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The detection and tracking of small targets in passive optical remote sensing (PORS) has broad applications. However, most of the previously proposed methods seldom utilize the abundant temporal features formed by target motion, resulting…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Weihua Gao , Wenlong Niu , Wenlong Lu , Pengcheng Wang , Zhaoyuan Qi , Xiaodong Peng , Zhen Yang

In this paper, we study a discriminatively trained deep convolutional network for the task of visual tracking. Our tracker utilizes both motion and appearance features that are extracted from a pre-trained dual stream deep convolution…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Meera Hahn , Si Chen , Afshin Dehghan

The need of sign language is increasing radically especially to hearing impaired community. Only few research groups try to automatically recognize sign language from video, colored gloves and etc. Their approach requires a valid…

Computer Vision and Pattern Recognition · Computer Science 2010-01-13 M. Krishnaveni , Dr. V. Radha

Topological correctness plays a critical role in many image segmentation tasks, yet most networks are trained using pixel-wise loss functions, such as Dice, neglecting topological accuracy. Existing topology-aware methods often lack robust…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Laurin Lux , Alexander H. Berger , Alexander Weers , Nico Stucki , Daniel Rueckert , Ulrich Bauer , Johannes C. Paetzold

Multiple people tracking is a key problem for many applications such as surveillance, animation or car navigation, and a key input for tasks such as activity recognition. In crowded environments occlusions and false detections are common,…

Computer Vision and Pattern Recognition · Computer Science 2016-12-01 Laura Leal-Taixé

Statistical tracking filters depend on accurate target measurements and uncertainty estimates for good tracking performance. In this work, we propose novel machine learning models for target detection and uncertainty estimation in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Elizabeth Hou , Ross Greenwood , Piyush Kumar

Deep learning has recently started being applied to visual tracking of generic objects in video streams. For the purposes of robotics applications, it is very important for a target tracker to recover its track if it is lost due to heavy or…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Pranoy Panda , Martin Barczyk

Searching for small objects in large images is a task that is both challenging for current deep learning systems and important in numerous real-world applications, such as remote sensing and medical imaging. Thorough scanning of very large…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Nathan Drenkow , Philippe Burlina , Neil Fendley , Onyekachi Odoemene , Jared Markowitz

Robustness and discrimination power are two fundamental requirements in visual object tracking. In most tracking paradigms, we find that the features extracted by the popular Siamese-like networks cannot fully discriminatively model the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Fei Xie , Chunyu Wang , Guangting Wang , Yue Cao , Wankou Yang , Wenjun Zeng

Feature tracking in time-varying scalar fields is a fundamental task in scientific computing. Topological descriptors, which summarize important features of data, have proved to be viable tools to facilitate this task. The merge tree is a…

Graphics · Computer Science 2025-10-14 Son Le Thanh , Tino Weinkauf

Robots and autonomous vehicles should be aware of what happens in their surroundings. The segmentation and tracking of moving objects are essential for reliable path planning, including collision avoidance. We investigate this estimation…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Matthias Zeller , Daniel Casado Herraez , Jens Behley , Michael Heidingsfeld , Cyrill Stachniss

Infrared object tracking plays a crucial role in Anti-Unmanned Aerial Vehicle (Anti-UAV) applications. Existing trackers often depend on cropped template regions and have limited motion modeling capabilities, which pose challenges when…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Chenxu Peng , Chenxu Wang , Minrui Zou , Danyang Li , Zhengpeng Yang , Yimian Dai , Ming-Ming Cheng , Xiang Li

Small target detection is inherently challenging due to the minimal size, lack of distinctive features, and the presence of complex backgrounds. Heavy noise further complicates the task by both obscuring and imitating the target appearance.…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Nicholas Bampton , Tian J. Ma , Minh N. Do

Current state-of-the-art trackers only rely on a target appearance model in order to localize the object in each frame. Such approaches are however prone to fail in case of e.g. fast appearance changes or presence of distractor objects,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Goutam Bhat , Martin Danelljan , Luc Van Gool , Radu Timofte

The crux of long-term tracking lies in the difficulty of tracking the target with discontinuous moving caused by out-of-view or occlusion. Existing long-term tracking methods follow two typical strategies. The first strategy employs a local…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Zikun Zhou , Jianqiu Chen , Wenjie Pei , Kaige Mao , Hongpeng Wang , Zhenyu He

The topology method is an algorithm for accurate estimation of instantaneous heartbeat intervals using millimeter-wave radar signals. In this model, feature points are extracted from the skin displacement waveforms generated by heartbeats…

Signal Processing · Electrical Eng. & Systems 2024-02-23 Yuji Tanaka , Kimitaka Sumi , Itsuki Iwata , Takuya Sakamoto

Referring video object segmentation aims to segment and track a target object in a video using a natural language prompt. Existing methods typically fuse visual and textual features in a highly entangled manner, processing multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Suhwan Cho , Seunghoon Lee , Minhyeok Lee , Jungho Lee , Sangyoun Lee

We propose an adaptive tracking algorithm where the object is modelled as a continuously updated bag of affine subspaces, with each subspace constructed from the object's appearance over several consecutive frames. In contrast to linear…

Computer Vision and Pattern Recognition · Computer Science 2016-02-08 Sareh Shirazi , Conrad Sanderson , Chris McCool , Mehrtash T. Harandi

Multi-face tracking in unconstrained videos is a challenging problem as faces of one person often appear drastically different in multiple shots due to significant variations in scale, pose, expression, illumination, and make-up. Existing…

Computer Vision and Pattern Recognition · Computer Science 2017-10-06 Shun Zhang , Jia-Bin Huang , Jongwoo Lim , Yihong Gong , Jinjun Wang , Narendra Ahuja , Ming-Hsuan Yang

This study proposes a method for the real-time detection and recognition of targets in streetscape videos. The proposed method is based on separation confidence computation and scale synthesis optimization. We use the proposed method to…

Image and Video Processing · Electrical Eng. & Systems 2018-06-12 Liu Jian-min