for diagnosis and monitoring o...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
83,184
1203.3477
A Scalable Method for Solving High-Dimensional Continuous POMDPs Using Local Approximation
Partially-Observable Markov Decision Processes (POMDPs) are typically solved by finding an approximate global solution to a corresponding belief-MDP. In this paper, we offer a new planning algorithm for POMDPs with continuous state, action and observation spaces. Since such domains have an inherent notion of locality, ...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
14,925
2103.11370
Online Convex Optimization with Continuous Switching Constraint
In many sequential decision making applications, the change of decision would bring an additional cost, such as the wear-and-tear cost associated with changing server status. To control the switching cost, we introduce the problem of online convex optimization with continuous switching constraint, where the goal is to ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
225,784
2306.08329
Research on an improved Conformer end-to-end Speech Recognition Model with R-Drop Structure
To address the issue of poor generalization ability in end-to-end speech recognition models within deep learning, this study proposes a new Conformer-based speech recognition model called "Conformer-R" that incorporates the R-drop structure. This model combines the Conformer model, which has shown promising results in ...
false
false
true
false
false
false
false
false
true
false
false
false
false
false
false
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false
false
373,377
2110.06416
MMIU: Dataset for Visual Intent Understanding in Multimodal Assistants
In multimodal assistant, where vision is also one of the input modalities, the identification of user intent becomes a challenging task as visual input can influence the outcome. Current digital assistants take spoken input and try to determine the user intent from conversational or device context. So, a dataset, which...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
260,609
2005.06879
Solve Traveling Salesman Problem by Monte Carlo Tree Search and Deep Neural Network
We present a self-learning approach that combines deep reinforcement learning and Monte Carlo tree search to solve the traveling salesman problem. The proposed approach has two advantages. First, it adopts deep reinforcement learning to compute the value functions for decision, which removes the need of hand-crafted fe...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
177,132
1909.00437
Evaluating the Cross-Lingual Effectiveness of Massively Multilingual Neural Machine Translation
The recently proposed massively multilingual neural machine translation (NMT) system has been shown to be capable of translating over 100 languages to and from English within a single model. Its improved translation performance on low resource languages hints at potential cross-lingual transfer capability for downstrea...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
143,635
2404.09574
Predicting and Analyzing Pedestrian Crossing Behavior at Unsignalized Crossings
Understanding and predicting pedestrian crossing behavior is essential for enhancing automated driving and improving driving safety. Predicting gap selection behavior and the use of zebra crossing enables driving systems to proactively respond and prevent potential conflicts. This task is particularly challenging at un...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
446,742
2408.17157
Optimizing Traversal Queries of Sensor Data Using a Rule-Based Reachability Approach
Link Traversal queries face challenges in completeness and long execution time due to the size of the web. Reachability criteria define completeness by restricting the links followed by engines. However, the number of links to dereference remains the bottleneck of the approach. Web environments often have structures ex...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
484,600
2308.06862
Effect of Choosing Loss Function when Using T-batching for Representation Learning on Dynamic Networks
Representation learning methods have revolutionized machine learning on networks by converting discrete network structures into continuous domains. However, dynamic networks that evolve over time pose new challenges. To address this, dynamic representation learning methods have gained attention, offering benefits like ...
false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
false
false
false
385,296
2102.05210
D2A U-Net: Automatic Segmentation of COVID-19 Lesions from CT Slices with Dilated Convolution and Dual Attention Mechanism
Coronavirus Disease 2019 (COVID-19) has caused great casualties and becomes almost the most urgent public health events worldwide. Computed tomography (CT) is a significant screening tool for COVID-19 infection, and automated segmentation of lung infection in COVID-19 CT images will greatly assist diagnosis and health ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
219,356
1812.06307
Generative adversarial networks for generation and classification of physical rehabilitation movement episodes
This article proposes a method for mathematical modeling of human movements related to patient exercise episodes performed during physical therapy sessions by using artificial neural networks. The generative adversarial network structure is adopted, whereby a discriminative and a generative model are trained concurrent...
