English
Related papers

Related papers: Patchwise Joint Sparse Tracking with Occlusion Det…

200 papers

Tracking pixels in videos is typically studied as an optical flow estimation problem, where every pixel is described with a displacement vector that locates it in the next frame. Even though wider temporal context is freely available, prior…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Adam W. Harley , Zhaoyuan Fang , Katerina Fragkiadaki

Image matching is a fundamental and critical task in various visual applications, such as Simultaneous Localization and Mapping (SLAM) and image retrieval, which require accurate pose estimation. However, most existing methods ignore the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Miao Fan , Mingrui Chen , Chen Hu , Shuchang Zhou

Tracking-by-detection approaches are some of the most successful object trackers in recent years. Their success is largely determined by the detector model they learn initially and then update over time. However, under challenging…

Computer Vision and Pattern Recognition · Computer Science 2015-10-01 Yang Hua , Karteek Alahari , Cordelia Schmid

This paper presents a sparse representation-based classification approach with a novel dictionary construction procedure. By using the constructed dictionary sophisticated prior knowledge about the spatial nature of the image can be…

Computer Vision and Pattern Recognition · Computer Science 2017-08-22 Ribana Roscher , Björn Waske

The celebrated sparse representation model has led to remarkable results in various signal processing tasks in the last decade. However, despite its initial purpose of serving as a global prior for entire signals, it has been commonly used…

Information Theory · Computer Science 2017-10-11 Vardan Papyan , Jeremias Sulam , Michael Elad

While generic object detection has achieved large improvements with rich feature hierarchies from deep nets, detecting small objects with poor visual cues remains challenging. Motion cues from multiple frames may be more informative for…

Computer Vision and Pattern Recognition · Computer Science 2018-05-16 Ryota Yoshihashi , Tu Tuan Trinh , Rei Kawakami , Shaodi You , Makoto Iida , Takeshi Naemura

Developing reliable defenses against patch attacks on object detectors has attracted increasing interest. However, we identify that existing defense evaluations lack a unified and comprehensive framework, resulting in inconsistent and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Junhao Zheng , Jiahao Sun , Chenhao Lin , Zhengyu Zhao , Chen Ma , Chong Zhang , Cong Wang , Qian Wang , Chao Shen

Occlusion presents a significant challenge in human pose estimation. The challenges posed by occlusion can be attributed to the following factors: 1) Data: The collection and annotation of occluded human pose samples are relatively…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Linhao Xu , Lin Zhao , Xinxin Sun , Di Wang , Guangyu Li , Kedong Yan

Inspired by the complementarity between conventional frame-based and bio-inspired event-based cameras, we propose a multi-modal based approach to fuse visual cues from the frame- and event-domain to enhance the single object tracking…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Jiqing Zhang , Xin Yang , Yingkai Fu , Xiaopeng Wei , Baocai Yin , Bo Dong

This paper proposes a self-supervised objective for learning representations that localize objects under occlusion - a property known as object permanence. A central question is the choice of learning signal in cases of total occlusion.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Pavel Tokmakov , Allan Jabri , Jie Li , Adrien Gaidon

Recently, object detection has proven vulnerable to adversarial patch attacks. The attackers holding a specially crafted patch can hide themselves from state-of-the-art detectors, e.g., YOLO, even in the physical world. This attack can…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Jiachun Li , Jianan Feng , Jianjun Huang , Bin Liang

For multi-target tracking, target representation plays a crucial rule in performance. State-of-the-art approaches rely on the deep learning-based visual representation that gives an optimal performance at the cost of high computational…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Mohib Ullah , Maqsood Mahmud , Habib Ullah , Kashif Ahmad , Ali Shariq Imran , Faouzi Alaya Cheikh

Recently, part-based and support vector machines (SVM) based trackers have shown favorable performance. Nonetheless, the time-consuming online training and updating process limit their real-time applications. In order to better deal with…

Computer Vision and Pattern Recognition · Computer Science 2018-05-28 Zhangjian Ji , Kai Feng , Yuhua Qian

In this work, we consider data association problems involving multi-object tracking (MOT). In particular, we address the challenges arising from object occlusions. We propose a framework called approximate dynamic programming track…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Pratyusha Musunuru , Yuchao Li , Jamison Weber , Dimitri Bertsekas

Visual tracking can be easily disturbed by similar surrounding objects. Such objects as hard distractors, even though being the minority among negative samples, increase the risk of target drift and model corruption, which deserve…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Ning Wang , Wengang Zhou , Qi Tian , Houqiang Li

Adversarial attacks pose a significant threat to the robustness and reliability of machine learning systems, particularly in computer vision applications. This study investigates the performance of adversarial patches for the YOLO object…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Jakob Shack , Katarina Petrovic , Olga Saukh

This paper proposes an online visual multi-object tracking (MOT) algorithm that resolves object appearance-reappearance and occlusion. Our solution is based on the labeled random finite set (LRFS) filtering approach, which in principle,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Linh Van Ma , Tran Thien Dat Nguyen , Changbeom Shim , Du Yong Kim , Namkoo Ha , Moongu Jeon

Adversarial attacks on machine learning models have seen increasing interest in the past years. By making only subtle changes to the input of a convolutional neural network, the output of the network can be swayed to output a completely…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Simen Thys , Wiebe Van Ranst , Toon Goedemé

This paper is about a curious phenomenon. Suppose we have a data matrix, which is the superposition of a low-rank component and a sparse component. Can we recover each component individually? We prove that under some suitable assumptions,…

Information Theory · Computer Science 2009-12-21 Emmanuel J. Candes , Xiaodong Li , Yi Ma , John Wright

In this article, we are concerned with tracking an object of interest in video stream. We propose an algorithm that is robust against occlusion, the presence of confusing colors, abrupt changes in the object feature space and changes in…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 Yi Dai , Bin Liu