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Related papers: Long-Term 3D Point Tracking By Cost Volume Fusion

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Point cloud stands as the most widely adopted format for representing 3D shapes and scenes due to its simplicity and geometric fidelity. However, its inherent unordered and irregular nature, exacerbated by sensor noise and occlusions,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Minhas Kamal , Hiranya Garbha Kumar , Balakrishnan Prabhakaran

When working with 3D facial data, improving fidelity and avoiding the uncanny valley effect is critically dependent on accurate 3D facial performance capture. Because such methods are expensive and due to the widespread availability of 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Felix Taubner , Prashant Raina , Mathieu Tuli , Eu Wern Teh , Chul Lee , Jinmiao Huang

Many applications in robotics and human-computer interaction can benefit from understanding 3D motion of points in a dynamic environment, widely noted as scene flow. While most previous methods focus on stereo and RGB-D images as input, few…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Xingyu Liu , Charles R. Qi , Leonidas J. Guibas

As a video task, Multiple Object Tracking (MOT) is expected to capture temporal information of targets effectively. Unfortunately, most existing methods only explicitly exploit the object features between adjacent frames, while lacking the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Ruopeng Gao , Limin Wang

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

In autonomous driving, recent research has increasingly focused on collaborative perception based on deep learning to overcome the limitations of individual perception systems. Although these methods achieve high accuracy, they rely on high…

Robotics · Computer Science 2025-07-04 Maryem Fadili , Mohamed Anis Ghaoui , Louis Lecrosnier , Steve Pechberti , Redouane Khemmar

Effectively representing 3D scenes for Multimodal Large Language Models (MLLMs) is crucial yet challenging. Existing approaches commonly only rely on 2D image features and use varied tokenization approaches. This work presents a rigorous…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Hugues Thomas , Chen Chen , Jian Zhang

Dense 3D scene reconstruction from an ordered sequence or unordered image collections is a critical step when bringing research in computer vision into practical scenarios. Following the paradigm introduced by DUSt3R, which unifies an image…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Yuqi Wu , Wenzhao Zheng , Jie Zhou , Jiwen Lu

We propose DoubleFusion, a new real-time system that combines volumetric dynamic reconstruction with data-driven template fitting to simultaneously reconstruct detailed geometry, non-rigid motion and the inner human body shape from a single…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Tao Yu , Zerong Zheng , Kaiwen Guo , Jianhui Zhao , Qionghai Dai , Hao Li , Gerard Pons-Moll , Yebin Liu

In this paper, we demonstrate that deep learning based method can be used to fuse multi-object densities. Given a scenario with several sensors with possibly different field-of-views, tracking is performed locally in each sensor by a…

Machine Learning · Computer Science 2023-02-17 Lechi Li , Chen Dai , Yuxuan Xia , Lennart Svensson

Methods tackling multi-object tracking need to estimate the number of targets in the sensing area as well as to estimate their continuous state. While the majority of existing methods focus on data association, precise state (3D pose)…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Johannes Groß , Aljosa Osep , Bastian Leibe

3D Multi-Object Tracking (MOT) captures stable and comprehensive motion states of surrounding obstacles, essential for robotic perception. However, current 3D trackers face issues with accuracy and latency consistency. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Xiaoyu Li , Dedong Liu , Yitao Wu , Xian Wu , Lijun Zhao , Jinghan Gao

In volume-to-volume translations in medical images, existing models often struggle to capture the inherent volumetric distribution using 3D voxelspace representations, due to high computational dataset demands. We present Score-Fusion, a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Xiyue Zhu , Dou Hoon Kwark , Ruike Zhu , Kaiwen Hong , Yiqi Tao , Shirui Luo , Yudu Li , Zhi-Pei Liang , Volodymyr Kindratenko

We propose a late-to-early recurrent feature fusion scheme for 3D object detection using temporal LiDAR point clouds. Our main motivation is fusing object-aware latent embeddings into the early stages of a 3D object detector. This feature…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Tong He , Pei Sun , Zhaoqi Leng , Chenxi Liu , Dragomir Anguelov , Mingxing Tan

Recovering a dynamic 3D scene from a long monocular video is crucial for dense geometry, camera motion, and temporal correspondence to remain consistent in a shared coordinate system. Existing methods face two key challenges: (1)…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Chenyi Xu , Yihao Wu , Liqi Yan , Chao Yang , Jianhui Zhang , Fangli Guan , Pan Li

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 LiDAR-based 3D detection, history point clouds contain rich temporal information helpful for future prediction. In the same way, history detections should contribute to future detections. In this paper, we propose a detection enhancement…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Xirui Li , Feng Wang , Naiyan Wang , Chao Ma

We introduce TAPIP3D, a novel approach for long-term 3D point tracking in monocular RGB and RGB-D videos. TAPIP3D represents videos as camera-stabilized spatio-temporal feature clouds, leveraging depth and camera motion information to lift…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Bowei Zhang , Lei Ke , Adam W. Harley , Katerina Fragkiadaki

The task of 3D single object tracking (SOT) with LiDAR point clouds is crucial for various applications, such as autonomous driving and robotics. However, existing approaches have primarily relied on appearance matching or motion modeling…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Zhipeng Luo , Gongjie Zhang , Changqing Zhou , Zhonghua Wu , Qingyi Tao , Lewei Lu , Shijian Lu

Keypoint-based representation has proven advantageous in various visual and robotic tasks. However, the existing 2D and 3D methods for detecting keypoints mainly rely on geometric consistency to achieve spatial alignment, neglecting…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Chengliang Zhong , Yuhang Zheng , Yupeng Zheng , Hao Zhao , Li Yi , Xiaodong Mu , Ling Wang , Pengfei Li , Guyue Zhou , Chao Yang , Xinliang Zhang , Jian Zhao