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false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
116,585
1904.02383
Artificial Neural Network Modeling for Path Loss Prediction in Urban Environments
Although various linear log-distance path loss models have been developed, advanced models are requiring to more accurately and flexibly represent the path loss for complex environments such as the urban area. This letter proposes an artificial neural network (ANN) based multi-dimensional regression framework for path ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
126,417
2104.00426
WakaVT: A Sequential Variational Transformer for Waka Generation
Poetry generation has long been a challenge for artificial intelligence. In the scope of Japanese poetry generation, many researchers have paid attention to Haiku generation, but few have focused on Waka generation. To further explore the creative potential of natural language generation systems in Japanese poetry crea...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
227,997
2305.10736
Counterfactual Debiasing for Generating Factually Consistent Text Summaries
Despite substantial progress in abstractive text summarization to generate fluent and informative texts, the factual inconsistency in the generated summaries remains an important yet challenging problem to be solved. In this paper, we construct causal graphs for abstractive text summarization and identify the intrinsic...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
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false
false
false
365,208
1310.4849
On the Bayes-optimality of F-measure maximizers
The F-measure, which has originally been introduced in information retrieval, is nowadays routinely used as a performance metric for problems such as binary classification, multi-label classification, and structured output prediction. Optimizing this measure is a statistically and computationally challenging problem, s...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
27,843
1903.06261
Graph Hierarchical Convolutional Recurrent Neural Network (GHCRNN) for Vehicle Condition Prediction
The prediction of urban vehicle flow and speed can greatly facilitate people's travel, and also can provide reasonable advice for the decision-making of relevant government departments. However, due to the spatial, temporal and hierarchy of vehicle flow and many influencing factors such as weather, it is difficult to p...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
124,338
2010.05171
fairseq S2T: Fast Speech-to-Text Modeling with fairseq
We introduce fairseq S2T, a fairseq extension for speech-to-text (S2T) modeling tasks such as end-to-end speech recognition and speech-to-text translation. It follows fairseq's careful design for scalability and extensibility. We provide end-to-end workflows from data pre-processing, model training to offline (online) ...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
200,015
2404.19015
Simple-RF: Regularizing Sparse Input Radiance Fields with Simpler Solutions
Neural Radiance Fields (NeRF) show impressive performance in photo-realistic free-view rendering of scenes. Recent improvements on the NeRF such as TensoRF and ZipNeRF employ explicit models for faster optimization and rendering, as compared to the NeRF that employs an implicit representation. However, both implicit an...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
450,472
2005.02161
LambdaNet: Probabilistic Type Inference using Graph Neural Networks
As gradual typing becomes increasingly popular in languages like Python and TypeScript, there is a growing need to infer type annotations automatically. While type annotations help with tasks like code completion and static error catching, these annotations cannot be fully determined by compilers and are tedious to ann...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
175,793
2305.19049
Space MIMO: Direct Unmodified Handheld to Multi-Satellite Communication
This paper examines the uplink transmission of a single-antenna handsheld user to a cluster of satellites, with a focus on utilizing the inter-satellite links to enable cooperative signal detection. Two cases are studied: one with full CSI and the other with partial CSI between satellites. The two cases are compared in...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
369,355
2401.16519
Extending the kinematic theory of rapid movements with new primitives
The Kinematic Theory of rapid movements, and its associated Sigma-Lognormal, model 2D spatiotemporal trajectories. It is constructed mainly as a temporal overlap of curves between virtual target points. Specifically, it uses an arc and a lognormal as primitives for the representation of the trajectory and velocity, res...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
424,861
1710.08107
Probabilistic Pursuits on Graphs
We consider discrete dynamical systems of "ant-like" agents engaged in a sequence of pursuits on a graph environment. The agents emerge one by one at equal time intervals from a source vertex $s$ and pursue each other by greedily attempting to close the distance to their immediate predecessor, the agent that emerged ju...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
true
83,038
2311.16446
Centre Stage: Centricity-based Audio-Visual Temporal Action Detection
Previous one-stage action detection approaches have modelled temporal dependencies using only the visual modality. In this paper, we explore different strategies to incorporate the audio modality, using multi-scale cross-attention to fuse the two modalities. We also demonstrate the correlation between the distance from...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
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false
410,887
2203.05178
An Audio-Visual Attention Based Multimodal Network for Fake Talking Face Videos Detection
DeepFake based digital facial forgery is threatening the public media security, especially when lip manipulation has been used in talking face generation, the difficulty of fake video detection is further improved. By only changing lip shape to match the given speech, the facial features of identity is hard to be discr...
