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Despite that convolution neural networks (CNN) have recently demonstrated high-quality reconstruction for video super-resolution (VSR), efficiently training competitive VSR models remains a challenging problem. It usually takes an order of…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Lijian Lin , Xintao Wang , Zhongang Qi , Ying Shan

Recently, latent diffusion models has demonstrated promising performance in real-world video super-resolution (VSR) task, which can reconstruct high-quality videos from distorted low-resolution input through multiple diffusion steps.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Hanting Li , Huaao Tang , Jianhong Han , Tianxiong Zhou , Jiulong Cui , Haizhen Xie , Yan Chen , Jie Hu

Compressed video super-resolution (SR) aims to generate high-resolution (HR) videos from the corresponding low-resolution (LR) compressed videos. Recently, some compressed video SR methods attempt to exploit the spatio-temporal information…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Qiang Zhu , Fan Zhang , Feiyu Chen , Shuyuan Zhu , David Bull , Bing Zeng

Super-resolution (SR) is a useful technology to generate a high-resolution (HR) visual output from the low-resolution (LR) visual inputs overcoming the physical limitations of the cameras. However, SR has not been applied to enhance the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-19 Hongmin Li , Guoqi Li , Hanchao Liu , Luping Shi

Smartphones with multi-camera systems, featuring cameras with varying field-of-views (FoVs), are increasingly common. This variation in FoVs results in content differences across videos, paving the way for an innovative approach to video…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Han Zou , Masanori Suganuma , Takayuki Okatani

Continuous space-time video super-resolution (C-STVSR) aims to simultaneously enhance video resolution and frame rate at an arbitrary scale. Recently, implicit neural representation (INR) has been applied to video restoration, representing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Yunfan Lu , Yusheng Wang , Zipeng Wang , Pengteng Li , Bin Yang , Hui Xiong

We propose the first reference-based video super-resolution (RefVSR) approach that utilizes reference videos for high-fidelity results. We focus on RefVSR in a triple-camera setting, where we aim at super-resolving a low-resolution…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Junyong Lee , Myeonghee Lee , Sunghyun Cho , Seungyong Lee

Real-world low-resolution (LR) videos have diverse and complex degradations, imposing great challenges on video super-resolution (VSR) algorithms to reproduce their high-resolution (HR) counterparts with high quality. Recently, the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Xi Yang , Chenhang He , Jianqi Ma , Lei Zhang

Spatial reasoning has emerged as a critical capability for Multimodal Large Language Models (MLLMs), drawing increasing attention and rapid advancement. However, existing benchmarks primarily focus on single-step perception-to-judgment…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Rui Zhu , Xin Shen , Shuchen Wu , Chenxi Miao , Xin Yu , Yang Li , Weikang Li , Deguo Xia , Jizhou Huang

Single-image super-resolution (SR) and multi-frame SR are two ways to super resolve low-resolution images. Single-Image SR generally handles each image independently, but ignores the temporal information implied in continuing frames.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Wenjia Niu , Kaihao Zhang , Wenhan Luo , Yiran Zhong

This paper explores an efficient solution for Space-time Super-Resolution, aiming to generate High-resolution Slow-motion videos from Low Resolution and Low Frame rate videos. A simplistic solution is the sequential running of Video Super…

Image and Video Processing · Electrical Eng. & Systems 2021-06-09 Saikat Dutta , Nisarg A. Shah , Anurag Mittal

Video super-resolution (SR) aims at generating a sequence of high-resolution (HR) frames with plausible and temporally consistent details from their low-resolution (LR) counterparts. The key challenge for video SR lies in the effective…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Longguang Wang , Yulan Guo , Li Liu , Zaiping Lin , Xinpu Deng , Wei An

Video colorization is a challenging and highly ill-posed problem. Although recent years have witnessed remarkable progress in single image colorization, there is relatively less research effort on video colorization and existing methods…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Yihao Liu , Hengyuan Zhao , Kelvin C. K. Chan , Xintao Wang , Chen Change Loy , Yu Qiao , Chao Dong

Online video super-resolution (online-VSR) highly relies on an effective alignment module to aggregate temporal information, while the strict latency requirement makes accurate and efficient alignment very challenging. Though much progress…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Zhengqiang Zhang , Ruihuang Li , Shi Guo , Yang Cao , Lei Zhang

It is a challenging problem to reproduce rich spatial details while maintaining temporal consistency in real-world video super-resolution (Real-VSR), especially when we leverage pre-trained generative models such as stable diffusion (SD)…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Yujing Sun , Lingchen Sun , Shuaizheng Liu , Rongyuan Wu , Zhengqiang Zhang , Lei Zhang

In this paper we introduce ViSiL, a Video Similarity Learning architecture that considers fine-grained Spatio-Temporal relations between pairs of videos -- such relations are typically lost in previous video retrieval approaches that embed…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Giorgos Kordopatis-Zilos , Symeon Papadopoulos , Ioannis Patras , Ioannis Kompatsiaris

In this paper, we present a spatio-temporal tendency reasoning (STR) network for recovering human body pose and shape from videos. Previous approaches have focused on how to extend 3D human datasets and temporal-based learning to promote…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Boyang Zhang , SuPing Wu , Hu Cao , Kehua Ma , Pan Li , Lei Lin

Diffusion-based models have shown strong performance in video super-resolution (VSR) and video frame interpolation (VFI). However, their role in the coupled space-time video super-resolution (STVSR) setting remains limited. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Zheng Chen , Ruofan Yang , Jin Han , Dehua Song , Zichen Zou , Chunming He , Yong Guo , Yulun Zhang

Video restoration (VR) aims to recover high-quality videos from degraded ones. Although recent zero-shot VR methods using pre-trained diffusion models (DMs) show good promise, they suffer from approximation errors during reverse diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Hengkang Wang , Yang Liu , Huidong Liu , Chien-Chih Wang , Yanhui Guo , Hongdong Li , Bryan Wang , Ju Sun

We present a self-supervised Contrastive Video Representation Learning (CVRL) method to learn spatiotemporal visual representations from unlabeled videos. Our representations are learned using a contrastive loss, where two augmented clips…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Rui Qian , Tianjian Meng , Boqing Gong , Ming-Hsuan Yang , Huisheng Wang , Serge Belongie , Yin Cui