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This work proposes a new image analysis tool called Label Consistent Transform Learning (LCTL). Transform learning is a recent unsupervised representation learning approach; we add supervision by incorporating a label consistency…

Image and Video Processing · Electrical Eng. & Systems 2019-12-25 Jyoti Maggu , Hemant K. Aggarwal , Angshul Majumdar

In this paper we propose an approach for learning low dimensional optimized feature space with minimum intra-class variance and maximum inter-class variance. We address the problem of high-dimensionality of feature vectors extracted from…

Image and Video Processing · Electrical Eng. & Systems 2020-01-31 Abin Jose , Erik Stefan Ottlik , Christian Rohlfing , Jens-Rainer Ohm

Traditional recursive least square (RLS) adaptive filtering is widely used to estimate the impulse responses (IR) of an unknown system. Nevertheless, the RLS estimator shows poor performance when tracking rapidly time-varying systems. In…

Signal Processing · Electrical Eng. & Systems 2021-10-25 Mohammad Towliat , Zheng Guo , Leonard J. Cimini , Xiang-Gen Xia , Aijun Song

Robust low-rank matrix estimation is a topic of increasing interest, with promising applications in a variety of fields, from computer vision to data mining and recommender systems. Recent theoretical results establish the ability of such…

Information Theory · Computer Science 2011-09-29 Ignacio Ramírez , Guillermo Sapiro

Linear discriminant analysis (LDA) is a popular technique to learn the most discriminative features for multi-class classification. A vast majority of existing LDA algorithms are prone to be dominated by the class with very large deviation…

Machine Learning · Computer Science 2020-09-28 Caixia Yan , Xiaojun Chang , Minnan Luo , Qinghua Zheng , Xiaoqin Zhang , Zhihui Li , Feiping Nie

Because hyperspectral remote sensing images contain a lot of redundant information and the data structure is highly non-linear, leading to low classification accuracy of traditional machine learning methods. The latest research shows that…

Computer Vision and Pattern Recognition · Computer Science 2020-05-13 Xiangdong Zhang , Tengjun Wang , Yun Yang

A new algorithm for 3D localization in multiplatform radar networks, comprising one transmitter and multiple receivers, is proposed. To take advantage of the monostatic sensor radiation pattern features, ad-hoc constraints are imposed in…

Signal Processing · Electrical Eng. & Systems 2022-04-06 Augusto Aubry , Paolo Braca , Antonio De Maio , Angela Marino

The paper contains several theoretical results related to the weighted nonlinear least-squares problem for low-rank signal estimation, which can be considered as a Hankel structured low-rank approximation problem. A parameterization of the…

Numerical Analysis · Mathematics 2022-07-29 Nikita Zvonarev , Nina Golyandina

Sparse Representation (SR) techniques encode the test samples into a sparse linear combination of all training samples and then classify the test samples into the class with the minimum residual. The classification of SR techniques depends…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Chun-Mei Feng , Yong Xu , Zuoyong Li , Jian Yang

We propose a new framework for the analysis of low-rank tensors which lies at the intersection of spectral graph theory and signal processing. As a first step, we present a new graph based low-rank decomposition which approximates the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-16 Nauman Shahid , Francesco Grassi , Pierre Vandergheynst

Image set recognition has been widely applied in many practical problems like real-time video retrieval and image caption tasks. Due to its superior performance, it has grown into a significant topic in recent years. However, images with…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Chuan-Xian Ren , You-Wei Luo , Xiao-Lin Xu , Dao-Qing Dai , Hong Yan

Semantic segmentation with limited annotations, such as weakly supervised semantic segmentation (WSSS) and semi-supervised semantic segmentation (SSSS), is a challenging task that has attracted much attention recently. Most leading WSSS…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Junwen Pan , Pengfei Zhu , Kaihua Zhang , Bing Cao , Yu Wang , Dingwen Zhang , Junwei Han , Qinghua Hu

Visual Autoregressive (VAR) modeling approach for image generation proposes autoregressive processing across hierarchical scales, decoding multiple tokens per scale in parallel. This method achieves high-quality generation while…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Hong-Kai Zheng , Piji Li

We develop theoretical results that establish a connection across various regression methods such as the non-negative least squares, bounded variable least squares, simplex constrained least squares, and lasso. In particular, we show in…

Computation · Statistics 2024-10-29 James Yang , Trevor Hastie

Multi-view spectral clustering, which aims at yielding an agreement or consensus data objects grouping across multi-views with their graph laplacian matrices, is a fundamental clustering problem. Among the existing methods, Low-Rank…

Machine Learning · Computer Science 2016-08-22 Yang Wang , Wenjie Zhang , Lin Wu , Xuemin Lin , Meng Fang , Shirui Pan

Inspired by the feedforward multilayer perceptron (FF-MLP), decision tree (DT) and extreme learning machine (ELM), a new classification model, called the subspace learning machine (SLM), is proposed in this work. SLM first identifies a…

Machine Learning · Computer Science 2022-05-12 Hongyu Fu , Yijing Yang , Vinod K. Mishra , C. -C. Jay Kuo

Low-shot learning indicates the ability to recognize unseen objects based on very limited labeled training samples, which simulates human visual intelligence. According to this concept, we propose a multi-level similarity model (MLSM) to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-16 Hongwei Xv , Xin Sun , Junyu Dong , Shu Zhang , Qiong Li

The aim of few-shot learning (FSL) is to learn how to recognize image categories from a small number of training examples. A central challenge is that the available training examples are normally insufficient to determine which visual…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Kun Yan , Zied Bouraoui , Ping Wang , Shoaib Jameel , Steven Schockaert

Few-shot classification of hyperspectral images (HSI) faces the challenge of scarce labeled samples. Self-Supervised learning (SSL) and Few-Shot Learning (FSL) offer promising avenues to address this issue. However, existing methods often…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Wenchen Chen , Yanmei Zhang , Zhongwei Xiao , Jianping Chu , Xingbo Wang

Inspired by the recently remarkable successes of Sparse Representation (SR), Collaborative Representation (CR) and sparse graph, we present a novel hypergraph model named Regression-based Hypergraph (RH) which utilizes the regression models…

Computer Vision and Pattern Recognition · Computer Science 2016-03-15 Sheng Huang , Dan Yang , Bo Liu , Xiaohong Zhang