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541k
2206.05614
Information theory of spatial network ensembles
This chapter provides a comprehensive and self-contained discussion of the most recent developments of information theory of networks. Maximum entropy models of networks are the least biased ensembles enforcing a set of constraints and are used in a number of application to produce null model of networks. Here maximum ...
false
false
false
true
false
false
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false
false
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false
false
302,066
2103.05180
An Introduction to Deep Generative Modeling
Deep generative models (DGM) are neural networks with many hidden layers trained to approximate complicated, high-dimensional probability distributions using a large number of samples. When trained successfully, we can use the DGMs to estimate the likelihood of each observation and to create new samples from the underl...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
223,894
2105.04615
Differentially Private Transferrable Deep Learning with Membership-Mappings
This paper considers the problem of differentially private semi-supervised transfer and multi-task learning. The notion of \emph{membership-mapping} has been developed using measure theory basis to learn data representation via a fuzzy membership function. An alternative conception of deep autoencoder, referred to as \...
false
false
false
false
true
false
true
false
false
false
false
false
true
false
false
false
false
false
234,555
1609.00992
Performance Evaluation of a Natural Language Processing approach applied in White Collar crime investigation
In today world we are confronted with increasing amounts of information every day coming from a large variety of sources. People and co-operations are producing data on a large scale, and since the rise of the internet, e-mail and social media the amount of produced data has grown exponentially. From a law enforcement ...
false
false
false
false
false
true
false
false
false
false
false
false
false
true
false
false
false
false
60,545
2407.05674
Coding Reliable LLM-based Integrated Task and Knowledge Agents with GenieWorksheets
Large Language Models (LLMs) present an opportunity to create automated assistants that can help users navigate complex tasks. However, existing approaches have limitations in handling conditional logic, integrating knowledge sources, and consistently following instructions. Researchers and industry professionals often...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
true
471,082
2307.07813
TinyTracker: Ultra-Fast and Ultra-Low-Power Edge Vision In-Sensor for Gaze Estimation
Intelligent edge vision tasks encounter the critical challenge of ensuring power and latency efficiency due to the typically heavy computational load they impose on edge platforms.This work leverages one of the first "AI in sensor" vision platforms, IMX500 by Sony, to achieve ultra-fast and ultra-low-power end-to-end e...
false
false
false
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
379,551
2108.09203
Parsing Birdsong with Deep Audio Embeddings
Monitoring of bird populations has played a vital role in conservation efforts and in understanding biodiversity loss. The automation of this process has been facilitated by both sensing technologies, such as passive acoustic monitoring, and accompanying analytical tools, such as deep learning. However, machine learnin...
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
251,537
2002.08232
CoLES: Contrastive Learning for Event Sequences with Self-Supervision
We address the problem of self-supervised learning on discrete event sequences generated by real-world users. Self-supervised learning incorporates complex information from the raw data in low-dimensional fixed-length vector representations that could be easily applied in various downstream machine learning tasks. In t...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
164,685
2011.13580
A Sheaf and Topology Approach to Generating Local Branch Numbers in Digital Images
This paper concerns a theoretical approach that combines topological data analysis (TDA) and sheaf theory. Topological data analysis, a rising field in mathematics and computer science, concerns the shape of the data and has been proven effective in many scientific disciplines. Sheaf theory, a mathematics subject in al...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
208,524
2103.10175
Local Electricity Market Design Utilizing Dynamic Network Usage Tariff
The new technologies emerging in the energy sector pose new requirements for both the regulation and operation of the electricity grid. Revised tariff structures and the introduction of local markets are two approaches that could tackle the issues resulting from the increasing number of active end-users. However, a smo...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
225,371
cmp-lg/9408010
On Using Selectional Restriction in Language Models for Speech Recognition
In this paper, we investigate the use of selectional restriction -- the constraints a predicate imposes on its arguments -- in a language model for speech recognition. We use an un-tagged corpus, followed by a public domain tagger and a very simple finite state machine to obtain verb-object pairs from unrestricted Engl...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
536,159
1010.4272
Isospectral Reductions of Dynamical Networks
We present a general and flexible procedure which allows for the reduction (or expansion) of any dynamical network while preserving the spectrum of the network's adjacency matrix. Computationally, this process is simple and easily implemented for the analysis of any network. Moreover, it is possible to isospectrally re...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
7,967
2408.11481
VE-Bench: Subjective-Aligned Benchmark Suite for Text-Driven Video Editing Quality Assessment
Text-driven video editing has recently experienced rapid development. Despite this, evaluating edited videos remains a considerable challenge. Current metrics tend to fail to align with human perceptions, and effective quantitative metrics for video editing are still notably absent. To address this, we introduce VE-Ben...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
482,315
1207.1933
A Hybrid Forecast of Exchange Rate based on ARFIMA,Discrete Grey-Markov, and Fractal Kalman Model
We propose a hybrid forecast based on extended discrete grey Markov and variable dimension Kalman model and show that our hybrid model can improve much more the performance of forecast than traditional grey Markov and Kalman models. Our simulation results are given to demonstrate that our hybrid forecast method combine...
