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Video Super-Resolution (VSR) aims to restore high-resolution (HR) videos from low-resolution (LR) videos. Existing VSR techniques usually recover HR frames by extracting pertinent textures from nearby frames with known degradation…

Image and Video Processing · Electrical Eng. & Systems 2023-01-02 Zhongwei Qiu , Huan Yang , Jianlong Fu , Daochang Liu , Chang Xu , Dongmei Fu

With the recent advancement in deep learning, we have witnessed a great progress in single image super-resolution. However, due to the significant information loss of the image downscaling process, it has become extremely challenging to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-11 Zhifei Zhang , Zhaowen Wang , Zhe Lin , Hairong Qi

Spatial and temporal relationships, both short-range and long-range, between objects in videos, are key cues for recognizing actions. It is a challenging problem to model them jointly. In this paper, we first present a new variant of Long…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Zexi Chen , Bharathkumar Ramachandra , Tianfu Wu , Ranga Raju Vatsavai

With the advent of perceptual loss functions, new possibilities in super-resolution have emerged, and we currently have models that successfully generate near-photorealistic high-resolution images from their low-resolution observations. Up…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Eduardo Pérez-Pellitero , Mehdi S. M. Sajjadi , Michael Hirsch , Bernhard Schölkopf

High-resolution fMRI provides a window into the brain's mesoscale organization. Yet, higher spatial resolution increases scan times, to compensate for the low signal and contrast-to-noise ratio. This work introduces a deep learning-based 3D…

Image and Video Processing · Electrical Eng. & Systems 2024-03-20 Hongwei Bran Li , Matthew S. Rosen , Shahin Nasr , Juan Eugenio Iglesias

Existing works address the problem of generating high frame-rate sharp videos by separately learning the frame deblurring and frame interpolation modules. Most of these approaches have a strong prior assumption that all the input frames are…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Akash Gupta , Abhishek Aich , Amit K. Roy-Chowdhury

Although high resolution isotropic 3D medical images are desired in clinical practice, their acquisition is not always feasible. Instead, lower resolution images are upsampled to higher resolution using conventional interpolation methods.…

Image and Video Processing · Electrical Eng. & Systems 2020-10-27 Jörg Sander , Bob D. de Vos , Ivana Išgum

We propose a novel neural network module that transforms an existing single-frame semantic segmentation model into a video semantic segmentation pipeline. In contrast to prior works, we strive towards a simple, fast, and general module that…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Matthieu Paul , Martin Danelljan , Luc Van Gool , Radu Timofte

In this paper, we propose a new Transformer block for video future frames prediction based on an efficient local spatial-temporal separation attention mechanism. Based on this new Transformer block, a fully autoregressive video future…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Xi Ye , Guillaume-Alexandre Bilodeau

Unsupervised multi-object segmentation has shown impressive results on images by utilizing powerful semantics learned from self-supervised pretraining. An additional modality such as depth or motion is often used to facilitate the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Görkay Aydemir , Weidi Xie , Fatma Güney

To exploit high temporal correlations in video frames of the same scene, the current frame is predicted from the already-encoded reference frames using block-based motion estimation and compensation techniques. While this approach can…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 S. M. A. K. Rajin , M. Murshed , M. Paul , S. W. Teng , J. Ma

Spatial resolution adaptation is a technique which has often been employed in video compression to enhance coding efficiency. This approach encodes a lower resolution version of the input video and reconstructs the original resolution…

Image and Video Processing · Electrical Eng. & Systems 2021-06-16 Di Ma , Mariana Afonso , Fan Zhang , David R. Bull

In this article, we propose a super-resolution method to resolve the problem of image low spatial because of the limitation of imaging devices. We make use of the strong non-linearity mapped ability of the back-propagation neural…

Computer Vision and Pattern Recognition · Computer Science 2016-12-15 Zeling Wu , Haoxiang Wang

When a very fast dynamic event is recorded with a low-framerate camera, the resulting video suffers from severe motion blur (due to exposure time) and motion aliasing (due to low sampling rate in time). True Temporal Super-Resolution (TSR)…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Liad Pollak Zuckerman , Eyal Naor , George Pisha , Shai Bagon , Michal Irani

Learning-based image super-resolution aims to reconstruct high-frequency (HF) details from the prior model trained by a set of high- and low-resolution image patches. In this paper, HF to be estimated is considered as a combination of two…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Jian Zhang , Chen Zhao , Ruiqin Xiong , Siwei Ma , Debin Zhao

In recent years, deep learning has made great progress in many fields such as image recognition, natural language processing, speech recognition and video super-resolution. In this survey, we comprehensively investigate 33 state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Hongying Liu , Zhubo Ruan , Peng Zhao , Chao Dong , Fanhua Shang , Yuanyuan Liu , Linlin Yang , Radu Timofte

Cardiac Magnetic Resonance Imaging (CMR) is widely used since it can illustrate the structure and function of heart in a non-invasive and painless way. However, it is time-consuming and high-cost to acquire the high-quality scans due to the…

Image and Video Processing · Electrical Eng. & Systems 2020-07-09 Jhih-Yuan Lin , Yu-Cheng Chang , Winston H. Hsu

Ultra long video understanding remains an open challenge, as existing vision language models (VLMs) falter on such content due to limited context length and inefficient long term memory retention. To address this, recent works have…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Hongbo Jin , Qingyuan Wang , Wenhao Zhang , Yang Liu , Sijie Cheng

In order to address the issue that medical image would suffer from severe blurring caused by the lack of high-frequency details in the process of image super-resolution reconstruction, a novel medical image super-resolution method based on…

Computer Vision and Pattern Recognition · Computer Science 2019-05-14 Kewen Liu , Yuan Ma , Hongxia Xiong , Zejun Yan , Zhijun Zhou , Panpan Fang , Chaoyang Liu

We proposed a novel architecture for the problem of video super-resolution. We integrate spatial and temporal contexts from continuous video frames using a recurrent encoder-decoder module, that fuses multi-frame information with the more…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Muhammad Haris , Greg Shakhnarovich , Norimichi Ukita