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Perceiving and reconstructing objects from images are critical for real-to-sim transfer tasks, which are widely used in the robotics community. Existing methods rely on multiple submodules such as detection, segmentation, shape…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Chuanrui Zhang , Yingshuang Zou , ZhengXian Wu , Yonggen Ling , Yuxiao Yang , Ziwei Wang

Endoscopy is a crucial tool for diagnosing the gastrointestinal tract, but its effectiveness is often limited by a narrow field of view and the dynamic nature of the internal environment, especially in the esophagus, where complex and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Muyang Li , Juming Xiong , Ruining Deng , Tianyuan Yao , Regina N Tyree , Girish Hiremath , Yuankai Huo

General object grasping is an important yet unsolved problem in the field of robotics. Most of the current methods either generate grasp poses with few DoF that fail to cover most of the success grasps, or only take the unstable depth image…

Robotics · Computer Science 2021-03-04 Minghao Gou , Hao-Shu Fang , Zhanda Zhu , Sheng Xu , Chenxi Wang , Cewu Lu

Existing multimodal-based human action recognition approaches are computationally intensive, limiting their deployment in real-time applications. In this work, we present a novel and efficient pose-driven attention-guided multimodal network…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Ahmed Abdelkawy , Asem Ali , Aly Farag

Video-based human pose estimation models aim to address scenarios that cannot be effectively solved by static image models such as motion blur, out-of-focus and occlusion. Most existing approaches consist of two stages: detecting human…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Zhihong Wei

We propose an approach to estimate arm and hand dynamics from monocular video by utilizing the relationship between arm and hand. Although monocular full human motion capture technologies have made great progress in recent years, recovering…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Shuying Liu , Wenbin Wu , Jiaxian Wu , Yue Lin

In this paper, we present a HAnd Mesh Recovery (HAMR) framework to tackle the problem of reconstructing the full 3D mesh of a human hand from a single RGB image. In contrast to existing research on 2D or 3D hand pose estimation from RGB…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Xiong Zhang , Qiang Li , Hong Mo , Wenbo Zhang , Wen Zheng

3D reconstruction is a fundamental issue in many applications and the feature point matching problem is a key step while reconstructing target objects. Conventional algorithms can only find a small number of feature points from two images…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Zhihao Fang , He Ma , Xuemin Zhu , Xutao Guo , Ruixin Zhou

In this paper, we present RStab, a novel framework for video stabilization that integrates 3D multi-frame fusion through volume rendering. Departing from conventional methods, we introduce a 3D multi-frame perspective to generate stabilized…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Zhan Peng , Xinyi Ye , Weiyue Zhao , Tianqi Liu , Huiqiang Sun , Baopu Li , Zhiguo Cao

Real-time ego-motion tracking for endoscope is a significant task for efficient navigation and robotic automation of endoscopy. In this paper, a novel framework is proposed to perform real-time ego-motion tracking for endoscope. Firstly, a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Liangjing Shao , Benshuang Chen , Shuting Zhao , Xinrong Chen

In extended reality (XR), generating full-body motion of the users is important to understand their actions, drive their virtual avatars for social interaction, and convey a realistic sense of presence. While prior works focused on…

Automated segmentation of the left ventricular endocardium in echocardiography videos is a key research area in cardiology. It aims to provide accurate assessment of cardiac structure and function through Ejection Fraction (EF) estimation.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Dongfang Wang , Jian Yang , Yizhe Zhang , Tao Zhou

First-person dynamic spatial reasoning requires models to track continuous motion and precise geometric structure, but the quadratic attention cost of Transformer-based Video-LLMs makes dense visual tokens computationally expensive.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Pengtao Ma , Ziliang Zhou , Ciyu Ruan , Haoyang Wang , Kaiyuan Li , Zihang Gong , Wenhua Ding , Chen Gao , Jingao Xu , Xinlei Chen

This paper presents a method of constructing Parseval frames from any collection of complex envelopes. The resulting Enveloped Sinusoid Parseval (ESP) frames can represent a wide variety of signal types as specified by their physical…

Signal Processing · Electrical Eng. & Systems 2022-04-19 Geoff Goehle , Benjamin Cowen , J. Daniel Park , Daniel C. Brown

Self-supervised monocular scene flow estimation, aiming to understand both 3D structures and 3D motions from two temporally consecutive monocular images, has received increasing attention for its simple and economical sensor setup. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Zijie Jiang , Masatoshi Okutomi

Radiance of real-world scenes typically spans a much wider dynamic range than what standard cameras can capture. While conventional HDR methods merge alternating-exposure frames, these approaches are inherently constrained to 2D pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Shin Dong-Yeon , Kim Jun-Seong , Kwon Byung-Ki , Tae-Hyun Oh

In the realm of robot-assisted minimally invasive surgery, dynamic scene reconstruction can significantly enhance downstream tasks and improve surgical outcomes. Neural Radiance Fields (NeRF)-based methods have recently risen to prominence…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Yiming Huang , Beilei Cui , Long Bai , Ziqi Guo , Mengya Xu , Mobarakol Islam , Hongliang Ren

Monocular visual odometry (VO) is a fundamental computer vision problem with applications in autonomous navigation, augmented reality and more. While deep learning-based methods have recently shown superior accuracy compared to traditional…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Dominik Kuczkowski , Laura Ruotsalainen

For robotic arms to operate in arbitrary environments, especially near people, it is critical to certify the safety of their motion planning algorithms. However, there is often a trade-off between safety and real-time performance; one can…

Visually exploring in a real-world 4D spatiotemporal space freely in VR has been a long-term quest. The task is especially appealing when only a few or even single RGB cameras are used for capturing the dynamic scene. To this end, we…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Liangchen Song , Anpei Chen , Zhong Li , Zhang Chen , Lele Chen , Junsong Yuan , Yi Xu , Andreas Geiger