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
17,347
2107.03331
KOALA: A Kalman Optimization Algorithm with Loss Adaptivity
Optimization is often cast as a deterministic problem, where the solution is found through some iterative procedure such as gradient descent. However, when training neural networks the loss function changes over (iteration) time due to the randomized selection of a subset of the samples. This randomization turns the op...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
245,127
2403.17421
MA4DIV: Multi-Agent Reinforcement Learning for Search Result Diversification
Search result diversification (SRD), which aims to ensure that documents in a ranking list cover a broad range of subtopics, is a significant and widely studied problem in Information Retrieval and Web Search. Existing methods primarily utilize a paradigm of "greedy selection", i.e., selecting one document with the hig...
false
false
false
false
true
true
false
false
false
false
false
false
false
false
false
false
false
false
441,460
2010.11699
Generative Model-Enhanced Human Motion Prediction
The task of predicting human motion is complicated by the natural heterogeneity and compositionality of actions, necessitating robustness to distributional shifts as far as out-of-distribution (OoD). Here we formulate a new OoD benchmark based on the Human3.6M and CMU motion capture datasets, and introduce a hybrid fra...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
202,380
1304.1018
Estimating Phoneme Class Conditional Probabilities from Raw Speech Signal using Convolutional Neural Networks
In hybrid hidden Markov model/artificial neural networks (HMM/ANN) automatic speech recognition (ASR) system, the phoneme class conditional probabilities are estimated by first extracting acoustic features from the speech signal based on prior knowledge such as, speech perception or/and speech production knowledge, and...
false
false
false
false
false
false
true
false
true
false
false
false
false
false
false
true
false
false
23,429
2502.13573
Noise May Contain Transferable Knowledge: Understanding Semi-supervised Heterogeneous Domain Adaptation from an Empirical Perspective
Semi-supervised heterogeneous domain adaptation (SHDA) addresses learning across domains with distinct feature representations and distributions, where source samples are labeled while most target samples are unlabeled, with only a small fraction labeled. Moreover, there is no one-to-one correspondence between source a...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
535,426
1909.07827
Weak Edge Identification Nets for Ocean Front Detection
The ocean front has an important impact in many areas, it is meaningful to obtain accurate ocean front positioning, therefore, ocean front detection is a very important task. However, the traditional edge detection algorithm does not detect the weak edge information of the ocean front very well. In response to this pro...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
145,788
2204.11573
Joint-Modal Label Denoising for Weakly-Supervised Audio-Visual Video Parsing
This paper focuses on the weakly-supervised audio-visual video parsing task, which aims to recognize all events belonging to each modality and localize their temporal boundaries. This task is challenging because only overall labels indicating the video events are provided for training. However, an event might be labele...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
293,199
2103.00536
Towards Conversational Humor Analysis and Design
Well-defined jokes can be divided neatly into a setup and a punchline. While most works on humor today talk about a joke as a whole, the idea of generating punchlines to a setup has applications in conversational humor, where funny remarks usually occur with a non-funny context. Thus, this paper is based around two cor...
