English
Related papers

Related papers: Occluded Face Recognition Using Low-rank Regressio…

200 papers

Occluded person re-identification (ReID) aims to match occluded person images to holistic ones across dis-joint cameras. In this paper, we propose a novel framework by learning high-order relation and topology information for discriminative…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Guan'an Wang , Shuo Yang , Huanyu Liu , Zhicheng Wang , Yang Yang , Shuliang Wang , Gang Yu , Erjin Zhou , Jian Sun

This letter presents a new spectral-clustering-based approach to the subspace clustering problem. Underpinning the proposed method is a convex program for optimal direction search, which for each data point d finds an optimal direction in…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Mostafa Rahmani , George Atia

Recently, label consistent k-svd (LC-KSVD) algorithm has been successfully applied in image classification. The objective function of LC-KSVD is consisted of reconstruction error, classification error and discriminative sparse codes error…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Shuai Shao , Yan-Jiang Wang , Bao-Di Liu , Weifeng Liu , Rui Xu

Face parsing infers a pixel-wise label map for each semantic facial component. Previous methods generally work well for uncovered faces, however, they overlook facial occlusion and ignore some contextual areas outside a single face,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Jianhua Qiua , Weihua Liu , Chaochao Lin , Jiaojiao Li , Haoping Yu , Said Boumaraf

Convolutional sparse representation (CSR), shift-invariant model for inverse problems, has gained much attention in the fields of signal/image processing, machine learning and computer vision. The most challenging problems in CSR implies…

Machine Learning · Computer Science 2020-11-23 Gustavo Silva , Paul Rodriguez

Vision-based localization in a prior map is of crucial importance for autonomous vehicles. Given a query image, the goal is to estimate the camera pose corresponding to the prior map, and the key is the registration problem of camera images…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Xingyu Chen , Jianru Xue , Shanmin Pang

This paper addresses the problem of face recognition when there is only few, or even only a single, labeled examples of the face that we wish to recognize. Moreover, these examples are typically corrupted by nuisance variables, both linear…

Computer Vision and Pattern Recognition · Computer Science 2017-04-26 Yuan Gao , Jiayi Ma , Alan L. Yuille

The performance of face detection has been largely improved with the development of convolutional neural network. However, the occlusion issue due to mask and sunglasses, is still a challenging problem. The improvement on the recall of…

Computer Vision and Pattern Recognition · Computer Science 2017-11-23 Jianfeng Wang , Ye Yuan , Gang Yu

Face verification is a problem approached in the literature mainly using nonlinear class-specific subspace learning techniques. While it has been shown that kernel-based Class-Specific Discriminant Analysis is able to provide excellent…

Computer Vision and Pattern Recognition · Computer Science 2018-07-06 Guanqun Cao , Alexandros Iosifidis , Moncef Gabbouj

Objective: Improve the reconstructed image with fast and multi-class dictionaries learning when magnetic resonance imaging is accelerated by undersampling the k-space data. Methods: A fast orthogonal dictionary learning method is introduced…

Computer Vision and Pattern Recognition · Computer Science 2016-01-27 Zhifang Zhan , Jian-Feng Cai , Di Guo , Yunsong Liu , Zhong Chen , Xiaobo Qu

This paper proposes to learn high-performance deep ConvNets with sparse neural connections, referred to as sparse ConvNets, for face recognition. The sparse ConvNets are learned in an iterative way, each time one additional layer is…

Computer Vision and Pattern Recognition · Computer Science 2015-12-08 Yi Sun , Xiaogang Wang , Xiaoou Tang

Low-rank plus diagonal (LRPD) decompositions provide a powerful structural model for large covariance matrices, simultaneously capturing global shared factors and localized corrections that arise in covariance estimation, factor analysis,…

Numerical Analysis · Mathematics 2025-12-22 Kingsley Yeon , Mihai Anitescu

Recently, tensor data (or multidimensional array) have been generated in many modern applications, such as functional magnetic resonance imaging (fMRI) in neuroscience and videos in video analysis. Many efforts are made in recent years to…

Machine Learning · Computer Science 2023-08-10 Jiaqi Zhang , Yinghao Cai , Zhaoyang Wang , Beilun Wang

Face recognition remains a challenging task in unconstrained scenarios, especially when faces are partially occluded. To improve the robustness against occlusion, augmenting the training images with artificial occlusions has been proved as…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Mingjie He , Jie Zhang , Shiguang Shan , Xiao Liu , Zhongqin Wu , Xilin Chen

The presence of occluders significantly impacts object recognition accuracy. However, occlusion is typically treated as an unstructured source of noise and explicit models for occluders have lagged behind those for object appearance and…

Computer Vision and Pattern Recognition · Computer Science 2016-08-26 Golnaz Ghiasi , Charless C. Fowlkes

In this paper, we design a Collaborative-Hierarchical Sparse and Low-Rank (C-HiSLR) model that is natural for recognizing human emotion in visual data. Previous attempts require explicit expression components, which are often unavailable…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Xiang Xiang , Minh Dao , Gregory D. Hager , Trac D. Tran

Sparse learning has been shown to be effective in solving many real-world problems. Finding sparse representations is a fundamentally important topic in many fields of science including signal processing, computer vision, genome study and…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Jun Cheng

We study the problem of recovery of matrices that are simultaneously low rank and row and/or column sparse. Such matrices appear in recent applications in cognitive neuroscience, imaging, computer vision, macroeconomics, and genetics. We…

Machine Learning · Statistics 2019-04-11 Ming Yu , Varun Gupta , Mladen Kolar

Recent period of pandemic has brought person identification even with occluded face image a great importance with increased number of mask usage. This paper aims to recognize the occlusion of one of four types in face images. Various…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Mohamed Mohana , Prasanalakshmi B , Salem Alelyani , Mohammed Saleh Alsaqer

We study the low-rank phase retrieval problem, where we try to recover a $d_1\times d_2$ low-rank matrix from a series of phaseless linear measurements. This is a fourth-order inverse problem, as we are trying to recover factors of matrix…

Information Theory · Computer Science 2020-07-07 Kiryung Lee , Sohail Bahmani , Yonina Eldar , Justin Romberg
‹ Prev 1 3 4 5 6 7 10 Next ›