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Related papers: Patchwise Joint Sparse Tracking with Occlusion Det…

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Multi-head self-attention is a distinctive feature extraction mechanism of vision transformers that computes pairwise relationships among all input patches, contributing significantly to their high performance. However, it is known to incur…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Yuki Igaue , Hiroaki Aizawa

Multi-object tracking remains challenging due to frequent occurrence of occlusions and outliers. In order to handle this problem, we propose an Approximation-Shrink Scheme for sequential optimization. This scheme is realized by introducing…

Computer Vision and Pattern Recognition · Computer Science 2015-12-01 Qi Guo , Le Dan , Dong Yin , Xiangyang Ji

We propose ProTracker, a novel framework for accurate and robust long-term dense tracking of arbitrary points in videos. Previous methods relying on global cost volumes effectively handle large occlusions and scene changes but lack…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Tingyang Zhang , Chen Wang , Zhiyang Dou , Qingzhe Gao , Jiahui Lei , Baoquan Chen , Lingjie Liu

Aerial wildlife tracking is critical for conservation efforts and relies on detecting small objects on the ground below the aircraft. It presents technical challenges: crewed aircraft are expensive, risky and disruptive; autonomous drones…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Christopher Indris , Raiyan Rahman , Goetz Bramesfeld , Guanghui Wang

The problem of overlapping occlusion in target recognition has been a difficult research problem, and the situation of mutual occlusion of ship targets in narrow waters still exists. In this paper, an improved mosaic data enhancement method…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Guangmiao Zeng , Wanneng Yu , Rongjie Wang , Anhui Lin

This paper proposes a novel framework to alleviate the model drift problem in visual tracking, which is based on paced updates and trajectory selection. Given a base tracker, an ensemble of trackers is generated, in which each tracker's…

Computer Vision and Pattern Recognition · Computer Science 2016-03-02 Zexi Hu , Yuefang Gao , Dong Wang , Xuhong Tian

Traditional dictionary learning based CT reconstruction methods are patch-based and the features learned with these methods often contain shifted versions of the same features. To deal with these problems, the convolutional sparse coding…

Medical Physics · Physics 2018-10-16 Peng Bao , Wenjun Xia , Kang Yang , Jiliu Zhou , Yi Zhang

Object detection in natural environments is still a very challenging task, even though deep learning has brought a tremendous improvement in performance over the last years. A fundamental problem of object detection based on deep learning…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Julian Pegoraro , Roman Pflugfelder

Sparse representation of astronomical images is discussed. It is shown that a significant gain in sparsity is achieved when particular mixed dictionaries are used for approximating these types of images with greedy selection strategies.…

Mathematical Physics · Physics 2015-06-11 Laura Rebollo-Neira , James Bowley

Recent developments in monocular multi-object tracking have been very successful in tracking visible objects and bridging short occlusion gaps, mainly relying on data-driven appearance models. While we have significantly advanced short-term…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Patrick Dendorfer , Vladimir Yugay , Aljoša Ošep , Laura Leal-Taixé

Feature tracking is the building block of many applications such as visual odometry, augmented reality, and target tracking. Unfortunately, the state-of-the-art vision-based tracking algorithms fail in surgical images due to the challenges…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Mostafa Parchami , Saif Iftekar Sayed

Object trackers based on Convolution Neural Network (CNN) have achieved state-of-the-art performance on recent tracking benchmarks, while they suffer from slow computational speed. The high computational load arises from the extraction of…

Image and Video Processing · Electrical Eng. & Systems 2019-01-10 Al-Hussein A. El-Shafie , Mohamed Zaki , Serag El-Din Habib

Variations of target appearance such as deformations, illumination variance, occlusion, etc., are the major challenges of visual object tracking that negatively impact the performance of a tracker. An effective method to tackle these…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Dongwook Lee , Wonjun Choi , Seohyung Lee , ByungIn Yoo , Eunho Yang , Seongju Hwang

Deep neural networks are successfully used in various applications, but show their vulnerability to adversarial examples. With the development of adversarial patches, the feasibility of attacks in physical scenes increases, and the defenses…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Junwen Chen , Xingxing Wei

Temporal consistency is critical in video prediction to ensure that outputs are coherent and free of artifacts. Traditional methods, such as temporal attention and 3D convolution, may struggle with significant object motion and may not…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Zihang Lai , Andrea Vedaldi

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

We consider the offline change point detection and localization problem in the context of piecewise stationary networks, where the observable is a finite sequence of networks. We develop algorithms involving some suitably modified CUSUM…

Existing visual object tracking usually learns a bounding-box based template to match the targets across frames, which cannot accurately learn a pixel-wise representation, thereby being limited in handling severe appearance variations. To…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Fei Xie , Wankou Yang , Bo Liu , Kaihua Zhang , Wanli Xue , Wangmeng Zuo

Occlusions remain one of the key challenges in 3D body pose estimation from single-camera video sequences. Temporal consistency has been extensively used to mitigate their impact but the existing algorithms in the literature do not…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Soumava Kumar Roy , Ilia Badanin , Sina Honari , Pascal Fua

In this paper, we present a novel approach for object recognition in real-time by employing multilevel feature analysis and demonstrate the practicality of adapting feature extraction into a Naive Bayesian classification framework that…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Yang Cheng , Timeo Dubois
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