true
false
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
222,317
2002.01306
Linear and Fisher Separability of Random Points in the d-dimensional Spherical Layer
Stochastic separation theorems play important role in high-dimensional data analysis and machine learning. It turns out that in high dimension any point of a random set of points can be separated from other points by a hyperplane with high probability even if the number of points is exponential in terms of dimension. T...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
162,624
1003.2372
On Ergodic Secrecy Capacity for Gaussian MISO Wiretap Channels
A Gaussian multiple-input single-output (MISO) wiretap channel model is considered, where there exists a transmitter equipped with multiple antennas, a legitimate receiver and an eavesdropper each equipped with a single antenna. We study the problem of finding the optimal input covariance that achieves ergodic secrecy ...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
5,901
1401.3870
Learning to Make Predictions In Partially Observable Environments Without a Generative Model
When faced with the problem of learning a model of a high-dimensional environment, a common approach is to limit the model to make only a restricted set of predictions, thereby simplifying the learning problem. These partial models may be directly useful for making decisions or may be combined together to form a more c...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
29,984
2405.15477
MagicBathyNet: A Multimodal Remote Sensing Dataset for Bathymetry Prediction and Pixel-based Classification in Shallow Waters
Accurate, detailed, and high-frequent bathymetry, coupled with complex semantic content, is crucial for the undermapped shallow seabed areas facing intense climatological and anthropogenic pressures. Current methods exploiting remote sensing images to derive bathymetry or seabed classes mainly exploit non-open data. Th...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
456,956
2409.07853
Improve Machine Learning carbon footprint using Nvidia GPU and Mixed Precision training for classification models -- Part I
This is the 1st part of the dissertation for my master degree and compares the power consumption using the default floating point (32bit) and Nvidia mixed precision (16bit and 32bit) while training a classification ML model. A custom PC with specific hardware was built to perform the experiments, and different ML hyper...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
487,689
2403.18868
A recommender network perspective on the informational value of critics and crowds
How do the ratings of critics and amateurs compare and how should they be combined? Previous research has produced mixed results about the first question, while the second remains unanswered. We have created a new, unique dataset, with wine ratings from critics and amateurs, and simulated a recommender system using the...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
442,111
2007.04316
The UU-Net: Reversible Face De-Identification for Visual Surveillance Video Footage
We propose a reversible face de-identification method for low resolution video data, where landmark-based techniques cannot be reliably used. Our solution is able to generate a photo realistic de-identified stream that meets the data protection regulations and can be publicly released under minimal privacy constraints....
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
186,321
1807.11622
Count-Based Exploration with the Successor Representation
In this paper we introduce a simple approach for exploration in reinforcement learning (RL) that allows us to develop theoretically justified algorithms in the tabular case but that is also extendable to settings where function approximation is required. Our approach is based on the successor representation (SR), which...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
104,211
2010.16143
HyperText: Endowing FastText with Hyperbolic Geometry
Natural language data exhibit tree-like hierarchical structures such as the hypernym-hyponym relations in WordNet. FastText, as the state-of-the-art text classifier based on shallow neural network in Euclidean space, may not model such hierarchies precisely with limited representation capacity. Considering that hyperbo...
false
false
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
203,981
1708.00531
End-to-End Neural Segmental Models for Speech Recognition
Segmental models are an alternative to frame-based models for sequence prediction, where hypothesized path weights are based on entire segment scores rather than a single frame at a time. Neural segmental models are segmental models that use neural network-based weight functions. Neural segmental models have achieved c...
false
false
true
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
78,222
2406.16148
Towards Open Respiratory Acoustic Foundation Models: Pretraining and Benchmarking
Respiratory audio, such as coughing and breathing sounds, has predictive power for a wide range of healthcare applications, yet is currently under-explored. The main problem for those applications arises from the difficulty in collecting large labeled task-specific data for model development. Generalizable respiratory ...
false
false
true
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
467,016
2204.13666
Schr\"odinger's FP: Dynamic Adaptation of Floating-Point Containers for Deep Learning Training
The transfer of tensors from/to memory during neural network training dominates time and energy. To improve energy efficiency and performance, research has been exploring ways to use narrower data representations. So far, these attempts relied on user-directed trial-and-error to achieve convergence. We present methods ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
293,894
1705.07561
Detection Estimation and Grid matching of Multiple Targets with Single Snapshot Measurements
In this work, we explore the problems of detecting the number of narrow-band, far-field targets and estimating their corresponding directions from single snapshot measurements. The principles of sparse signal recovery (SSR) are used for the single snapshot detection and estimation of multiple targets. In the SSR framew...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
