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Related papers: SAM 2++: Tracking Anything at Any Granularity

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Tracking objects over long videos effectively means solving a spectrum of problems, from short-term association for un-occluded objects to long-term association for objects that are occluded and then reappear in the scene. Methods tackling…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Orcun Cetintas , Guillem Brasó , Laura Leal-Taixé

Tracking cells and detecting mitotic events in time-lapse microscopy image sequences is a crucial task in biomedical research. However, it remains highly challenging due to dividing objects, low signal-tonoise ratios, indistinct boundaries,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Zhu Chen , Mert Edgü , Er Jin , Johannes Stegmaier

Multi-Object Tracking MOT encompasses various tracking scenarios, each characterized by unique traits. Effective trackers should demonstrate a high degree of generalizability across diverse scenarios. However, existing trackers struggle to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Zheng Qin , Le Wang , Sanping Zhou , Panpan Fu , Gang Hua , Wei Tang

Current benchmarks for video segmentation are limited to annotating only salient objects (i.e., foreground instances). Despite their impressive architectural designs, previous works trained on these benchmarks have struggled to adapt to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Sangbeom Lim , Seongchan Kim , Seungjun An , Seokju Cho , Paul Hongsuck Seo , Seungryong Kim

Current multimodal and multitask foundation models like 4M or UnifiedIO show promising results, but in practice their out-of-the-box abilities to accept diverse inputs and perform diverse tasks are limited by the (usually rather small)…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Roman Bachmann , Oğuzhan Fatih Kar , David Mizrahi , Ali Garjani , Mingfei Gao , David Griffiths , Jiaming Hu , Afshin Dehghan , Amir Zamir

We propose a universal video-level modality-awareness tracking model with online dense temporal token learning (called {\modaltracker}). It is designed to support various tracking tasks, including RGB, RGB+Thermal, RGB+Depth, and RGB+Event,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Yaozong Zheng , Bineng Zhong , Qihua Liang , Shengping Zhang , Guorong Li , Xianxian Li , Rongrong Ji

The Segment Anything Model (SAM) is a powerful vision foundation model that is revolutionizing the traditional paradigm of segmentation. Despite this, a reliance on prompting each frame and large computational cost limit its usage in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Zijian Wu , Adam Schmidt , Peter Kazanzides , Septimiu E. Salcudean

This paper presents enhancements to the SAM2 framework for video object tracking task, addressing challenges such as occlusions, background clutter, and target reappearance. We introduce a hierarchical motion estimation strategy, combining…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Ruixiang Chen , Guolei Sun , Yawei Li , Jie Qin , Luca Benini

Autonomous-driving perception systems require robust Multi-Object Tracking (MOT) to operate reliably in dynamic environments. MOT maintains consistent object identities across frames while preserving spatial accuracy. Recent foundation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Diogo Mendonça , Tiago Barros , Cristiano Premebida , Urbano J. Nunes

Segment Anything (SAM) has recently pushed the boundaries of segmentation by demonstrating zero-shot generalization and flexible prompting after training on over one billion masks. Despite this, its mask prediction accuracy often falls…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Zezhong Fan , Xiaohan Li , Topojoy Biswas , Kaushiki Nag , Kannan Achan

Multi-modal tracking is essential in single-object tracking (SOT), as different sensor types contribute unique capabilities to overcome challenges caused by variations in object appearance. However, existing unified RGB-X trackers (X…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 He Wang , Tianyang Xu , Zhangyong Tang , Xiao-Jun Wu , Josef Kittler

The Segment Anything Model 2 (SAM2) demonstrates remarkable universal segmentation capabilities on natural images. However, its performance on ultrasound images is significantly degraded due to domain disparities. This limitation raises two…

Image and Video Processing · Electrical Eng. & Systems 2025-11-21 Yue Li , Qing Xu , Yixuan Zhang , Xiangjian He , Qian Zhang , Yuan Yao , Fiseha B. Tesem , Xin Chen , Ruili Wang , Zhen Chen , Chang Wen Chen

Edge labels are typically at various granularity levels owing to the varying preferences of annotators, thus handling the subjectivity of per-pixel labels has been a focal point for edge detection. Previous methods often employ a simple…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Xing Liufu , Chaolei Tan , Xiaotong Lin , Yonggang Qi , Jinxuan Li , Jian-Fang Hu

Current popular online multi-object tracking (MOT) solutions apply single object trackers (SOTs) to capture object motions, while often requiring an extra affinity network to associate objects, especially for the occluded ones. This brings…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Junbo Yin , Wenguan Wang , Qinghao Meng , Ruigang Yang , Jianbing Shen

Medical image segmentation plays a pivotal role in clinical diagnostics and treatment planning, yet existing models often face challenges in generalization and in handling both 2D and 3D data uniformly. In this paper, we introduce Medical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Jiayuan Zhu , Abdullah Hamdi , Yunli Qi , Yueming Jin , Junde Wu

Video Object Segmentation and Tracking (VOST) presents a complex yet critical challenge in computer vision, requiring robust integration of segmentation and tracking across temporally dynamic frames. Traditional methods have struggled with…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Guoping Xu , Jayaram K. Udupa , Yajun Yu , Hua-Chieh Shao , Songlin Zhao , Wei Liu , You Zhang

The Segment Anything Model (SAM), developed by Meta AI Research, represents a significant breakthrough in computer vision, offering a robust framework for image and video segmentation. This survey provides a comprehensive exploration of the…

We present a unified method, termed Unicorn, that can simultaneously solve four tracking problems (SOT, MOT, VOS, MOTS) with a single network using the same model parameters. Due to the fragmented definitions of the object tracking problem…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Bin Yan , Yi Jiang , Peize Sun , Dong Wang , Zehuan Yuan , Ping Luo , Huchuan Lu

Object tracking in satellite videos remains a complex endeavor in remote sensing due to the intricate and dynamic nature of satellite imagery. Existing state-of-the-art trackers in computer vision integrate sophisticated architectures,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Athena Psalta , Vasileios Tsironis , Andreas El Saer , Konstantinos Karantzalos

Multimodal Large Language Models (MLLMs) have demonstrated strong image-level visual understanding and reasoning, yet their pixel-level perception across both images and videos remains limited. Foundation segmentation models such as the SAM…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Hao Wang , Limeng Qiao , Chi Zhang , Lin Ma , Guanglu Wan , Xiangyuan Lan , Xiaodan Liang