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Super-resolution (SR) has been widely used to convert low-resolution legacy videos to high-resolution (HR) ones, to suit the increasing resolution of displays (e.g. UHD TVs). However, it becomes easier for humans to notice motion artifacts…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Soo Ye Kim , Jihyong Oh , Munchurl Kim

Accurate 3D reconstruction of dynamic surgical scenes from endoscopic video is essential for robotic-assisted surgery. While recent 3D Gaussian Splatting methods have shown promise in achieving high-quality reconstructions with fast…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Jialei Chen , Xin Zhang , Mobarakol Islam , Francisco Vasconcelos , Danail Stoyanov , Daniel S. Elson , Baoru Huang

We introduce bounded generation as a generalized task to control video generation to synthesize arbitrary camera and subject motion based only on a given start and end frame. Our objective is to fully leverage the inherent generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Haiwen Feng , Zheng Ding , Zhihao Xia , Simon Niklaus , Victoria Abrevaya , Michael J. Black , Xuaner Zhang

Recent years have seen considerable research activities devoted to video enhancement that simultaneously increases temporal frame rate and spatial resolution. However, the existing methods either fail to explore the intrinsic relationship…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Zhihao Shi , Xiaohong Liu , Chengqi Li , Linhui Dai , Jun Chen , Timothy N. Davidson , Jiying Zhao

Warping-based video stabilizers smooth camera trajectory by constraining each pixel's displacement and warp stabilized frames from unstable ones accordingly. However, since the view outside the boundary is not available during warping, the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Yufei Xu , Jing Zhang , Dacheng Tao

In this paper, we present a novel linear algorithm to estimate the 6 DoF relative pose from consecutive frames of stereo rolling shutter (RS) cameras. Our method is derived based on the assumption that stereo cameras undergo motion with…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Ke Wang , Bin Fan , Yuchao Dai

Image and video quality in Long Range Observation Systems (LOROS) suffer from atmospheric turbulence that causes small neighbourhoods in image frames to chaotically move in different directions and substantially hampers visual analysis of…

Optics · Physics 2010-07-27 Barak Fishbain , Leonid P. Yaroslavsky , Ianir A. Ideses

Although it has been widely discussed in video surveillance, background subtraction is still an open problem in the context of complex scenarios, e.g., dynamic backgrounds, illumination variations, and indistinct foreground objects. To…

Computer Vision and Pattern Recognition · Computer Science 2015-02-03 Liang Lin , Yuanlu Xu , Xiaodan Liang , Jianhuang Lai

Video super-resolution (VSR) aims to reconstruct a sequence of high-resolution (HR) images from their corresponding low-resolution (LR) versions. Traditionally, solving a VSR problem has been based on iterative algorithms that can exploit…

Image and Video Processing · Electrical Eng. & Systems 2021-02-24 Benjamin Naoto Chiche , Arnaud Woiselle , Joana Frontera-Pons , Jean-Luc Starck

Recent advances in 3D Gaussian Splatting (3DGS) have garnered significant attention in computer vision and computer graphics due to its high rendering speed and remarkable quality. While extant research has endeavored to extend the…

Multimedia · Computer Science 2025-04-22 Bangya Liu , Suman Banerjee

Video deblurring is still an unsolved problem due to the challenging spatio-temporal modeling process. While existing convolutional neural network-based methods show a limited capacity for effective spatial and temporal modeling for video…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Mingdeng Cao , Yanbo Fan , Yong Zhang , Jue Wang , Yujiu Yang

Exposure correction aims to enhance visual data suffering from improper exposures, which can greatly improve satisfactory visual effects. However, previous methods mainly focus on the image modality, and the video counterpart is less…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Jin Liu , Bo Wang , Chuanming Wang , Huiyuan Fu , Huadong Ma

The increasing demand for augmented reality and robotics is driving the need for articulated object reconstruction with high scalability. However, existing settings for reconstructing from discrete articulation states or casual monocular…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Hang Dai , Hongwei Fan , Han Zhang , Duojin Wu , Jiyao Zhang , Hao Dong

Novel view synthesis of dynamic scenes is becoming important in various applications, including augmented and virtual reality. We propose a novel 4D Gaussian Splatting (4DGS) algorithm for dynamic scenes from casually recorded monocular…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Mijeong Kim , Jongwoo Lim , Bohyung Han

DUSt3R-based end-to-end scene reconstruction has recently shown promising results in dense visual SLAM. However, most existing methods only use image pairs to estimate pointmaps, overlooking spatial memory and global consistency.To this…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Guole Shen , Tianchen Deng , Yanbo Wang , Yongtao Chen , Yilin Shen , Jiuming Liu , Jingchuan Wang

Differentiable rendering techniques have recently shown promising results for free-viewpoint video synthesis of characters. However, such methods, either Gaussian Splatting or neural implicit rendering, typically necessitate per-subject…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Boyao Zhou , Shunyuan Zheng , Hanzhang Tu , Ruizhi Shao , Boning Liu , Shengping Zhang , Liqiang Nie , Yebin Liu

3D Gaussian Splatting has exhibited remarkable capabilities in 3D scene reconstruction. However, reconstructing high-quality 3D scenes from motion-blurred images caused by camera motion poses a significant challenge.The performance of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 An Zhao , Piaopiao Yu , Zhe Zhu , Mingqiang Wei

Recent advancements in zero-shot video diffusion models have shown promise for text-driven video editing, but challenges remain in achieving high temporal consistency. To address this, we introduce Video-3DGS, a 3D Gaussian Splatting…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Inkyu Shin , Qihang Yu , Xiaohui Shen , In So Kweon , Kuk-Jin Yoon , Liang-Chieh Chen

We tackle the problem of person re-identification in video setting in this paper, which has been viewed as a crucial task in many applications. Meanwhile, it is very challenging since the task requires learning effective representations…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Xinxing Su , Yingtian Zou , Yu Cheng , Shuangjie Xu , Mo Yu , Pan Zhou

In this paper, we consider the problem of unsupervised video object segmentation via background subtraction. Specifically, we pose the nonsemantic extraction of a video's moving objects as a nonconvex optimization problem via a sum of…

Machine Learning · Computer Science 2020-02-25 Brendon G. Anderson , Somayeh Sojoudi