73,861
1507.02954
An Iterative Receiver for OFDM With Sparsity-Based Parametric Channel Estimation
In this work we design a receiver that iteratively passes soft information between the channel estimation and data decoding stages. The receiver incorporates sparsity-based parametric channel estimation. State-of-the-art sparsity-based iterative receivers simplify the channel estimation problem by restricting the multi...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
45,033
2008.06125
One Size Does Not Fit All: A Study of Badge Behavior in Stack Overflow
Badges are endemic to online interaction sites, from Question and Answer (Q&A) websites to ride sharing, as systems for rewarding participants for their contributions. This paper studies how badge design affects people's contributions and behavior over time. Past work has shown that badges "steer" people's behavior tow...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
true
191,703
1407.3077
Charge Scheduling of an Energy Storage System under Time-of-use Pricing and a Demand Charge
A real-coded genetic algorithm is used to schedule the charging of an energy storage system (ESS), operated in tandem with renewable power by an electricity consumer who is subject to time-of-use pricing and a demand charge. Simulations based on load and generation profiles of typical residential customers show that an...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
false
34,594
1712.10195
Growing Attributed Networks through Local Processes
This paper proposes an attributed network growth model. Despite the knowledge that individuals use limited resources to form connections to similar others, we lack an understanding of how local and resource-constrained mechanisms explain the emergence of rich structural properties found in real-world networks. We make ...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
87,468
2203.12573
SerialTrack: ScalE and Rotation Invariant Augmented Lagrangian Particle Tracking
We present a new particle tracking algorithm to accurately resolve large deformation and rotational motion fields, which takes advantage of both local and global particle tracking algorithms. We call this method the ScalE and Rotation Invariant Augmented Lagrangian Particle Tracking (SerialTrack). This method builds an...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
287,313
1610.01132
A Non-generative Framework and Convex Relaxations for Unsupervised Learning
We give a novel formal theoretical framework for unsupervised learning with two distinctive characteristics. First, it does not assume any generative model and based on a worst-case performance metric. Second, it is comparative, namely performance is measured with respect to a given hypothesis class. This allows to avo...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
61,929
2405.17251
GenWarp: Single Image to Novel Views with Semantic-Preserving Generative Warping
Generating novel views from a single image remains a challenging task due to the complexity of 3D scenes and the limited diversity in the existing multi-view datasets to train a model on. Recent research combining large-scale text-to-image (T2I) models with monocular depth estimation (MDE) has shown promise in handling...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
457,828
2502.12065
Formalizing Complex Mathematical Statements with LLMs: A Study on Mathematical Definitions
Thanks to their linguistic capabilities, LLMs offer an opportunity to bridge the gap between informal mathematics and formal languages through autoformalization. However, it is still unclear how well LLMs generalize to sophisticated and naturally occurring mathematical statements. To address this gap, we investigate th...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
true
534,670
2105.02320
Iterative Human and Automated Identification of Wildlife Images
Camera trapping is increasingly used to monitor wildlife, but this technology typically requires extensive data annotation. Recently, deep learning has significantly advanced automatic wildlife recognition. However, current methods are hampered by a dependence on large static data sets when wildlife data is intrinsical...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
233,782
2009.07799
On the Curse of Memory in Recurrent Neural Networks: Approximation and Optimization Analysis
We study the approximation properties and optimization dynamics of recurrent neural networks (RNNs) when applied to learn input-output relationships in temporal data. We consider the simple but representative setting of using continuous-time linear RNNs to learn from data generated by linear relationships. Mathematical...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
196,049
1409.4044
A new approach in machine learning
In this technical report we presented a novel approach to machine learning. Once the new framework is presented, we will provide a simple and yet very powerful learning algorithm which will be benchmark on various dataset. The framework we proposed is based on booleen circuits; more specifically the classifier produc...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
36,035
1208.2900
On Achievable Degrees of Freedom for MIMO X Channels
In this paper, the achievable DoF of MIMO X channels for constant channel coefficients with $M_t$ antennas at transmitter $t$ and $N_r$ antennas at receiver $r$ ($t,r=1,2$) is studied. A spatial interference alignment and cancelation scheme is proposed to achieve the maximum DoF of the MIMO X channels. The scenario of ...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
18,073
1412.1024
Degree correlations in signed social networks
We investigate degree correlations in two online social networks where users are connected through different types of links. We find that, while subnetworks in which links have a positive connotation, such as endorsement and trust, are characterized by assortative mixing by degree, networks in which links have a negati...