false
false
true
false
false
false
false
false
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true
false
false
false
false
false
false
284,732
2404.08582
FashionFail: Addressing Failure Cases in Fashion Object Detection and Segmentation
In the realm of fashion object detection and segmentation for online shopping images, existing state-of-the-art fashion parsing models encounter limitations, particularly when exposed to non-model-worn apparel and close-up shots. To address these failures, we introduce FashionFail; a new fashion dataset with e-commerce...
false
false
false
false
true
false
false
false
false
false
false
true
false
false
false
false
false
false
446,300
1705.01861
Action Tubelet Detector for Spatio-Temporal Action Localization
Current state-of-the-art approaches for spatio-temporal action localization rely on detections at the frame level that are then linked or tracked across time. In this paper, we leverage the temporal continuity of videos instead of operating at the frame level. We propose the ACtion Tubelet detector (ACT-detector) that ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
72,894
2208.09169
Cost and efficiency requirements for a successful electricity storage in a highly renewable European energy system
Future highly renewable energy systems might require substantial storage deployment. At the current stage, the technology portfolio of dominant storage options is limited to pumped-hydro storage and Li-Ion batteries. It is uncertain which storage design will be able to compete with these options. Considering Europe as ...
false
false
false
false
false
false
false
false
false
false
true
false
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false
false
false
false
313,612
1710.10248
Tensor network language model
We propose a new statistical model suitable for machine learning of systems with long distance correlations such as natural languages. The model is based on directed acyclic graph decorated by multi-linear tensor maps in the vertices and vector spaces in the edges, called tensor network. Such tensor networks have been ...
false
false
false
false
false
false
true
false
true
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false
false
false
false
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true
false
false
83,337
2110.05165
Exchangeability-Aware Sum-Product Networks
Sum-Product Networks (SPNs) are expressive probabilistic models that provide exact, tractable inference. They achieve this efficiency by making use of local independence. On the other hand, mixtures of exchangeable variable models (MEVMs) are a class of tractable probabilistic models that make use of exchangeability of...
false
false
false
false
true
false
true
false
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false
false
false
260,186
2411.11044
Efficient Federated Unlearning with Adaptive Differential Privacy Preservation
Federated unlearning (FU) offers a promising solution to effectively address the need to erase the impact of specific clients' data on the global model in federated learning (FL), thereby granting individuals the ``Right to be Forgotten". The most straightforward approach to achieve unlearning is to train the model fro...
false
false
false
false
false
false
true
false
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false
true
false
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false
false
508,898
2205.09191
High-Order Multilinear Discriminant Analysis via Order-$\textit{n}$ Tensor Eigendecomposition
Higher-order data with high dimensionality is of immense importance in many areas of machine learning, computer vision, and video analytics. Multidimensional arrays (commonly referred to as tensors) are used for arranging higher-order data structures while keeping the natural representation of the data samples. In the ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
297,180
1603.06121
Buried object detection using handheld WEMI with task-driven extended functions of multiple instances
Many effective supervised discriminative dictionary learning methods have been developed in the literature. However, when training these algorithms, precise ground-truth of the training data is required to provide very accurate point-wise labels. Yet, in many applications, accurate labels are not always feasible. This ...
