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Tracking a target of interest in both sparse and crowded environments is a challenging problem, not yet successfully addressed in the literature. In this paper, we propose a new long-term visual tracking algorithm, learning discriminative…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Nathanael L. Baisa , Deepayan Bhowmik , Andrew Wallace

The continual learning (CL) paradigm aims to enable neural networks to learn tasks continually in a sequential fashion. The fundamental challenge in this learning paradigm is catastrophic forgetting previously learned tasks when the model…

机器学习 · 计算机科学 2021-04-15 Ghada Sokar , Decebal Constantin Mocanu , Mykola Pechenizkiy

Recent studies have shown that Convolutional Neural Networks (CNNs) are vulnerable to a small perturbation of input called "adversarial examples". In this work, we propose a new feedforward CNN that improves robustness in the presence of…

机器学习 · 计算机科学 2016-02-26 Jonghoon Jin , Aysegul Dundar , Eugenio Culurciello

Convolutional Neural Networks (CNNs) filter the input data using a series of spatial convolution operators with compactly supported stencils and point-wise nonlinearities. Commonly, the convolution operators couple features from all…

数值分析 · 计算机科学 2018-10-04 Eran Treister , Lars Ruthotto , Michal Sharoni , Sapir Zafrani , Eldad Haber

Motivated by the question of optimal functional approximation via compressed sensing, we propose generalizations of the Iterative Hard Thresholding and the Compressive Sampling Matching Pursuit algorithms able to promote sparse in levels…

信息论 · 计算机科学 2021-11-01 Ben Adcock , Simone Brugiapaglia , Matthew King-Roskamp

We study $\ell^1$ regularized least squares optimization problem in a separable Hilbert space. We show that the iterative soft-thresholding algorithm (ISTA) converges linearly, without making any assumption on the linear operator into play…

最优化与控制 · 数学 2017-12-04 Guillaume Garrigos , Lorenzo Rosasco , Silvia Villa

In compressive sensing, the basis pursuit algorithm aims to find the sparsest solution to an underdetermined linear equation system. In this paper, we generalize basis pursuit to finding the sparsest solution to higher order nonlinear…

信息论 · 计算机科学 2013-04-23 Henrik Ohlsson , Allen Y. Yang , Roy Dong , S. Shankar Sastry

Despite strong empirical performance for image classification, deep neural networks are often regarded as ``black boxes'' and they are difficult to interpret. On the other hand, sparse convolutional models, which assume that a signal can be…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Xili Dai , Mingyang Li , Pengyuan Zhai , Shengbang Tong , Xingjian Gao , Shao-Lun Huang , Zhihui Zhu , Chong You , Yi Ma

In recent years, unfolding iterative algorithms as neural networks has become an empirical success in solving sparse recovery problems. However, its theoretical understanding is still immature, which prevents us from fully utilizing the…

机器学习 · 计算机科学 2018-11-06 Xiaohan Chen , Jialin Liu , Zhangyang Wang , Wotao Yin

The locally competitive algorithm (LCA) can solve sparse coding problems across a wide range of use cases. Recently, convolution-based LCA approaches have been shown to be highly effective for enhancing robustness for image recognition…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Geoffrey Kasenbacher , Felix Ehret , Gerrit Ecke , Sebastian Otte

In this paper, we present a robust method for scene recognition, which leverages Convolutional Neural Networks (CNNs) features and Sparse Coding setting by creating a new representation of indoor scenes. Although CNNs highly benefited the…

计算机视觉与模式识别 · 计算机科学 2017-08-28 Guilherme Nascimento , Camila Laranjeira , Vinicius Braz , Anisio Lacerda , Erickson R. Nascimento

This paper proposes an Adaptive Stochastic Model Predictive Control (MPC) strategy for stable linear time-invariant systems in the presence of bounded disturbances. We consider multi-input, multi-output systems that can be expressed by a…

系统与控制 · 电气工程与系统科学 2019-12-11 Monimoy Bujarbaruah , Charlott Vallon

We introduce a parameter sharing scheme, in which different layers of a convolutional neural network (CNN) are defined by a learned linear combination of parameter tensors from a global bank of templates. Restricting the number of templates…

机器学习 · 计算机科学 2019-03-15 Pedro Savarese , Michael Maire

While deep neural networks have achieved impressive success in image compressive sensing (CS), most of them lack flexibility when dealing with multi-ratio tasks and multi-scene images in practical applications. To tackle these challenges,…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Di You , Jingfen Xie , Jian Zhang

The iterations of many first-order algorithms, when applied to minimizing common regularized regression functions, often resemble neural network layers with pre-specified weights. This observation has prompted the development of…

机器学习 · 计算机科学 2017-08-03 Hao He , Bo Xin , David Wipf

Convolutional neural network (CNN) approaches available in the current literature are designed to work primarily with low-resolution images. When applied on very large images, challenges related to GPU memory, smaller receptive field than…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Deepak K. Gupta , Udbhav Bamba , Abhishek Thakur , Akash Gupta , Suraj Sharan , Ertugrul Demir , Dilip K. Prasad

Convolution neural networks (CNNs) have achieved remarkable success, but typically accompany high computation cost and numerous redundant weight parameters. To reduce the FLOPs, structure pruning is a popular approach to remove the entire…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Bo Ji , Tianyi Chen

Hard-thresholding-based algorithms have seen various advantages for sparse optimization in controlling the sparsity and allowing for fast computation. Recent research shows that when techniques of the Newton-type methods are integrated,…

最优化与控制 · 数学 2022-11-11 Shenglong Zhou

Structured pruning of filters or neurons has received increased focus for compressing convolutional neural networks. Most existing methods rely on multi-stage optimizations in a layer-wise manner for iteratively pruning and retraining which…

计算机视觉与模式识别 · 计算机科学 2019-03-25 Shaohui Lin , Rongrong Ji , Chenqian Yan , Baochang Zhang , Liujuan Cao , Qixiang Ye , Feiyue Huang , David Doermann

Machine learning (ML) techniques have recently gained significant attention for solving compliance minimization (CM) problems. However, these methods typically provide poor feature boundaries, are very expensive, and lack a systematic…

机器学习 · 计算机科学 2025-11-06 Xiangyu Sun , Amin Yousefpour , Shirin Hosseinmardi , Ramin Bostanabad