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Recently, many convolutional neural networks for single image super-resolution (SISR) have been proposed, which focus on reconstructing the high-resolution images in terms of objective distortion measures. However, the networks trained with…

Image and Video Processing · Electrical Eng. & Systems 2019-11-12 Jae Woong Soh , Gu Yong Park , Junho Jo , Nam Ik Cho

Recently, deep learning based single image super-resolution(SR) approaches have achieved great development. The state-of-the-art SR methods usually adopt a feed-forward pipeline to establish a non-linear mapping between low-res(LR) and…

Computer Vision and Pattern Recognition · Computer Science 2019-05-02 Jinghui Qin , Ziwei Xie , Yukai Shi , Wushao Wen

Among the major remaining challenges for single image super resolution (SISR) is the capacity to recover coherent images with global shapes and local details conforming to human vision system. Recent generative adversarial network (GAN)…

Image and Video Processing · Electrical Eng. & Systems 2021-01-26 Yuanzhuo Li , Yunan Zheng , Jie Chen , Zhenyu Xu , Yiguang Liu

Single image super-resolution (SISR), as a traditional ill-conditioned inverse problem, has been greatly revitalized by the recent development of convolutional neural networks (CNN). These CNN-based methods generally map a low-resolution…

Image and Video Processing · Electrical Eng. & Systems 2024-10-30 Yuqing Liu , Shiqi Wang , Jian Zhang , Shanshe Wang , Siwei Ma , Wen Gao

Single image super-resolution (SISR), which aims to reconstruct a high-resolution (HR) image from a low-resolution (LR) observation, has been an active research topic in the area of image processing in recent decades. Particularly, deep…

Image and Video Processing · Electrical Eng. & Systems 2021-03-04 Honggang Chen , Xiaohai He , Linbo Qing , Yuanyuan Wu , Chao Ren , Ce Zhu

The deep learning technique was used to increase the performance of single image super-resolution (SISR). However, most existing CNN-based SISR approaches primarily focus on establishing deeper or larger networks to extract more significant…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Huipeng Zheng , Lukman Hakim , Takio Kurita , Junichi Miyao

Super-resolution reconstruction techniques entail the utilization of software algorithms to transform one or more sets of low-resolution images captured from the same scene into high-resolution images. In recent years, considerable…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Hao Yan , Zixiang Wang , Zhengjia Xu , Zhuoyue Wang , Zhizhong Wu , Ranran Lyu

Image super-resolution (SR) is one of the vital image processing methods that improve the resolution of an image in the field of computer vision. In the last two decades, significant progress has been made in the field of super-resolution,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Syed Muhammad Arsalan Bashir , Yi Wang , Mahrukh Khan , Yilong Niu

Super-resolution reconstruction (SRR) is a process aimed at enhancing spatial resolution of images, either from a single observation, based on the learned relation between low and high resolution, or from multiple images presenting the same…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Michal Kawulok , Pawel Benecki , Szymon Piechaczek , Krzysztof Hrynczenko , Daniel Kostrzewa , Jakub Nalepa

Given an image, we wish to produce an image of larger size with significantly more pixels and higher image quality. This is generally known as the Single Image Super-Resolution (SISR) problem. The idea is that with sufficient training data…

Computer Vision and Pattern Recognition · Computer Science 2016-10-06 Yaniv Romano , John Isidoro , Peyman Milanfar

A light-weight super-resolution (LSR) method from a single image targeting mobile applications is proposed in this work. LSR predicts the residual image between the interpolated low-resolution (ILR) and high-resolution (HR) images using a…

Image and Video Processing · Electrical Eng. & Systems 2023-02-28 Wei Wang , Xuejing Lei , Yueru Chen , Ming-Sui Lee , C. -C. Jay Kuo

The recent increase in the extensive use of digital imaging technologies has brought with it a simultaneous demand for higher-resolution images. We develop a novel edge-informed approach to single image super-resolution (SISR). The SISR…

Image and Video Processing · Electrical Eng. & Systems 2019-09-13 Kamyar Nazeri , Harrish Thasarathan , Mehran Ebrahimi

A common issue of deep neural networks-based methods for the problem of Single Image Super-Resolution (SISR), is the recovery of finer texture details when super-resolving at large upscaling factors. This issue is particularly related to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Mohamed El Amine Seddik , Mohamed Tamaazousti , John Lin

We present a highly accurate single-image super-resolution (SR) method. Our method uses a very deep convolutional network inspired by VGG-net used for ImageNet classification \cite{simonyan2015very}. We find increasing our network depth…

Computer Vision and Pattern Recognition · Computer Science 2016-11-14 Jiwon Kim , Jung Kwon Lee , Kyoung Mu Lee

Single image super resolution (SISR) is an ill-posed problem aiming at estimating a plausible high resolution (HR) image from a single low resolution (LR) image. Current state-of-the-art SISR methods are patch-based. They use either…

Computer Vision and Pattern Recognition · Computer Science 2017-12-13 Cristóvão Cruz , Rakesh Mehta , Vladimir Katkovnik , Karen Egiazarian

Learning-based single image super-resolution (SISR) methods are continuously showing superior effectiveness and efficiency over traditional model-based methods, largely due to the end-to-end training. However, different from model-based…

Image and Video Processing · Electrical Eng. & Systems 2020-03-24 Kai Zhang , Luc Van Gool , Radu Timofte

Single Image Super-Resolution (SISR) task refers to learn a mapping from low-resolution images to the corresponding high-resolution ones. This task is known to be extremely difficult since it is an ill-posed problem. Recently, Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2020-01-29 Seyed Mehdi Ayyoubzadeh , Xiaolin Wu

Super-resolution (SR) has traditionally been based on pairs of high-resolution images (HR) and their low-resolution (LR) counterparts obtained artificially with bicubic downsampling. However, in real-world SR, there is a large variety of…

Image and Video Processing · Electrical Eng. & Systems 2020-11-06 Mohammad Saeed Rad , Thomas Yu , Claudiu Musat , Hazim Kemal Ekenel , Behzad Bozorgtabar , Jean-Philippe Thiran

Efficient and effective real-world image super-resolution (Real-ISR) is a challenging task due to the unknown complex degradation of real-world images and the limited computation resources in practical applications. Recent research on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Jie Liang , Hui Zeng , Lei Zhang

Single image super-resolution (SISR) deals with a fundamental problem of upsampling a low-resolution (LR) image to its high-resolution (HR) version. Last few years have witnessed impressive progress propelled by deep learning methods.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Wenbo Li , Kun Zhou , Lu Qi , Nianjuan Jiang , Jiangbo Lu , Jiaya Jia