false
false
false
false
false
false
false
false
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false
true
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false
false
false
false
53,444
2002.10131
Modeling Aggression Propagation on Social Media
Cyberaggression has been studied in various contexts and online social platforms, and modeled on different data using state-of-the-art machine and deep learning algorithms to enable automatic detection and blocking of this behavior. Users can be influenced to act aggressively or even bully others because of elevated to...
false
false
false
true
false
false
false
false
false
false
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false
false
165,301
1608.05470
Dual User Selection for Security Enhancement in Uplink Multiuser Systems
This letter proposes a novel dual user selection scheme for uplink transmission with multiple users, where a jamming user and a served user are jointly selected to improve the secrecy performance. Specifically, the jamming user transmits jamming signal with a certain rate, so that the base station (BS) can decode the j...
false
false
false
false
false
false
false
false
false
true
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false
false
false
false
false
false
59,980
1702.02223
Comparison of machine learning methods for classifying mediastinal lymph node metastasis of non-small cell lung cancer from 18F-FDG PET/CT images
The present study shows that the performance of CNN is not significantly different from the best classical methods and human doctors for classifying mediastinal lymph node metastasis of NSCLC from PET/CT images. Because CNN does not need tumor segmentation or feature calculation, it is more convenient and more objectiv...
false
false
false
false
false
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false
true
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false
false
67,945
2110.11316
CLOOB: Modern Hopfield Networks with InfoLOOB Outperform CLIP
CLIP yielded impressive results on zero-shot transfer learning tasks and is considered as a foundation model like BERT or GPT3. CLIP vision models that have a rich representation are pre-trained using the InfoNCE objective and natural language supervision before they are fine-tuned on particular tasks. Though CLIP exce...
false
false
false
false
false
false
true
false
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true
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false
false
false
262,440
2311.17978
AutArch: An AI-assisted workflow for object detection and automated recording in archaeological catalogues
The context of this paper is the creation of large uniform archaeological datasets from heterogeneous published resources, such as find catalogues - with the help of AI and Big Data. The paper is concerned with the challenge of consistent assemblages of archaeological data. We cannot simply combine existing records, as...
false
false
false
false
false
false
true
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true
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false
false
false
false
true
411,512
2112.03103
FastWARC: Optimizing Large-Scale Web Archive Analytics
Web search and other large-scale web data analytics rely on processing archives of web pages stored in a standardized and efficient format. Since its introduction in 2008, the IIPC's Web ARCive (WARC) format has become the standard format for this purpose. As a list of individually compressed records of HTTP requests a...
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
270,086
1207.4074
An analytical comparison of coalescent-based multilocus methods: The three-taxon case
Incomplete lineage sorting (ILS) is a common source of gene tree incongruence in multilocus analyses. A large number of methods have been developed to infer species trees in the presence of ILS. Here we provide a mathematical analysis of several coalescent-based methods. Our analysis is performed on a three-taxon speci...
false
true
false
false
false
false
false
false
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false
false
false
false
false
false
true
17,529
2306.17038
Comparison of Single- and Multi- Objective Optimization Quality for Evolutionary Equation Discovery
Evolutionary differential equation discovery proved to be a tool to obtain equations with less a priori assumptions than conventional approaches, such as sparse symbolic regression over the complete possible terms library. The equation discovery field contains two independent directions. The first one is purely mathema...
false
false
false
false
false
false
true
false
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false
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false
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true
false
false
376,570
1704.01788
A Survey of Skyline Query Processing
Living in the Information Age allows almost everyone have access to a large amount of information and options to choose from in order to fulfill their needs. In many cases, the amount of information available and the rate of change may hide the optimal and truly desired solution. This reveals the need of a mechanism th...
