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This paper presents a transformer-based Siamese network architecture (abbreviated by ChangeFormer) for Change Detection (CD) from a pair of co-registered remote sensing images. Different from recent CD frameworks, which are based on fully…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Wele Gedara Chaminda Bandara , Vishal M. Patel

Template-based discriminative trackers are currently the dominant tracking paradigm due to their robustness, but are restricted to bounding box tracking and a limited range of transformation models, which reduces their localization…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Alan Lukežič , Jiří Matas , Matej Kristan

This article presents a semantic tracker which simultaneously tracks a single target and recognises its category. In general, it is hard to design a tracking model suitable for all object categories, e.g., a rigid tracker for a car is not…

Computer Vision and Pattern Recognition · Computer Science 2016-11-22 Jingjing Xiao , Qiang Lan , Linbo Qiao , Ales Leonardis

3D scene understanding, e.g., point cloud semantic and instance segmentation, often requires large-scale annotated training data, but clearly, point-wise labels are too tedious to prepare. While some recent methods propose to train a 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Zhengzhe Liu , Xiaojuan Qi , Chi-Wing Fu

Point-cloud based 3D object detectors recently have achieved remarkable progress. However, most studies are limited to the development of network architectures for improving only their accuracy without consideration of the computational…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Hyeon Cho , Junyong Choi , Geonwoo Baek , Wonjun Hwang

Semi-supervised video object segmentation (VOS) refers to segmenting the target object in remaining frames given its annotation in the first frame, which has been actively studied in recent years. The key challenge lies in finding effective…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Meng Lan , Jing Zhang , Fengxiang He , Lefei Zhang

3D object detection is an essential vision technique for various robotic systems, such as augmented reality and domestic robots. Transformers as versatile network architectures have recently seen great success in 3D point cloud object…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Manli Shu , Le Xue , Ning Yu , Roberto Martín-Martín , Caiming Xiong , Tom Goldstein , Juan Carlos Niebles , Ran Xu

State-of-the-art lidar-based 3D object detection methods rely on supervised learning and large labeled datasets. However, annotating lidar data is resource-consuming, and depending only on supervised learning limits the applicability of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Ekim Yurtsever , Emeç Erçelik , Mingyu Liu , Zhijie Yang , Hanzhen Zhang , Pınar Topçam , Maximilian Listl , Yılmaz Kaan Çaylı , Alois Knoll

Siamese deep-network trackers have received significant attention in recent years due to their real-time speed and state-of-the-art performance. However, Siamese trackers suffer from similar looking confusers, that are prevalent in aerial…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Abu Md Niamul Taufique , Andreas Savakis , Michael Braun , Daniel Kubacki , Ethan Dell , Lei Qian , Sean M. O'Rourke

Multi-object grounding in 3D scenes involves localizing multiple objects based on natural language input. While previous work has primarily focused on single-object grounding, real-world scenarios often demand the localization of several…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Chengyi Du , Keyan Jin

Recently, the Siamese-based method has stood out from multitudinous tracking methods owing to its state-of-the-art (SOTA) performance. Nevertheless, due to various special challenges in UAV tracking, \textit{e.g.}, severe occlusion and fast…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Ziang Cao , Changhong Fu , Junjie Ye , Bowen Li , Yiming Li

3D object trackers usually require training on large amounts of annotated data that is expensive and time-consuming to collect. Instead, we propose leveraging vast unlabeled datasets by self-supervised metric learning of 3D object trackers,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Jianren Wang , Siddharth Ancha , Yi-Ting Chen , David Held

Geometry and color information provided by the point clouds are both crucial for 3D scene understanding. Two pieces of information characterize the different aspects of point clouds, but existing methods lack an elaborate design for the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Guofan Fan , Zekun Qi , Wenkai Shi , Kaisheng Ma

In this thesis, we propose a pioneering work on sparse keypoints tracking across images using transformer networks. While deep learning-based keypoints matching have been widely investigated using graph neural networks - and more recently…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Oleksii Nasypanyi , Francois Rameau

Most thermal infrared (TIR) tracking methods are discriminative, treating the tracking problem as a classification task. However, the objective of the classifier (label prediction) is not coupled to the objective of the tracker (location…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Xin Li , Qiao Liu , Nana Fan , Zhenyu He , Hongzhi Wang

Although the manipulating of the unmanned aerial manipulator (UAM) has been widely studied, vision-based UAM approaching, which is crucial to the subsequent manipulating, generally lacks effective design. The key to the visual UAM…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Guangze Zheng , Changhong Fu , Junjie Ye , Bowen Li , Geng Lu , Jia Pan

Existing learning-based point feature descriptors are usually task-agnostic, which pursue describing the individual 3D point clouds as accurate as possible. However, the matching task aims at describing the corresponding points consistently…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Zhiyuan Zhang , Yuchao Dai , Bin Fan , Jiadai Sun , Mingyi He

Point cloud analysis (such as 3D segmentation and detection) is a challenging task, because of not only the irregular geometries of many millions of unordered points, but also the great variations caused by depth, viewpoint, occlusion, etc.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Tuo Feng , Wenguan Wang , Xiaohan Wang , Yi Yang , Qinghua Zheng

Recently, Siamese-based trackers have achieved promising performance in visual tracking. Most recent Siamese-based trackers typically employ a depth-wise cross-correlation (DW-XCorr) to obtain multi-channel correlation information from the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Wencheng Han , Xingping Dong , Fahad Shahbaz Khan , Ling Shao , Jianbing Shen

Event cameras are novel sensors that perceive the per-pixel intensity changes and output asynchronous event streams, showing lots of advantages over traditional cameras, such as high dynamic range (HDR) and no motion blur. It has been shown…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Yujeong Chae , Lin Wang , Kuk-Jin Yoon