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Video super-resolution (VSR) aims to estimate a high-resolution (HR) frame from a low-resolution (LR) frames. The key challenge for VSR lies in the effective exploitation of spatial correlation in an intra-frame and temporal dependency…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Young-Ju Choi , Young-Woon Lee , Byung-Gyu Kim

Existing diffusion-based video super-resolution (VSR) methods are susceptible to introducing complex degradations and noticeable artifacts into high-resolution videos due to their inherent randomness. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Shijun Shi , Jing Xu , Lijing Lu , Zhihang Li , Kai Hu

This paper addresses the video rescaling task, which arises from the needs of adapting the video spatial resolution to suit individual viewing devices. We aim to jointly optimize video downscaling and upscaling as a combined task. Most…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Yan-Cheng Huang , Yi-Hsin Chen , Cheng-You Lu , Hui-Po Wang , Wen-Hsiao Peng , Ching-Chun Huang

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

Unsupervised multi-object scene decomposition is a fast-emerging problem in representation learning. Despite significant progress in static scenes, such models are unable to leverage important dynamic cues present in video. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Polina Zablotskaia , Edoardo A. Dominici , Leonid Sigal , Andreas M. Lehrmann

Referring Video Object Segmentation (RVOS) aims to segment target objects in videos based on natural language descriptions. However, fixed keyframe-based approaches that couple a vision language model with a separate propagation module…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Jihwan Hong , Jaeyoung Do

Existing video super-resolution (VSR) methods generally adopt a recurrent propagation network to extract spatio-temporal information from the entire video sequences, exhibiting impressive performance. However, the key components in…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Hao Li , Jiangxin Dong , Jinshan Pan

Video super-resolution (SR) aims to generate a sequence of high-resolution (HR) frames with plausible and temporally consistent details from their low-resolution (LR) counterparts. The generation of accurate correspondence plays a…

Computer Vision and Pattern Recognition · Computer Science 2018-10-26 Longguang Wang , Yulan Guo , Zaiping Lin , Xinpu Deng , Wei An

Video super-resolution remains a major challenge in low-level vision tasks. To date, CNN- and Transformer-based methods have delivered impressive results. However, CNNs are limited by local receptive fields, while Transformers struggle with…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Dinh Phu Tran , Dao Duy Hung , Daeyoung Kim

In content-based video retrieval (CBVR), dealing with large-scale collections, efficiency is as important as accuracy; thus, several video-level feature-based studies have actively been conducted. Nevertheless, owing to the severe…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Won Jo , Geuntaek Lim , Gwangjin Lee , Hyunwoo Kim , Byungsoo Ko , Yukyung Choi

Omnidirectional Videos (or 360{\deg} videos) are widely used in Virtual Reality (VR) to facilitate immersive and interactive viewing experiences. However, the limited spatial resolution in 360{\deg} videos does not allow for each degree of…

Multimedia · Computer Science 2025-06-19 Arbind Agrahari Baniya , Tsz-Kwan Lee , Peter W. Eklund , Sunil Aryal

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

Diffusion models (DMs) have demonstrated remarkable success in real-world image super-resolution (SR), yet their reliance on time-consuming multi-step sampling largely hinders their practical applications. While recent efforts have…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Jiaqi Xu , Wenbo Li , Haoze Sun , Fan Li , Zhixin Wang , Long Peng , Jingjing Ren , Haoran Yang , Xiaowei Hu , Renjing Pei , Pheng-Ann Heng

In this paper, we tackle the task of blurry video super-resolution (BVSR), aiming to generate high-resolution (HR) videos from low-resolution (LR) and blurry inputs. Current BVSR methods often fail to restore sharp details at high…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Dachun Kai , Yueyi Zhang , Jin Wang , Zeyu Xiao , Zhiwei Xiong , Xiaoyan Sun

Existing hologram super-resolution (HSR) methods primarily focus on angle-of-view expansion. Adapting them for volumetric spatial up-sampling introduces severe quadratic depth distortion, degrading 3D focal accuracy. We propose CV-HoloSR, a…

Graphics · Computer Science 2026-04-14 Youchan No , Jaehong Lee , Daejun Choi , Dae Youl Park , Duksu Kim

3D super-resolution aims to reconstruct high-fidelity 3D models from low-resolution (LR) multi-view images. Early studies primarily focused on single-image super-resolution (SISR) models to upsample LR images into high-resolution images.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Hyun-kyu Ko , Dongheok Park , Youngin Park , Byeonghyeon Lee , Juhee Han , Eunbyung Park

In this paper we introduce a Transformer-based approach to video object segmentation (VOS). To address compounding error and scalability issues of prior work, we propose a scalable, end-to-end method for VOS called Sparse Spatiotemporal…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Brendan Duke , Abdalla Ahmed , Christian Wolf , Parham Aarabi , Graham W. Taylor

Video interpolation is an important problem in computer vision, which helps overcome the temporal limitation of camera sensors. Existing video interpolation methods usually assume uniform motion between consecutive frames and use linear…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Xiangyu Xu , Li Siyao , Wenxiu Sun , Qian Yin , Ming-Hsuan Yang

With recent advancements in video backbone architectures, combined with the remarkable achievements of large language models (LLMs), the analysis of long-form videos spanning tens of minutes has become both feasible and increasingly…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Yuxiao Chen , Jue Wang , Zhikang Zhang , Jingru Yi , Xu Zhang , Yang Zou , Zhaowei Cai , Jianbo Yuan , Xinyu Li , Hao Yang , Davide Modolo

3D Gaussian Splatting (3DGS) enables high-quality novel view synthesis, motivating interest in generating higher-resolution renders than those available during training. A natural strategy is to apply super-resolution (SR) to low-resolution…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Pranav Asthana , Alex Hanson , Allen Tu , Tom Goldstein , Matthias Zwicker , Amitabh Varshney