false
false
false
false
false
false
false
false
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false
false
false
false
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false
true
false
71,325
2305.06691
Correcting One Error in Non-Binary Channels with Feedback
In this paper, the problem of correction of a single error in $q$-ary symmetric channel with noiseless feedback is considered. We propose an algorithm to construct codes with feedback inductively. For all prime power $q$ we prove that two instances of feedback are sufficient to transmit over the $q$-ary symmetric chann...
false
false
false
false
false
false
false
false
false
true
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false
false
false
false
false
false
false
363,634
2411.11906
$\text{S}^{3}$Mamba: Arbitrary-Scale Super-Resolution via Scaleable State Space Model
Arbitrary scale super-resolution (ASSR) aims to super-resolve low-resolution images to high-resolution images at any scale using a single model, addressing the limitations of traditional super-resolution methods that are restricted to fixed-scale factors (e.g., $\times2$, $\times4$). The advent of Implicit Neural Repre...
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false
false
false
false
false
false
false
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false
false
true
false
false
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false
false
false
509,220
2302.07510
Best Arm Identification for Stochastic Rising Bandits
Stochastic Rising Bandits (SRBs) model sequential decision-making problems in which the expected reward of the available options increases every time they are selected. This setting captures a wide range of scenarios in which the available options are learning entities whose performance improves (in expectation) over t...
false
false
false
false
false
false
true
false
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false
false
false
345,753
1808.07185
Keyphrase Generation with Correlation Constraints
In this paper, we study automatic keyphrase generation. Although conventional approaches to this task show promising results, they neglect correlation among keyphrases, resulting in duplication and coverage issues. To solve these problems, we propose a new sequence-to-sequence architecture for keyphrase generation name...
false
false
false
false
false
false
false
false
true
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false
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false
false
false
105,682
2305.10747
Strong Structural Controllability of Structured Networks with MIMO node systems
The article addresses the problem of strong structural controllability of structured networks with multi-input multi-output (MIMO) node systems. The authors first present necessary and sufficient conditions for strong structural controllability, which involve both algebraic and graph-theoretic aspects. These conditions...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
365,213
2401.09819
PPNet: A Two-Stage Neural Network for End-to-end Path Planning
The classical path planners, such as sampling-based path planners, can provide probabilistic completeness guarantees in the sense that the probability that the planner fails to return a solution if one exists, decays to zero as the number of samples approaches infinity. However, finding a near-optimal feasible solution...
false
false
false
false
true
false
true
true
false
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false
false
422,397
1910.14258
Towards a Predictive Patent Analytics and Evaluation Platform
The importance of patents is well recognised across many regions of the world. Many patent mining systems have been proposed, but with limited predictive capabilities. In this demo, we showcase how predictive algorithms leveraging the state-of-the-art machine learning and deep learning techniques can be used to improve...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
151,606
2401.02160
Human-in-the-Loop Policy Optimization for Preference-Based Multi-Objective Reinforcement Learning
Multi-objective reinforcement learning (MORL) aims to find a set of high-performing and diverse policies that address trade-offs between multiple conflicting objectives. However, in practice, decision makers (DMs) often deploy only one or a limited number of trade-off policies. Providing too many diversified trade-off ...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
false
419,627
2208.04268
Label-Free Synthetic Pretraining of Object Detectors
We propose a new approach, Synthetic Optimized Layout with Instance Detection (SOLID), to pretrain object detectors with synthetic images. Our "SOLID" approach consists of two main components: (1) generating synthetic images using a collection of unlabelled 3D models with optimized scene arrangement; (2) pretraining an...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
312,051
1610.09077
Integrating Topic Models and Latent Factors for Recommendation
Nowadays, we have large amounts of online items in various web-based applications, which makes it an important task to build effective personalized recommender systems so as to save users' efforts in information seeking. One of the most extensively and successfully used methods for personalized recommendation is the Co...
