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The idea of video super resolution is to use different view points of a single scene to enhance the overall resolution and quality. Classical energy minimization approaches first establish a correspondence of the current frame to all its…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Jonas Geiping , Hendrik Dirks , Daniel Cremers , Michael Moeller

Transformer, the model of choice for natural language processing, has drawn scant attention from the medical imaging community. Given the ability to exploit long-term dependencies, transformers are promising to help atypical convolutional…

Computer Vision and Pattern Recognition · Computer Science 2022-02-07 Hong-Yu Zhou , Jiansen Guo , Yinghao Zhang , Lequan Yu , Liansheng Wang , Yizhou Yu

3D human pose estimation is a classic and important research direction in the field of computer vision. In recent years, Transformer-based methods have made significant progress in lifting 2D to 3D human pose estimation. However, these…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jiawen Duan , Jian Xiang , Zhiqiang Li , Linlin Xue , Wan Xiang

We propose an approach to the problem of global reconstruction of an orientation field. The method is based on a geometric model called "bisector line fields", which maps a pair of vector fields to an orientation field, effectively…

Numerical Analysis · Mathematics 2020-09-22 Nicolas Boizot , Ludovic Sacchelli

We present XFormer, a novel human mesh and motion capture method that achieves real-time performance on consumer CPUs given only monocular images as input. The proposed network architecture contains two branches: a keypoint branch that…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Lihui Qian , Xintong Han , Faqiang Wang , Hongyu Liu , Haoye Dong , Zhiwen Li , Huawei Wei , Zhe Lin , Cheng-Bin Jin

Due to large pixel movement and high computational cost, estimating the motion of high-resolution frames is challenging. Thus, most flow-based Video Frame Interpolation (VFI) methods first predict bidirectional flows at low resolution and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Chenyang Wu , Jiayi Fu , Chun-Le Guo , Shuhao Han , Chongyi Li

This paper presents a learning-based method to improve bi-prediction in video coding. In conventional video coding solutions, the motion compensation of blocks from already decoded reference pictures stands out as the principal tool used to…

Image and Video Processing · Electrical Eng. & Systems 2022-02-08 Franck Galpin , Philippe Bordes , Thierry Dumas , Pavel Nikitin , Fabrice Le Leannec

Efficient video action recognition remains a challenging problem. One large model after another takes the place of the state-of-the-art on the Kinetics dataset, but real-world efficiency evaluations are often lacking. In this work, we fill…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Raivo Koot , Haiping Lu

Estimating optical flows is one of the most interesting problems in computer vision, which estimates the essential information about pixel-wise displacements between two consecutive images. This work introduces an efficient dual…

Optimization and Control · Mathematics 2021-10-05 Hongpeng Sun , Xue-Cheng Tai , Jing Yuan

Video frame interpolation is a classic and challenging low-level computer vision task. Recently, deep learning based methods have achieved impressive results, and it has been proven that optical flow based methods can synthesize frames with…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Jinfeng Liu , Lingtong Kong , Jie Yang

We introduce a Transformer based 6D Object Pose Estimation framework VideoPose, comprising an end-to-end attention based modelling architecture, that attends to previous frames in order to estimate accurate 6D Object Poses in videos. Our…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Apoorva Beedu , Huda Alamri , Irfan Essa

Removing camera motion blur from a single light field is a challenging task since it is highly ill-posed inverse problem. The problem becomes even worse when blur kernel varies spatially due to scene depth variation and high-order camera…

Computer Vision and Pattern Recognition · Computer Science 2018-06-15 Dongwoo Lee , Haesol Park , In Kyu Park , Kyoung Mu Lee

Accurately estimating 3D hand pose is crucial for understanding how humans interact with the world. Despite remarkable progress, existing methods often struggle to generate plausible hand poses when the hand is heavily occluded or blurred.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Qichen Fu , Xingyu Liu , Ran Xu , Juan Carlos Niebles , Kris M. Kitani

In video super-resolution, it is common to use a frame-wise alignment to support the propagation of information over time. The role of alignment is well-studied for low-level enhancement in video, but existing works overlook a critical step…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Kai Xu , Ziwei Yu , Xin Wang , Michael Bi Mi , Angela Yao

Object parts serve as crucial intermediate representations in various downstream tasks, but part-level representation learning still has not received as much attention as other vision tasks. Previous research has established that Vision…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Jiahao Xia , Wenjian Huang , Min Xu , Jianguo Zhang , Haimin Zhang , Ziyu Sheng , Dong Xu

Understanding human motion beyond surface kinematics is crucial for motion analysis, rehabilitation, and injury risk assessment. However, progress in this domain is limited by the lack of large-scale datasets with biomechanical annotations,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Yujun Huo , He Zhang , Chentao Song , Honglin Song , Zongyu Zuo , Tao Yu

We study the problem of generating intermediate images from image pairs with large motion while maintaining semantic consistency. Due to the large motion, the intermediate semantic information may be absent in input images. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Liao Shen , Tianqi Liu , Huiqiang Sun , Xinyi Ye , Baopu Li , Jianming Zhang , Zhiguo Cao

Due to the lack of a definitive ground truth for the image fusion problem, the loss functions are structured based on evaluation metrics, such as the structural similarity index measure (SSIM). However, in doing so, a bias is introduced…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Aytekin Erdogan , Erdem Akagündüz

Video frame interpolation (VFI) is a fundamental vision task that aims to synthesize several frames between two consecutive original video images. Most algorithms aim to accomplish VFI by using only keyframes, which is an ill-posed problem…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Onur Selim Kılıç , Ahmet Akman , A. Aydın Alatan

Video frame interpolation (VFI) is a fundamental research topic in video processing, which is currently attracting increased attention across the research community. While the development of more advanced VFI algorithms has been extensively…

Image and Video Processing · Electrical Eng. & Systems 2024-01-23 Duolikun Danier , Fan Zhang , David Bull
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