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
38,067
2309.02165
PCFGaze: Physics-Consistent Feature for Appearance-based Gaze Estimation
Although recent deep learning based gaze estimation approaches have achieved much improvement, we still know little about how gaze features are connected to the physics of gaze. In this paper, we try to answer this question by analyzing the gaze feature manifold. Our analysis revealed the insight that the geodesic dist...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
389,954
2404.13522
Error Analysis of Shapley Value-Based Model Explanations: An Informative Perspective
Shapley value attribution (SVA) is an increasingly popular explainable AI (XAI) method, which quantifies the contribution of each feature to the model's output. However, recent work has shown that most existing methods to implement SVAs have some drawbacks, resulting in biased or unreliable explanations that fail to co...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
448,330
2309.08353
Continual Learning with Deep Streaming Regularized Discriminant Analysis
Continual learning is increasingly sought after in real world machine learning applications, as it enables learning in a more human-like manner. Conventional machine learning approaches fail to achieve this, as incrementally updating the model with non-identically distributed data leads to catastrophic forgetting, wher...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
392,136
2005.13179
Structural Control Analysis of System Dynamics Models
Structural control theory could be applied to study the control principles of social, economic and managerial systems. System Dynamics (SD) is the target field in social-economic sciences for endogenizing this theory, a subject that provides modeling solutions to real-world problems. SD models adopt diagrammatic repres...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
178,936
2101.05357
Towards Creating a Deployable Grasp Type Probability Estimator for a Prosthetic Hand
For lower arm amputees, prosthetic hands promise to restore most of physical interaction capabilities. This requires to accurately predict hand gestures capable of grabbing varying objects and execute them timely as intended by the user. Current approaches often rely on physiological signal inputs such as Electromyogra...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
215,400
1903.06873
Secure Control under Partial Observability with Temporal Logic Constraints
This paper studies the synthesis of control policies for an agent that has to satisfy a temporal logic specification in a partially observable environment, in the presence of an adversary. The interaction of the agent (defender) with the adversary is modeled as a partially observable stochastic game. The search for pol...
false
false
false
false
false
false
false
false
false
false
true
false
true
false
false
false
false
true
124,481
2501.03786
KAnoCLIP: Zero-Shot Anomaly Detection through Knowledge-Driven Prompt Learning and Enhanced Cross-Modal Integration
Zero-shot anomaly detection (ZSAD) identifies anomalies without needing training samples from the target dataset, essential for scenarios with privacy concerns or limited data. Vision-language models like CLIP show potential in ZSAD but have limitations: relying on manually crafted fixed textual descriptions or anomaly...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
522,988
2111.12299
EH-DNAS: End-to-End Hardware-aware Differentiable Neural Architecture Search
In hardware-aware Differentiable Neural Architecture Search (DNAS), it is challenging to compute gradients of hardware metrics to perform architecture search. Existing works rely on linear approximations with limited support to customized hardware accelerators. In this work, we propose End-to-end Hardware-aware DNAS (E...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
267,926
1901.03461
Dialog System Technology Challenge 7
This paper introduces the Seventh Dialog System Technology Challenges (DSTC), which use shared datasets to explore the problem of building dialog systems. Recently, end-to-end dialog modeling approaches have been applied to various dialog tasks. The seventh DSTC (DSTC7) focuses on developing technologies related to end...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
118,413
2412.14323
The Role of Handling Attributive Nouns in Improving Chinese-To-English Machine Translation
Translating between languages with drastically different grammatical conventions poses challenges, not just for human interpreters but also for machine translation systems. In this work, we specifically target the translation challenges posed by attributive nouns in Chinese, which frequently cause ambiguities in Englis...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
518,652
1210.4840
Lifted Relax, Compensate and then Recover: From Approximate to Exact Lifted Probabilistic Inference
We propose an approach to lifted approximate inference for first-order probabilistic models, such as Markov logic networks. It is based on performing exact lifted inference in a simplified first-order model, which is found by relaxing first-order constraints, and then compensating for the relaxation. These simplified m...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
19,169
2502.10694
Simulations of Common Unsupervised Domain Adaptation Algorithms for Image Classification
Traditional machine learning assumes that training and test sets are derived from the same distribution; however, this assumption does not always hold in practical applications. This distribution disparity can lead to severe performance drops when the trained model is used in new data sets. Domain adaptation (DA) is a ...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
534,003
2009.08100
How-to Present News on Social Media: A Causal Analysis of Editing News Headlines for Boosting User Engagement
To reach a broader audience and optimize traffic toward news articles, media outlets commonly run social media accounts and share their content with a short text summary. Despite its importance of writing a compelling message in sharing articles, the research community does not own a sufficient understanding of what ki...
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
false
false
false
196,133
1106.0664
The Complexity of Reasoning about Spatial Congruence
In the recent literature of Artificial Intelligence, an intensive research effort has been spent, for various algebras of qualitative relations used in the representation of temporal and spatial knowledge, on the problem of classifying the computational complexity of reasoning problems for subsets of algebras. The main...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
10,699
2307.02865
PLIERS: a Popularity-Based Recommender System for Content Dissemination in Online Social Networks
In this paper, we propose a novel tag-based recommender system called PLIERS, which relies on the assumption that users are mainly interested in items and tags with similar popularity to those they already own. PLIERS is aimed at reaching a good tradeoff between algorithmic complexity and the level of personalization o...