false
false
false
false
true
true
false
false
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false
false
false
false
false
false
false
62,999
1909.04697
When Single Event Upset Meets Deep Neural Networks: Observations, Explorations, and Remedies
Deep Neural Network has proved its potential in various perception tasks and hence become an appealing option for interpretation and data processing in security sensitive systems. However, security-sensitive systems demand not only high perception performance, but also design robustness under various circumstances. Unl...
false
false
false
false
false
false
true
false
false
false
false
false
true
false
false
false
false
false
144,867
2502.07579
Single-Step Consistent Diffusion Samplers
Sampling from unnormalized target distributions is a fundamental yet challenging task in machine learning and statistics. Existing sampling algorithms typically require many iterative steps to produce high-quality samples, leading to high computational costs that limit their practicality in time-sensitive or resource-c...
false
false
false
false
false
false
true
false
false
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false
false
false
false
false
false
false
532,669
1705.10887
Efficient, sparse representation of manifold distance matrices for classical scaling
Geodesic distance matrices can reveal shape properties that are largely invariant to non-rigid deformations, and thus are often used to analyze and represent 3-D shapes. However, these matrices grow quadratically with the number of points. Thus for large point sets it is common to use a low-rank approximation to the di...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
true
74,489
1905.12966
Quantifying consensus of rankings based on q-support patterns
Rankings, representing preferences over a set of candidates, are widely used in many information systems, e.g., group decision making and information retrieval. It is of great importance to evaluate the consensus of the obtained rankings from multiple agents. An overall measure of the consensus degree provides an insig...
false
false
false
false
true
false
false
false
false
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false
false
false
false
false
false
false
false
132,955
2010.07410
Six Attributes of Unhealthy Conversation
We present a new dataset of approximately 44000 comments labeled by crowdworkers. Each comment is labelled as either 'healthy' or 'unhealthy', in addition to binary labels for the presence of six potentially 'unhealthy' sub-attributes: (1) hostile; (2) antagonistic, insulting, provocative or trolling; (3) dismissive; (...
false
false
false
true
false
false
false
false
true
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false
false
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false
false
false
false
200,798
1807.04040
Learning Singularity Avoidance
With the increase in complexity of robotic systems and the rise in non-expert users, it can be assumed that task constraints are not explicitly known. In tasks where avoiding singularity is critical to its success, this paper provides an approach, especially for non-expert users, for the system to learn the constraints...
false
false
false
false
false
false
true
true
false
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false
false
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false
false
102,654
2001.09678
A Robust Real-Time Computing-based Environment Sensing System for Intelligent Vehicle
For intelligent vehicles, sensing the 3D environment is the first but crucial step. In this paper, we build a real-time advanced driver assistance system based on a low-power mobile platform. The system is a real-time multi-scheme integrated innovation system, which combines stereo matching algorithm with machine learn...
false
false
false
false
false
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false
false
false
false
false
true
false
false
false
false
false
false
161,637
2106.00421
OpenBox: A Generalized Black-box Optimization Service
Black-box optimization (BBO) has a broad range of applications, including automatic machine learning, engineering, physics, and experimental design. However, it remains a challenge for users to apply BBO methods to their problems at hand with existing software packages, in terms of applicability, performance, and effic...
false
false
false
false
true
false
true
false
false
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false
false
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false
false
false
false
238,117
1206.1492
Ordinary Search Engine Users Carrying Out Complex Search Tasks
Web search engines have become the dominant tools for finding information on the Internet. Due to their popularity, users apply them to a wide range of search needs, from simple look-ups to rather complex information tasks. This paper presents the results of a study to investigate the characteristics of these complex i...
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false
false
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false
false
16,375
2501.19184
A Survey on Class-Agnostic Counting: Advancements from Reference-Based to Open-World Text-Guided Approaches
Visual object counting has recently shifted towards class-agnostic counting (CAC), which addresses the challenge of counting objects across arbitrary categories -- a crucial capability for flexible and generalizable counting systems. Unlike humans, who effortlessly identify and count objects from diverse categories wit...
false
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529,049