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Most of the existing single object trackers track the target in a unitary local search window, making them particularly vulnerable to challenging factors such as heavy occlusions and out-of-view movements. Despite the attempts to further…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Xiao Wang , Zhe Chen , Jin Tang , Bin Luo , Yaowei Wang , Yonghong Tian , Feng Wu

Recently, weighted patch representation has been widely studied for alleviating the impact of background information included in bounding box to improve visual tracking results. However, existing weighted patch representation models…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Bo Jiang , Doudou Lin , Bin Luo , Jin Tang

The tracking-by-detection framework requires a set of positive and negative training samples to learn robust tracking models for precise localization of target objects. However, existing tracking models mostly treat different samples…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Xiao Wang , Chenglong Li , Rui Yang , Tianzhu Zhang , Jin Tang , Bin Luo

A fundamental component of modern trackers is an online learned tracking model, which is typically modeled either globally or locally. The two kinds of models perform differently in terms of effectiveness and robustness under different…

Computer Vision and Pattern Recognition · Computer Science 2016-09-12 Yao Sui , Guanghui Wang , Yafei Tang , Li Zhang

3D single object tracking remains a challenging problem due to the sparsity and incompleteness of the point clouds. Existing algorithms attempt to address the challenges in two strategies. The first strategy is to learn dense geometric…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Jingwen Zhang , Zikun Zhou , Guangming Lu , Jiandong Tian , Wenjie Pei

Current approaches in Multiple Object Tracking (MOT) rely on the spatio-temporal coherence between detections combined with object appearance to match objects from consecutive frames. In this work, we explore MOT using object appearances as…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Andreu Girbau , Ferran Marqués , Shin'ichi Satoh

Robust online multi-person tracking requires the correct associations of online detection responses with existing trajectories. We address this problem by developing a novel appearance modeling approach to provide accurate appearance…

Computer Vision and Pattern Recognition · Computer Science 2017-03-14 Min Yang , Yunde Jia

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

Tracking by detection, the dominant approach for online multi-object tracking, alternates between localization and association steps. As a result, it strongly depends on the quality of instantaneous observations, often failing when objects…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Pavel Tokmakov , Jie Li , Wolfram Burgard , Adrien Gaidon

Most existing trackers based on deep learning perform tracking in a holistic strategy, which aims to learn deep representations of the whole target for localizing the target. It is arduous for such methods to track targets with various…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Zikun Zhou , Wenjie Pei , Xin Li , Hongpeng Wang , Feng Zheng , Zhenyu He

This paper introduces a novel deep learning based approach for vision based single target tracking. We address this problem by proposing a network architecture which takes the input video frames and directly computes the tracking score for…

Computer Vision and Pattern Recognition · Computer Science 2016-07-12 Mengyao Zhai , Mehrsan Javan Roshtkhari , Greg Mori

This paper addresses the problem of appearance matching across different challenges while doing visual face tracking in real-world scenarios. In this paper, FaceTrack is proposed that utilizes multiple appearance models with its long-term…

Computer Vision and Pattern Recognition · Computer Science 2018-08-31 Tanushri Chakravorty , Guillaume-Alexandre Bilodeau , Eric Granger

In this paper, we propose a method called superpixel tensor pooling tracker which can fuse multiple midlevel cues captured by superpixels into sparse pooled tensor features. Our method first adopts the superpixel method to generate…

Image and Video Processing · Electrical Eng. & Systems 2019-10-15 Chong Wu , Le Zhang , Jiawang Cao , Hong Yan

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

Visual representation is crucial for a visual tracking method's performances. Conventionally, visual representations adopted in visual tracking rely on hand-crafted computer vision descriptors. These descriptors were developed generically…

Computer Vision and Pattern Recognition · Computer Science 2016-04-15 Jason Kuen , Kian Ming Lim , Chin Poo Lee

In visual tracking, part-based trackers are attractive since they are robust against occlusion and deformation. However, a part represented by a rectangular patch does not account for the shape of the target, while a superpixel does thanks…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 François-Xavier Derue , Guillaume-Alexandre Bilodeau , Robert Bergevin

This paper assumes prior detections of multiple targets at each time instant, and uses a graph-based approach to connect those detections across time, based on their position and appearance estimates. In contrast to most earlier works in…

Computer Vision and Pattern Recognition · Computer Science 2015-09-02 Amit Kumar K. C. , Damien Delannay , Christophe De Vleeschouwer

We propose a novel part-based method for tracking an arbitrary object in challenging video sequences. The colour distribution of tracked image patches on the target object are represented by pairs of RGB samples and counts of how many…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 George De Ath , Richard M. Everson

Tracking a target of interest in both sparse and crowded environments is a challenging problem, not yet successfully addressed in the literature. In this paper, we propose a new long-term visual tracking algorithm, learning discriminative…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Nathanael L. Baisa , Deepayan Bhowmik , Andrew Wallace

Sparse approximations using highly over-complete dictionaries is a state-of-the-art tool for many imaging applications including denoising, super-resolution, compressive sensing, light-field analysis, and object recognition. Unfortunately,…

Computer Vision and Pattern Recognition · Computer Science 2014-12-03 Ali Ayremlou , Thomas Goldstein , Ashok Veeraraghavan , Richard Baraniuk