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Related papers: Super-Resolution of Wavelet-Encoded Images

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Single-image super-resolution (SISR) is a canonical problem with diverse applications. Leading methods like SRGAN produce images that contain various artifacts, such as high-frequency noise, hallucinated colours and shape distortions, which…

Machine Learning · Computer Science 2018-10-03 Ke Li , Shichong Peng , Jitendra Malik

In this paper we aim to tackle the problem of reconstructing a high-resolution image from a single low-resolution input image, known as single image super-resolution. In the literature, sparse representation has been used to address this…

Computer Vision and Pattern Recognition · Computer Science 2016-03-23 Mohammad Rostami , Zhou Wang

For collecting high-quality high-resolution (HR) MR image, we propose a novel image reconstruction network named IREM, which is trained on multiple low-resolution (LR) MR images and achieve an arbitrary up-sampling rate for HR image…

Image and Video Processing · Electrical Eng. & Systems 2021-06-30 Qing Wu , Yuwei Li , Lan Xu , Ruiming Feng , Hongjiang Wei , Qing Yang , Boliang Yu , Xiaozhao Liu , Jingyi Yu , Yuyao Zhang

Several methods have recently been proposed for the Single Image Super-Resolution (SISR) problem. The current methods assume that a single low-resolution image can only yield a single high-resolution image. In addition, all of these methods…

Image and Video Processing · Electrical Eng. & Systems 2020-07-02 Vasileios Lioutas

While burst LR images are useful for improving the SR image quality compared with a single LR image, prior SR networks accepting the burst LR images are trained in a deterministic manner, which is known to produce a blurry SR image. In…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Kyotaro Tokoro , Kazutoshi Akita , Norimichi Ukita

Deep Convolution Neural Networks (CNN) have achieved significant performance on single image super-resolution (SR) recently. However, existing CNN-based methods use artificially synthetic low-resolution (LR) and high-resolution (HR) image…

Computer Vision and Pattern Recognition · Computer Science 2018-12-14 Tianyu Zhao , Wenqi Ren , Changqing Zhang , Dongwei Ren , Qinghua Hu

Most image super-resolution (SR) methods are developed on synthetic low-resolution (LR) and high-resolution (HR) image pairs that are constructed by a predetermined operation, e.g., bicubic downsampling. As existing methods typically learn…

Image and Video Processing · Electrical Eng. & Systems 2021-09-09 Sanghyun Son , Jaeha Kim , Wei-Sheng Lai , Ming-Husan Yang , Kyoung Mu Lee

The recent advances in deep learning indicate significant progress in the field of single image super-resolution. With the advent of these techniques, high-resolution image with high peak signal to noise ratio (PSNR) and excellent…

Image and Video Processing · Electrical Eng. & Systems 2020-04-09 Meenu Ajith , Aswathy Rajendra Kurup , Manel Martínez-Ramón

Most single image super-resolution (SR) methods are developed on synthetic low-resolution (LR) and high-resolution (HR) image pairs, which are simulated by a predetermined degradation operation, e.g., bicubic downsampling. However, these…

Image and Video Processing · Electrical Eng. & Systems 2021-10-22 Rui Ma , Johnathan Czernik , Xian Du

Super-resolution (SR) has garnered significant attention within the computer vision community, driven by advances in deep learning (DL) techniques and the growing demand for high-quality visual applications. With the expansion of this…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Le Zhang , Ao Li , Qibin Hou , Ce Zhu , Yonina C. Eldar

High resolution images can be acquired using a non-regular sampling sensor which consists of an underlying low resolution sensor that is covered with a non-regular sampling mask. The reconstructed high resolution image is then obtained…

Image and Video Processing · Electrical Eng. & Systems 2022-04-08 Markus Jonscher , Karina Jaskolka , Jürgen Seiler , André Kaup

Recently, machine learning based single image super resolution (SR) approaches focus on jointly learning representations for high-resolution (HR) and low-resolution (LR) image patch pairs to improve the quality of the super-resolved images.…

Computer Vision and Pattern Recognition · Computer Science 2016-07-26 Yukai Shi , Keze Wang , Li Xu , Liang Lin

High-resolution digital images are usually downscaled to fit various display screens or save the cost of storage and bandwidth, meanwhile the post-upscaling is adpoted to recover the original resolutions or the details in the zoom-in…

Image and Video Processing · Electrical Eng. & Systems 2020-05-13 Mingqing Xiao , Shuxin Zheng , Chang Liu , Yaolong Wang , Di He , Guolin Ke , Jiang Bian , Zhouchen Lin , Tie-Yan Liu

We consider the problem of reconstructing an image from compressive measurements using a multi-resolution grid. In this context, the reconstructed image is divided into multiple regions, each one with a different resolution. This problem…

Computer Vision and Pattern Recognition · Computer Science 2016-02-19 Adriana Gonzalez , Hong Jiang , Gang Huang , Laurent Jacques

Image Super-Resolution (ISR), which aims at recovering High-Resolution (HR) images from the corresponding Low-Resolution (LR) counterparts. Although recent progress in ISR has been remarkable. However, they are way too computationally…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Jie Cai , Zibo Meng , Jiaming Ding , Chiu Man Ho

As a method of image restoration, image super-resolution has been extensively studied at first. How to transform a low-resolution image to restore its high-resolution image information is a problem that researchers have been exploring. In…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Mingming Xiu , Yang Nie , Qing Song , Chun Liu

Super-resolution (SR) is the technique of increasing the nominal resolution of image / video content accompanied with quality improvement. Video super-resolution (VSR) can be considered as the generalization of single image super-resolution…

Image and Video Processing · Electrical Eng. & Systems 2023-10-18 MohammadHossein Ashoori , Arash Amini

Generative deep learning has sparked a new wave of Super-Resolution (SR) algorithms that enhance single images with impressive aesthetic results, albeit with imaginary details. Multi-frame Super-Resolution (MFSR) offers a more grounded…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Michel Deudon , Alfredo Kalaitzis , Israel Goytom , Md Rifat Arefin , Zhichao Lin , Kris Sankaran , Vincent Michalski , Samira E. Kahou , Julien Cornebise , Yoshua Bengio

High-spatial-resolution hyperspectral images (HSI) are essential for applications such as remote sensing and medical imaging, yet HSI sensors inherently trade spatial detail for spectral richness. Fusing high-spatial-resolution…

Image and Video Processing · Electrical Eng. & Systems 2026-05-22 Ritik Shah , Marco F. Duarte

In this work, we consider the image super-resolution (SR) problem. The main challenge of image SR is to recover high-frequency details of a low-resolution (LR) image that are important for human perception. To address this essentially…

Computer Vision and Pattern Recognition · Computer Science 2017-11-22 Wenhan Yang , Jiashi Feng , Jianchao Yang , Fang Zhao , Jiaying Liu , Zongming Guo , Shuicheng Yan