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Related papers: TextOVSR: Text-Guided Real-World Opera Video Super…

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Spatially varying image deblurring remains a fundamentally ill-posed problem, especially when degradations arise from complex mixtures of motion and other forms of blur under significant noise. State-of-the-art learning-based approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Hakki Motorcu , Mujdat Cetin

Partially Relevant Video Retrieval (PRVR) aims to retrieve untrimmed videos based on text queries that describe only partial events. Existing methods suffer from incomplete global contextual perception, struggling with query ambiguity and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Jun Li , Xuhang Lou , Jinpeng Wang , Yuting Wang , Yaowei Wang , Shu-Tao Xia , Bin Chen

The goal of text-to-video retrieval is to search large databases for relevant videos based on text queries. Existing methods have progressed to handling explicit queries where the visual content of interest is described explicitly; however,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Yiqing Shen , Chenxiao Fan , Chenjia Li , Mathias Unberath

Scene text image super-resolution (STISR) is an important pre-processing technique for text recognition from low-resolution scene images. Nowadays, various methods have been proposed to extract text-specific information from high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Minyi Zhao , Yi Xu , Bingjia Li , Jie Wang , Jihong Guan , Shuigeng Zhou

Accurately understanding complex visual information is crucial for visual language models (VLMs). Enhancing image resolution can improve visual perception capabilities, not only reducing hallucinations but also boosting performance in tasks…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Zihang Li , Haowen Hou

Remote Sensing Image Super-Resolution (RSISR) reconstructs high-resolution (HR) remote sensing images from low-resolution inputs to support fine-grained ground object interpretation. Existing methods face three key challenges: (1)…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Yide Liu , Haijiang Sun , Xiaowen Zhang , Qiaoyuan Liu , Zhouchang Chen , Chongzhuo Xiao

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

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

The exploitation of long-term information has been a long-standing problem in video restoration. The recent BasicVSR and BasicVSR++ have shown remarkable performance in video super-resolution through long-term propagation and effective…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Kelvin C. K. Chan , Shangchen Zhou , Xiangyu Xu , Chen Change Loy

In real-world single image super-resolution (SISR) task, the low-resolution image suffers more complicated degradations, not only downsampled by unknown kernels. However, existing SISR methods are generally studied with the synthetic…

Image and Video Processing · Electrical Eng. & Systems 2020-09-15 Guanghao Yin , Shouqian Sun , Chao Li , Xin Min

Accurate medical image analysis can greatly assist clinical diagnosis, but its effectiveness relies on high-quality expert annotations Obtaining pixel-level labels for medical images, particularly fundus images, remains costly and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Xi Luo , Shixin Xu , Ying Xie , JianZhong Hu , Yuwei He , Yuhui Deng , Huaxiong Huang

Text-to-3D generation approaches have advanced significantly by leveraging pretrained 2D diffusion priors, producing high-quality and 3D-consistent outputs. However, they often fail to produce out-of-domain (OOD) or rare concepts, yielding…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Yosef Dayani , Omer Benishu , Sagie Benaim

A novel scene text recognizer based on Vision-Language Transformer (VLT) is presented. Inspired by Levenshtein Transformer in the area of NLP, the proposed method (named Levenshtein OCR, and LevOCR for short) explores an alternative way for…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Cheng Da , Peng Wang , Cong Yao

tmospheric turbulence presents a significant challenge in long-range imaging. Current restoration algorithms often struggle with temporal inconsistency, as well as limited generalization ability across varying turbulence levels and scene…

Image and Video Processing · Electrical Eng. & Systems 2023-12-11 Haoming Cai , Jingxi Chen , Brandon Y. Feng , Weiyun Jiang , Mingyang Xie , Kevin Zhang , Ashok Veeraraghavan , Christopher Metzler

To the best of our knowledge, the existing deep-learning-based Video Super-Resolution (VSR) methods exclusively make use of videos produced by the Image Signal Processor (ISP) of the camera system as inputs. Such methods are 1) inherently…

Image and Video Processing · Electrical Eng. & Systems 2021-02-24 Xiaohong Liu , Kangdi Shi , Zhe Wang , Jun Chen

As a fundamental challenge in visual computing, video super-resolution (VSR) focuses on reconstructing highdefinition video sequences from their degraded lowresolution counterparts. While deep convolutional neural networks have demonstrated…

Image and Video Processing · Electrical Eng. & Systems 2025-04-23 Biao Wu , Diankai Zhang , Shaoli Liu , Si Gao , Chengjian Zheng , Ning Wang

In this paper, we consider the task of space-time video super-resolution (ST-VSR), namely, expanding a given source video to a higher frame rate and resolution simultaneously. However, most existing schemes either consider a fixed…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Yuantong Zhang , Daiqin Yang , Zhenzhong Chen , Wenpeng Ding

The ultimate goal for foundation models is realizing task-agnostic, i.e., supporting out-of-the-box usage without task-specific fine-tuning. Although breakthroughs have been made in natural language processing and image representation…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Ziyun Zeng , Yixiao Ge , Zhan Tong , Xihui Liu , Shu-Tao Xia , Ying Shan

The practical deployment of Audio-Visual Speech Recognition (AVSR) systems is fundamentally challenged by significant performance degradation in real-world environments, characterized by unpredictable acoustic noise and visual interference.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-17 Sungnyun Kim

Camera-captured document images often suffer from geometric distortions caused by paper deformation, perspective distortion, and lens aberrations, significantly reducing OCR accuracy. This study develops an efficient automated method for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Valery Istomin , Oleg Pereziabov , Ilya Afanasyev
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