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Deep learning methods, in particular trained Convolutional Neural Networks (CNNs) have recently been shown to produce compelling state-of-the-art results for single image Super-Resolution (SR). Invariably, a CNN is learned to map the low…

计算机视觉与模式识别 · 计算机科学 2018-02-07 Tiantong Guo , Hojjat S. Mousavi , Vishal Monga

Single image super-resolution (SISR) algorithms reconstruct high-resolution (HR) images with their low-resolution (LR) counterparts. It is desirable to develop image quality assessment (IQA) methods that can not only evaluate and compare…

图像与视频处理 · 电气工程与系统科学 2021-05-18 Wei Zhou , Zhou Wang , Zhibo Chen

Deep learning-based image restoration has achieved significant success. However, when addressing real-world degradations, model performance is limited by the quality of groundtruth images in datasets due to practical constraints in data…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Donghun Ryou , Inju Ha , Sanghyeok Chu , Bohyung Han

Existing camouflage object detection (COD) methods typically rely on fully-supervised learning guided by mask annotations. However, obtaining mask annotations is time-consuming and labor-intensive. Compared to fully-supervised methods,…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Jingchen Ni , Quan Zhang , Dan Jiang , Keyu Lv , Ke Zhang , Chun Yuan

Most super-resolution (SR) models struggle with real-world low-resolution (LR) images. This issue arises because the degradation characteristics in the synthetic datasets differ from those in real-world LR images. Since SR models are…

图像与视频处理 · 电气工程与系统科学 2025-03-05 Ru Ito , Supatta Viriyavisuthisakul , Kazuhiko Kawamoto , Hiroshi Kera

Due to the sophisticated imaging process, an identical scene captured by different cameras could exhibit distinct imaging patterns, introducing distinct proficiency among the super-resolution (SR) models trained on images from different…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Xiaoqian Xu , Pengxu Wei , Weikai Chen , Mingzhi Mao , Liang Lin , Guanbin Li

A key challenge of real-world image super-resolution (SR) is to recover the missing details in low-resolution (LR) images with complex unknown degradations (e.g., downsampling, noise and compression). Most previous works restore such…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Chaofeng Chen , Xinyu Shi , Yipeng Qin , Xiaoming Li , Xiaoguang Han , Tao Yang , Shihui Guo

We present a novel approach to reference-based super-resolution (RefSR) with the focus on dual-camera super-resolution (DCSR), which utilizes reference images for high-quality and high-fidelity results. Our proposed method generalizes the…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Tengfei Wang , Jiaxin Xie , Wenxiu Sun , Qiong Yan , Qifeng Chen

Hyperspectral images are crucial for many research works. Spectral super-resolution (SSR) is a method used to obtain high spatial resolution (HR) hyperspectral images from HR multispectral images. Traditional SSR methods include…

图像与视频处理 · 电气工程与系统科学 2020-12-09 Jiang He , Jie Li , Qiangqiang Yuan , Huanfeng Shen , Liangpei Zhang

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…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Jie Liang , Hui Zeng , Lei Zhang

Most conventional supervised super-resolution (SR) algorithms assume that low-resolution (LR) data is obtained by downscaling high-resolution (HR) data with a fixed known kernel, but such an assumption often does not hold in real scenarios.…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Suyoung Lee , Myungsub Choi , Kyoung Mu Lee

We address the problem of exposure correction of dark, blurry and noisy images captured in low-light conditions in the wild. Classical image-denoising filters work well in the frequency space but are constrained by several factors such as…

图像与视频处理 · 电气工程与系统科学 2021-05-24 Ojasvi Yadav , Koustav Ghosal , Sebastian Lutz , Aljosa Smolic

Super-resolution (SR), a classical inverse problem in computer vision, is inherently ill-posed, inducing a distribution of plausible solutions for every input. However, the desired result is not simply the expectation of this distribution,…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Fengjia Zhang , Samrudhdhi B. Rangrej , Tristan Aumentado-Armstrong , Afsaneh Fazly , Alex Levinshtein

Existing diffusion-based super-resolution approaches often exhibit semantic ambiguities due to inaccuracies and incompleteness in their text conditioning, coupled with the inherent tendency for cross-attention to divert towards irrelevant…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Chen Chen , Majid Abdolshah , Violetta Shevchenko , Hongdong Li , Chang Xu , Pulak Purkait

Super-resolution (SR) is an ill-posed inverse problem, where the size of the set of feasible solutions that are consistent with a given low-resolution image is very large. Many algorithms have been proposed to find a "good" solution among…

图像与视频处理 · 电气工程与系统科学 2024-03-01 Cansu Korkmaz , A. Murat Tekalp , Zafer Dogan

In this paper, we present a frequency domain neural network for image super-resolution. The network employs the convolution theorem so as to cast convolutions in the spatial domain as products in the frequency domain. Moreover, the…

计算机视觉与模式识别 · 计算机科学 2017-12-11 Junxuan Li , Shaodi You , Antonio Robles-Kelly

Reference-based Super-Resolution (Ref-SR) has recently emerged as a promising paradigm to enhance a low-resolution (LR) input image or video by introducing an additional high-resolution (HR) reference image. Existing Ref-SR methods mostly…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Yuming Jiang , Kelvin C. K. Chan , Xintao Wang , Chen Change Loy , Ziwei Liu

Advances in image tampering techniques, particularly generative models, pose significant challenges to media verification, digital forensics, and public trust. Existing image forgery detection and localization (IFDL) methods suffer from two…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Zhou Liu , Tonghua Su , Hongshi Zhang , Fuxiang Yang , Donglin Di , Yang Song , Lei Fan

CNN-based generative modelling has evolved to produce synthetic images indistinguishable from real images in the RGB pixel space. Recent works have observed that CNN-generated images share a systematic shortcoming in replicating high…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Keshigeyan Chandrasegaran , Ngoc-Trung Tran , Ngai-Man Cheung

State-of-the-art (SOTA) compressed video super-resolution (CVSR) models face persistent challenges, including prolonged inference time, complex training pipelines, and reliance on auxiliary information. As video frame rates continue to…

图像与视频处理 · 电气工程与系统科学 2025-06-16 Zhaoyang Wang , Jie Li , Wen Lu , Lihuo He , Maoguo Gong , Xinbo Gao