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Related papers: Structured Occlusion Coding for Robust Face Recogn…

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The role of sparse representations in the context of structured noise filtering is discussed. A strategy, especially conceived so as to address problems of an ill posed nature, is presented. The proposed approach revises and extends the…

Functional Analysis · Mathematics 2007-09-18 Bishnu P. Lamichhane , Laura Rebollo-Neira

Occlusions often occur in face images in the wild, troubling face-related tasks such as landmark detection, 3D reconstruction, and face recognition. It is beneficial to extract face regions from unconstrained face images accurately.…

Computer Vision and Pattern Recognition · Computer Science 2022-01-24 Xiangnan Yin , Liming Chen

Self-supervised stereo matching holds great promise by eliminating the reliance on expensive ground-truth data. Its dominant paradigm, based on photometric consistency, is however fundamentally hindered by the occlusion challenge -- an…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Ruizhi Yang , Xingqiang Li , Jiajun Bai , Jinsong Du

The presence of occlusions has provided substantial challenges to typically-powerful object recognition algorithms. Additional sources of information can be extremely valuable to reduce errors caused by occlusions. Scene context is known to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Courtney M. King , Daniel D. Leeds , Damian Lyons , George Kalaitzis

Real-time occlusion handling is a major problem in outdoor mixed reality system because it requires great computational cost mainly due to the complexity of the scene. Using only segmentation, it is difficult to accurately render a virtual…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Menandro Roxas , Tomoki Hori , Taiki Fukiage , Yasuhide Okamoto , Takeshi Oishi

This report concerns the use of techniques for sparse signal representation and sparse error correction for automatic face recognition. Much of the recent interest in these techniques comes from the paper "Robust Face Recognition via Sparse…

Computer Vision and Pattern Recognition · Computer Science 2011-11-07 John Wright , Arvind Ganesh , Allen Yang , Zihan Zhou , Yi Ma

It is a challenging task to accurately perform semantic segmentation due to the complexity of real picture scenes. Many semantic segmentation methods based on traditional deep learning insufficiently captured the semantic and appearance…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Haitong Tang , Shuang He , Mengduo Yang , Xia Lu , Qin Yu , Kaiyue Liu , Hongjie Yan , Nizhuan Wang

In this paper, we study the task of detecting semantic parts of an object, e.g., a wheel of a car, under partial occlusion. We propose that all models should be trained without seeing occlusions while being able to transfer the learned…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Zhishuai Zhang , Cihang Xie , Jianyu Wang , Lingxi Xie , Alan L. Yuille

Systems involving human-robot collaboration necessarily require that steps be taken to ensure safety of the participating human. This is usually achievable if accurate, reliable estimates of the human's pose are available. In this paper, we…

Robotics · Computer Science 2023-10-30 Michael Zechmair , Alban Bornet , Yannick Morel

We present sparse topical coding (STC), a non-probabilistic formulation of topic models for discovering latent representations of large collections of data. Unlike probabilistic topic models, STC relaxes the normalization constraint of…

Machine Learning · Computer Science 2012-02-20 Jun Zhu , Eric P. Xing

We propose Ordered Subspace Clustering (OSC) to segment data drawn from a sequentially ordered union of subspaces. Similar to Sparse Subspace Clustering (SSC) we formulate the problem as one of finding a sparse representation but include an…

Computer Vision and Pattern Recognition · Computer Science 2015-04-17 Stephen Tierney , Yi Guo , Junbin Gao

Over the past few years, dictionary learning (DL)-based methods have been successfully used in various image reconstruction problems. However, traditional DL-based computed tomography (CT) reconstruction methods are patch-based and ignore…

This paper performs comprehensive analysis on datasets for occlusion-aware face segmentation, a task that is crucial for many downstream applications. The collection and annotation of such datasets are time-consuming and labor-intensive.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Kenny T. R. Voo , Liming Jiang , Chen Change Loy

In this paper, we propose a robust 3D face recognition system which can handle pose as well as occlusions in real world. The system at first takes as input, a 3D range image, simultaneously registers it using ICP(Iterative Closest Point)…

Computer Vision and Pattern Recognition · Computer Science 2014-08-19 Parama Bagchi , Debotosh Bhattacharjee , Mita Nasipuri

Fine-grained semantic segmentation of a person's face and head, including facial parts and head components, has progressed a great deal in recent years. However, it remains a challenging task, whereby considering ambiguous occlusions and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Lei Li , Tianfang Zhang , Zhongfeng Kang , Xikun Jiang

Facial expression is the most natural means for human beings to communicate their emotions. Most facial expression analysis studies consider the case of acted expressions. Spontaneous facial expression recognition is significantly more…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Dawood Al Chanti , Alice Caplier

Applications of diffusion models for visual tasks have been quite noteworthy. This paper targets making classification models more robust to occlusions for the task of object recognition by proposing a pipeline that utilizes a frozen…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Rupayan Mallick , Sibo Dong , Nataniel Ruiz , Sarah Adel Bargal

Mixed reality applications often require virtual objects that are partly occluded by real objects. However, previous research and commercial products have limitations in terms of performance and efficiency. To address these challenges, we…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Naye Ji , Fan Zhang , Haoxiang Zhang , Youbing Zhao , Dingguo Yu

The extraction of a clean background image by removing foreground occlusion holds immense practical significance, but it also presents several challenges. Presently, the majority of de-occlusion research focuses on addressing this issue…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Jiyuan Zhang , Shiyan Chen , Yajing Zheng , Zhaofei Yu , Tiejun Huang

Analyzing complex scenes with Deep Neural Networks is a challenging task, particularly when images contain multiple objects that partially occlude each other. Existing approaches to image analysis mostly process objects independently and do…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Xiaoding Yuan , Adam Kortylewski , Yihong Sun , Alan Yuille
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