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In recent times, the need for effective super-resolution (SR) techniques has surged, especially for large-scale images ranging 2K to 8K resolutions. For DNN-based SISR, decomposing images into overlapping patches is typically necessary due…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Jinho Jeong , Jinwoo Kim , Younghyun Jo , Seon Joo Kim

Super-resolution (SR) is an ill-posed problem, which means that infinitely many high-resolution (HR) images can be degraded to the same low-resolution (LR) image. To study the one-to-many stochastic SR mapping, we implicitly represent the…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Hangqi Zhou , Chao Huang , Shangqi Gao , Xiahai Zhuang

In this work, very deep super-resolution (VDSR) method is presented for improving the spatial resolution of remotely sensed (RS) images for scale factor 4. The VDSR net is re-trained with Sentinel-2 images and with drone aero orthophoto…

图像与视频处理 · 电气工程与系统科学 2020-07-31 Antigoni Panagiotopoulou , Lazaros Grammatikopoulos , Eleni Charou , Emmanuel Bratsolis , Nicholas Madamopoulos , John Petrogonas

We propose a novel attention model that can accurately attends to target objects of various scales and shapes in images. The model is trained to gradually suppress irrelevant regions in an input image via a progressive attentive process…

计算机视觉与模式识别 · 计算机科学 2018-08-08 Paul Hongsuck Seo , Zhe Lin , Scott Cohen , Xiaohui Shen , Bohyung Han

Speech super-resolution (SR) is a task to increase speech sampling rate by generating high-frequency components. Existing speech SR methods are trained in constrained experimental settings, such as a fixed upsampling ratio. These strong…

音频与语音处理 · 电气工程与系统科学 2023-10-10 Haohe Liu , Woosung Choi , Xubo Liu , Qiuqiang Kong , Qiao Tian , DeLiang Wang

Image super-resolution (SR) is a technique to recover lost high-frequency information in low-resolution (LR) images. Spatial-domain information has been widely exploited to implement image SR, so a new trend is to involve frequency-domain…

图像与视频处理 · 电气工程与系统科学 2022-12-09 Jing Fang , Yinbo Yu , Zhongyuan Wang , Xin Ding , Ruimin Hu

Medical image super-resolution (SR) is an active research area that has many potential applications, including reducing scan time, bettering visual understanding, increasing robustness in downstream tasks, etc. However, applying…

图像与视频处理 · 电气工程与系统科学 2022-10-12 Cheng Peng , S. Kevin Zhou , Rama Chellappa

Vector-quantized image modeling has shown great potential in synthesizing high-quality images. However, generating high-resolution images remains a challenging task due to the quadratic computational overhead of the self-attention process.…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Shiyue Cao , Yueqin Yin , Lianghua Huang , Yu Liu , Xin Zhao , Deli Zhao , Kaiqi Huang

Although the lightweight Vision Transformer has significantly advanced image super-resolution (SR), it faces the inherent challenge of a limited receptive field due to the window-based self-attention modeling. The quadratic computational…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Wenyang Liu , Chen Cai , Jianjun Gao , Kejun Wu , Yi Wang , Kim-Hui Yap , Lap-Pui Chau

In a decade, the adaptive quality control of video streaming and the super-resolution (SR) technique have been deeply explored. As edge devices improved to have exceptional processing capability than ever before, streaming users can enhance…

多媒体 · 计算机科学 2021-10-13 Minseok Choi , Won Joon Yun , Joongheon Kim

Video super-resolution (VSR) technology excels in reconstructing low-quality video, avoiding unpleasant blur effect caused by interpolation-based algorithms. However, vast computation complexity and memory occupation hampers the edge of…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Yanpeng Cao , Chengcheng Wang , Changjun Song , Yongming Tang , He Li

Spectral super-resolution (SSR) aims at generating a hyperspectral image (HSI) from a given RGB image. Recently, a promising direction for SSR is to learn a complicated mapping function from the RGB image to the HSI counterpart using a deep…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Lei Zhang , Zhiqiang Lang , Peng Wang , Wei Wei , Shengcai Liao , Ling Shao , Yanning Zhang

Arbitrary-scale video super-resolution (AVSR) aims to enhance the resolution of video frames, potentially at various scaling factors, which presents several challenges regarding spatial detail reproduction, temporal consistency, and…

计算机视觉与模式识别 · 计算机科学 2025-11-07 Wei Shang , Wanying Zhang , Shuhang Gu , Pengfei Zhu , Qinghua Hu , Dongwei Ren

Video super-resolution (VSR) is a critical task for enhancing low-bitrate and low-resolution videos, particularly in streaming applications. While numerous solutions have been developed, they often suffer from high computational demands,…

图像与视频处理 · 电气工程与系统科学 2024-09-27 Marcos V Conde , Zhijun Lei , Wen Li , Christos Bampis , Ioannis Katsavounidis , Radu Timofte

Deep neural networks have achieved remarkable success in single image super-resolution (SISR). The computing and memory requirements of these methods have hindered their application to broad classes of real devices with limited computing…

计算机视觉与模式识别 · 计算机科学 2018-06-06 Lei Zhang , Peng Wang , Chunhua Shen , Lingqiao Liu , Wei Wei , Yanning Zhang , Anton van den Hengel

Video super-resolution (VSR) methods have recently achieved a remarkable success due to the development of deep convolutional neural networks (CNN). Current state-of-the-art CNN methods usually treat the VSR problem as a large number of…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Jingwei Xin , Nannan Wang , Jie Li , Xinbo Gao , Zhifeng Li

In the current salient object detection network, the most popular method is using U-shape structure. However, the massive number of parameters leads to more consumption of computing and storage resources which are not feasible to deploy on…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Bin Zhang , Yang Wu , Xiaojing Zhang , Ming Ma

The Space-Time Video Super-Resolution (STVSR) task aims to enhance the visual quality of videos, by simultaneously performing video frame interpolation (VFI) and video super-resolution (VSR). However, facing the challenge of the additional…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Zhewei Huang , Ailin Huang , Xiaotao Hu , Chen Hu , Jun Xu , Shuchang Zhou

This paper studies the problem of real-world video super-resolution (VSR) for animation videos, and reveals three key improvements for practical animation VSR. First, recent real-world super-resolution approaches typically rely on…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Yanze Wu , Xintao Wang , Gen Li , Ying Shan

Deep convolutional networks have attracted great attention in image restoration and enhancement. Generally, restoration quality has been improved by building more and more convolutional block. However, these methods mostly learn a specific…

计算机视觉与模式识别 · 计算机科学 2021-05-21 Yukai Shi , Jinghui Qin