false
false
false
false
false
true
true
false
false
false
false
false
false
false
false
false
false
false
377,844
1901.10233
Reconstruction of 3D Porous Media From 2D Slices
In many branches of earth sciences, the problem of rock study on the micro-level arises. However, a significant number of representative samples is not always feasible. Thus the problem of the generation of samples with similar properties becomes actual. In this paper, we propose a novel deep learning architecture for ...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
119,968
2110.00717
Mobile Manipulation Leveraging Multiple Views
While both navigation and manipulation are challenging topics in isolation, many tasks require the ability to both navigate and manipulate in concert. To this end, we propose a mobile manipulation system that leverages novel navigation and shape completion methods to manipulate an object with a mobile robot. Our system...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
258,503
1605.07273
LDPC Codes Based on the Space of Symmetric Matrices over Finite Fields
In this paper, we present a new method for explicitly constructing regular low-density parity-check (LDPC) codes based on $\mathbb{S}_{n}(\mathbb{F}_{q})$, the space of $n\times n$ symmetric matrices over $\mathbb{F}_{q}$. Using this method, we obtain two classes of binary LDPC codes, $\cal{C}(n,q)$ and $\cal{C}^{T}(n,...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
56,273
2101.10730
Model-free Data-Driven simulation of inelastic materials using structured data sets, tangent space information and transition rules
Model-free data-driven computational mechanics replaces phenomenological constitutive functions by numerical simulations based on data sets of representative samples in stress-strain space. The distance of strain and stress pairs from the data set is minimized, subject to equilibrium and compatibility constraints. Alth...
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
217,029
1209.5625
Managing Complex Structured Data In a Fast Evolving Environment
Criminal data comes in a variety of formats, mandated by state, federal, and international standards. Specifying the data in a unified fashion is necessary for any system that intends to integrate with state, federal, and international law enforcement agencies. However, the contents, format, and structure of the data i...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
18,752
2008.13173
LIMSI_UPV at SemEval-2020 Task 9: Recurrent Convolutional Neural Network for Code-mixed Sentiment Analysis
This paper describes the participation of LIMSI UPV team in SemEval-2020 Task 9: Sentiment Analysis for Code-Mixed Social Media Text. The proposed approach competed in SentiMix Hindi-English subtask, that addresses the problem of predicting the sentiment of a given Hindi-English code-mixed tweet. We propose Recurrent C...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
193,783
2412.03561
FLAIR: VLM with Fine-grained Language-informed Image Representations
CLIP has shown impressive results in aligning images and texts at scale. However, its ability to capture detailed visual features remains limited because CLIP matches images and texts at a global level. To address this issue, we propose FLAIR, Fine-grained Language-informed Image Representations, an approach that utili...
false
false
false
false
true
false
false
false
false
false
false
true
false
false
false
false
false
false
514,003
2103.01716
Self-restrained Triplet Loss for Accurate Masked Face Recognition
Using the face as a biometric identity trait is motivated by the contactless nature of the capture process and the high accuracy of the recognition algorithms. After the current COVID-19 pandemic, wearing a face mask has been imposed in public places to keep the pandemic under control. However, face occlusion due to we...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
222,724
1312.6079
An Improved Outer Bound on the Storage-Repair-Bandwidth Tradeoff of Exact-Repair Regenerating Codes
In this paper we establish an improved outer bound on the storage-repair-bandwidth tradeoff of regenerating codes under exact repair. The result shows that in particular, it is not possible to construct exact-repair regenerating codes that asymptotically achieve the tradeoff that holds for functional repair. While this...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
29,301
2207.13695
A detailed introduction to density-based topology optimisation of fluid flow problems with implementation in MATLAB
This article presents a detailed introduction to density-based topology optimisation of fluid flow problems. The goal is to allow new students and researchers to quickly get started in the research area and to skip many of the initial steps, often consuming unnecessarily long time from the scientific advancement of the...
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
310,375
2007.06355
Multiple Sound Sources Localization from Coarse to Fine
How to visually localize multiple sound sources in unconstrained videos is a formidable problem, especially when lack of the pairwise sound-object annotations. To solve this problem, we develop a two-stage audiovisual learning framework that disentangles audio and visual representations of different categories from com...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
186,994
1805.09960
Phrase Table as Recommendation Memory for Neural Machine Translation
Neural Machine Translation (NMT) has drawn much attention due to its promising translation performance recently. However, several studies indicate that NMT often generates fluent but unfaithful translations. In this paper, we propose a method to alleviate this problem by using a phrase table as recommendation memory. T...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
98,540
1908.05832
Transferable Contrastive Network for Generalized Zero-Shot Learning
Zero-shot learning (ZSL) is a challenging problem that aims to recognize the target categories without seen data, where semantic information is leveraged to transfer knowledge from some source classes. Although ZSL has made great progress in recent years, most existing approaches are easy to overfit the sources classes...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
141,826
2004.01612
Towards a Parallel-in-Time Calculation of Time-Periodic Solutions with Unknown Period
This paper presents a novel parallel-in-time algorithm able to compute time-periodic solutions of problems where the period is not given. Exploiting the idea of the multiple shooting method, the proposed approach calculates the initial values at each subinterval as well as the corresponding period iteratively. As in th...
