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Existing reference (RF)-based super-resolution (SR) models try to improve perceptual quality in SR under the assumption of the availability of high-resolution RF images paired with low-resolution (LR) inputs at testing. As the RF images…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Mohammad Saeed Rad , Thomas Yu , Behzad Bozorgtabar , Jean-Philippe Thiran

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…

图像与视频处理 · 电气工程与系统科学 2020-03-24 Kai Zhang , Luc Van Gool , Radu Timofte

Hyperspectral Imaging (HSI) is used in a wide range of applications such as remote sensing, yet the transmission of the HS images by communication data links becomes challenging due to the large number of spectral bands that the HS images…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Jon Alvarez Justo , Milica Orlandic

Machine learning (ML) methods offer a wide range of configurable hyperparameters that have a significant influence on their performance. While accuracy is a commonly used performance objective, in many settings, it is not sufficient.…

机器学习 · 计算机科学 2023-09-27 Romain Egele , Tyler Chang , Yixuan Sun , Venkatram Vishwanath , Prasanna Balaprakash

In this paper, we tackle the problem of blind image super-resolution(SR) with a reformulated degradation model and two novel modules. Following the common practices of blind SR, our method proposes to improve both the kernel estimation as…

图像与视频处理 · 电气工程与系统科学 2022-03-28 Ziwei Luo , Haibin Huang , Lei Yu , Youwei Li , Haoqiang Fan , Shuaicheng Liu

While implicit generative models such as GANs have shown impressive results in high quality image reconstruction and manipulation using a combination of various losses, we consider a simpler approach leading to surprisingly strong results.…

计算机视觉与模式识别 · 计算机科学 2018-08-02 Muhammad Waleed Gondal , Bernhard Schölkopf , Michael Hirsch

The single image super-resolution(SISR) algorithms under deep learning currently have two main models, one based on convolutional neural networks and the other based on Transformer. The former uses the stacking of convolutional layers with…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Li Ke , Liu Yukai

The main challenge of single image super resolution (SISR) is the recovery of high frequency details such as tiny textures. However, most of the state-of-the-art methods lack specific modules to identify high frequency areas, causing the…

计算机视觉与模式识别 · 计算机科学 2018-07-19 Yuan Liu , Yuancheng Wang , Nan Li , Xu Cheng , Yifeng Zhang , Yongming Huang , Guojun Lu

Methods based on convolutional neural network (CNN) have demonstrated tremendous improvements on single image super-resolution. However, the previous methods mainly restore images from one single area in the low resolution (LR) input, which…

计算机视觉与模式识别 · 计算机科学 2017-05-16 Xiaoyi Jia , Xiangmin Xu , Bolun Cai , Kailing Guo

Many applications such as forensics, surveillance, satellite imaging, medical imaging, etc., demand High-Resolution (HR) images. However, obtaining an HR image is not always possible due to the limitations of optical sensors and their…

图像与视频处理 · 电气工程与系统科学 2022-11-23 Dhruv Patel , Abhinav Jain , Simran Bawkar , Manav Khorasiya , Kalpesh Prajapati , Kishor Upla , Kiran Raja , Raghavendra Ramachandra , Christoph Busch

Optimisation problems often have multiple conflicting objectives that can be computationally and/or financially expensive. Mono-surrogate Bayesian optimisation (BO) is a popular model-based approach for optimising such black-box functions.…

机器学习 · 计算机科学 2022-08-11 George De Ath , Tinkle Chugh , Alma A. M. Rahat

Hyperspectral images are of crucial importance in order to better understand features of different materials. To reach this goal, they leverage on a high number of spectral bands. However, this interesting characteristic is often paid by a…

图像与视频处理 · 电气工程与系统科学 2020-06-01 Jin-Fan Hu , Ting-Zhu Huang , Liang-Jian Deng , Tai-Xiang Jiang , Gemine Vivone , Jocelyn Chanussot

Besides a 3D mesh, Human Mesh Recovery (HMR) methods usually need to estimate a camera for computing 2D reprojection loss. Previous approaches may encounter the following problem: both the mesh and camera are not correct but the combination…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Yongwei Nie , Changzhen Liu , Chengjiang Long , Qing Zhang , Guiqing Li , Hongmin Cai

Distortion is widely existed in the images captured by popular wide-angle cameras and fisheye cameras. Despite the long history of distortion rectification, accurately estimating the distortion parameters from a single distorted image is…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Kang Liao , Chunyu Lin , Yao Zhao

In the blind single image super-resolution (SISR) task, existing works have been successful in restoring image-level unknown degradations. However, when a single video frame becomes the input, these works usually fail to address…

图像与视频处理 · 电气工程与系统科学 2023-11-27 Boyang Wang , Bowen Liu , Shiyu Liu , Fengyu Yang

Deep neural networks have greatly promoted the performance of single image super-resolution (SISR). Conventional methods still resort to restoring the single high-resolution (HR) solution only based on the input of image modality. However,…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Chenxi Ma , Bo Yan , Qing Lin , Weimin Tan , Siming Chen

In the field of neural data compression, the prevailing focus has been on optimizing algorithms for either classical distortion metrics, such as PSNR or SSIM, or human perceptual quality. With increasing amounts of data consumed by machines…

图像与视频处理 · 电气工程与系统科学 2024-01-17 Dan Jacobellis , Daniel Cummings , Neeraja J. Yadwadkar

Interactive image restoration aims to restore images by adjusting several controlling coefficients, which determine the restoration strength. Existing methods are restricted in learning the controllable functions under the supervision of…

计算机视觉与模式识别 · 计算机科学 2022-07-28 Chong Mou , Yanze Wu , Xintao Wang , Chao Dong , Jian Zhang , Ying Shan

In the Full-Reference Image Quality Assessment context, Mean Opinion Score values represent subjective evaluations based on retinal perception, while objective metrics assess the reproduced image on the display. Bridging these subjective…

图像与视频处理 · 电气工程与系统科学 2025-03-04 Paolo Giannitrapani , Elio D. Di Claudio , Giovanni Jacovitti

Many studies have been conducted so far on image restoration, the problem of restoring a clean image from its distorted version. There are many different types of distortion which affect image quality. Previous studies have focused on…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Masanori Suganuma , Xing Liu , Takayuki Okatani