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
170,963
1910.12713
Few-shot Video-to-Video Synthesis
Video-to-video synthesis (vid2vid) aims at converting an input semantic video, such as videos of human poses or segmentation masks, to an output photorealistic video. While the state-of-the-art of vid2vid has advanced significantly, existing approaches share two major limitations. First, they are data-hungry. Numerous ...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
true
151,175
2410.17858
Blendify -- Python rendering framework for Blender
With the rapid growth of the volume of research fields like computer vision and computer graphics, researchers require effective and user-friendly rendering tools to visualize results. While advanced tools like Blender offer powerful capabilities, they also require a significant effort to master. This technical report ...
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false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
501,643
2207.08547
Few-shot Fine-grained Image Classification via Multi-Frequency Neighborhood and Double-cross Modulation
Traditional fine-grained image classification typically relies on large-scale training samples with annotated ground-truth. However, some sub-categories have few available samples in real-world applications, and current few-shot models still have difficulty in distinguishing subtle differences among fine-grained catego...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
308,623
1702.06463
Predicting non-linear dynamics by stable local learning in a recurrent spiking neural network
Brains need to predict how the body reacts to motor commands. It is an open question how networks of spiking neurons can learn to reproduce the non-linear body dynamics caused by motor commands, using local, online and stable learning rules. Here, we present a supervised learning scheme for the feedforward and recurren...
false
false
false
false
false
false
true
false
false
false
true
false
false
false
false
true
false
false
68,619
2109.11330
Quantum algorithms for group convolution, cross-correlation, and equivariant transformations
Group convolutions and cross-correlations, which are equivariant to the actions of group elements, are commonly used in mathematics to analyze or take advantage of symmetries inherent in a given problem setting. Here, we provide efficient quantum algorithms for performing linear group convolutions and cross-correlation...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
true
256,911
1903.09122
Finite Sample Analysis of Stochastic System Identification
In this paper, we analyze the finite sample complexity of stochastic system identification using modern tools from machine learning and statistics. An unknown discrete-time linear system evolves over time under Gaussian noise without external inputs. The objective is to recover the system parameters as well as the Kalm...
false
false
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
124,982
2303.06519
Lossless Point Cloud Geometry and Attribute Compression Using a Learned Conditional Probability Model
In recent years, we have witnessed the presence of point cloud data in many aspects of our life, from immersive media, autonomous driving to healthcare, although at the cost of a tremendous amount of data. In this paper, we present an efficient lossless point cloud compression method that uses sparse tensor-based deep ...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
350,877
2104.11867
Exploring Multi-dimensional Data via Subset Embedding
Multi-dimensional data exploration is a classic research topic in visualization. Most existing approaches are designed for identifying record patterns in dimensional space or subspace. In this paper, we propose a visual analytics approach to exploring subset patterns. The core of the approach is a subset embedding netw...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
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false
false
true
232,041
2204.05735
GARF: Gaussian Activated Radiance Fields for High Fidelity Reconstruction and Pose Estimation
Despite Neural Radiance Fields (NeRF) showing compelling results in photorealistic novel views synthesis of real-world scenes, most existing approaches require accurate prior camera poses. Although approaches for jointly recovering the radiance field and camera pose exist (BARF), they rely on a cumbersome coarse-to-fin...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
291,126
1307.0974
On Secure Source Coding with Side Information at the Encoder
We consider a secure source coding problem with side information (S.I.) at the decoder and the eavesdropper. The encoder has a source that it wishes to describe with limited distortion through a rate limited link to a legitimate decoder. The message sent is also observed by the eavesdropper. The encoder aims to minimiz...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
25,592
2112.11294
Extending CLIP for Category-to-image Retrieval in E-commerce
E-commerce provides rich multimodal data that is barely leveraged in practice. One aspect of this data is a category tree that is being used in search and recommendation. However, in practice, during a user's session there is often a mismatch between a textual and a visual representation of a given category. Motivated ...
false
false
false
false
false
true
true
false
false
false
false
false
false
false
false
false
false
true
272,670
1505.01335
Comparing persistence diagrams through complex vectors
The natural pseudo-distance of spaces endowed with filtering functions is precious for shape classification and retrieval; its optimal estimate coming from persistence diagrams is the bottleneck distance, which unfortunately suffers from combinatorial explosion. A possible algebraic representation of persistence diagra...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
42,828
2405.08681
Achieving Fairness Through Channel Pruning for Dermatological Disease Diagnosis
Numerous studies have revealed that deep learning-based medical image classification models may exhibit bias towards specific demographic attributes, such as race, gender, and age. Existing bias mitigation methods often achieve high level of fairness at the cost of significant accuracy degradation. In response to this ...
false
false
false
false
true
false
false
false
false
false
false
true
false
false
false
false
false
false
454,179
2005.02576
Towards Concise, Machine-discovered Proofs of G\"odel's Two Incompleteness Theorems
There is an increasing interest in applying recent advances in AI to automated reasoning, as it may provide useful heuristics in reasoning over formalisms in first-order, second-order, or even meta-logics. To facilitate this research, we present MATR, a new framework for automated theorem proving explicitly designed to...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
true
175,915
2304.11111
Inducing anxiety in large language models can induce bias
Large language models (LLMs) are transforming research on machine learning while galvanizing public debates. Understanding not only when these models work well and succeed but also why they fail and misbehave is of great societal relevance. We propose to turn the lens of psychiatry, a framework used to describe and mod...
false
false
false
false
true
false
true
false
true
false
false
false
false
false
false
false
false
false
359,687
2209.00189
Federated Learning with Label Distribution Skew via Logits Calibration
Traditional federated optimization methods perform poorly with heterogeneous data (ie, accuracy reduction), especially for highly skewed data. In this paper, we investigate the label distribution skew in FL, where the distribution of labels varies across clients. First, we investigate the label distribution skew from a...
false
false
false
false
true
false
true
false
false
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false
false
false
false
false
false
false
false
315,507
2411.02715
CIT: Rethinking Class-incremental Semantic Segmentation with a Class Independent Transformation
Class-incremental semantic segmentation (CSS) requires that a model learn to segment new classes without forgetting how to segment previous ones: this is typically achieved by distilling the current knowledge and incorporating the latest data. However, bypassing iterative distillation by directly transferring outputs o...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
505,629
2112.08547
Learning Rich Representation of Keyphrases from Text
In this work, we explore how to train task-specific language models aimed towards learning rich representation of keyphrases from text documents. We experiment with different masking strategies for pre-training transformer language models (LMs) in discriminative as well as generative settings. In the discriminative set...
false
false
false
false
false
true
true
false
true
false
false
false
false
false
false
false
false
false
271,830
2411.18224
KANs for Computer Vision: An Experimental Study
This paper presents an experimental study of Kolmogorov-Arnold Networks (KANs) applied to computer vision tasks, particularly image classification. KANs introduce learnable activation functions on edges, offering flexible non-linear transformations compared to traditional pre-fixed activation functions with specific ne...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
511,778
2108.07895
Adaptive Convolutions with Per-pixel Dynamic Filter Atom
Applying feature dependent network weights have been proved to be effective in many fields. However, in practice, restricted by the enormous size of model parameters and memory footprints, scalable and versatile dynamic convolutions with per-pixel adapted filters are yet to be fully explored. In this paper, we address ...
false
false
false
false
false
false
false
false
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false
true
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false
251,051
2310.06201
Compressing Context to Enhance Inference Efficiency of Large Language Models
Large language models (LLMs) achieved remarkable performance across various tasks. However, they face challenges in managing long documents and extended conversations, due to significantly increased computational requirements, both in memory and inference time, and potential context truncation when the input exceeds th...
false
false
false
false
false
false
false
false
true
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false
false
398,465
2104.03838
Speech Denoising Without Clean Training Data: A Noise2Noise Approach
This paper tackles the problem of the heavy dependence of clean speech data required by deep learning based audio-denoising methods by showing that it is possible to train deep speech denoising networks using only noisy speech samples. Conventional wisdom dictates that in order to achieve good speech denoising performa...
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false
true
false
false
false
true
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false
229,189
2207.04623
Deep neural network based adaptive learning for switched systems
In this paper, we present a deep neural network based adaptive learning (DNN-AL) approach for switched systems. Currently, deep neural network based methods are actively developed for learning governing equations in unknown dynamic systems, but their efficiency can degenerate for switching systems, where structural cha...
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true
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false
true
307,257