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In this paper, we propose to reformulate the blind image deblurring task to directly learn an inverse of the degradation model represented by a deep linear network. We introduce Deep Identity Learning (DIL), a novel learning strategy that…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Vamsidhar Saraswathula , Rama Krishna Gorthi

Image superresolution involves the processing of an image sequence to generate a still image with higher resolution. Classical approaches, such as bayesian MAP methods, require iterative minimization procedures, with high computational…

Computer Vision and Pattern Recognition · Computer Science 2016-08-31 Carlos Miravet , Francisco B. Rodriguez

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

Object detection in remote sensing, especially in aerial images, remains a challenging problem due to low image resolution, complex backgrounds, and variation of scale and angles of objects in images. In current implementations, multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2018-10-19 Peng Sun , Guang Chen , Guerdan Luke , Yi Shang

Single image super-resolution (SR) via deep learning has recently gained significant attention in the literature. Convolutional neural networks (CNNs) are typically learned to represent the mapping between low-resolution (LR) and…

Computer Vision and Pattern Recognition · Computer Science 2018-02-09 Hojjat S. Mousavi , Tiantong Guo , Vishal Monga

Recent years have witnessed the unprecedented success of deep convolutional neural networks (CNNs) in single image super-resolution (SISR). However, existing CNN-based SISR methods mostly assume that a low-resolution (LR) image is bicubicly…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Kai Zhang , Wangmeng Zuo , Lei Zhang

Convolutional Neural Networks (CNNs) have significantly advanced Image Super-Resolution (SR), yet most CNN-based methods rely solely on pixel-based transformations, often leading to artifacts and blurring, particularly under severe…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Bingwen Hu , Heng Liu , Zhedong Zheng , Ping Liu

High-resolution (HR) magnetic resonance imaging is critical in aiding doctors in their diagnoses and image-guided treatments. However, acquiring HR images can be time-consuming and costly. Consequently, deep learning-based super-resolution…

Image and Video Processing · Electrical Eng. & Systems 2024-10-21 Jianan Liu , Hao Li , Tao Huang , Euijoon Ahn , Kang Han , Adeel Razi , Wei Xiang , Jinman Kim , David Dagan Feng

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

Blind image deblurring plays a very important role in many vision and multimedia applications. Most existing works tend to introduce complex priors to estimate the sharp image structures for blur kernel estimation. However, it has been…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Risheng Liu , Yi He , Shichao Cheng , Xin Fan , Zhongxuan Luo

Improving the image resolution and acquisition speed of magnetic resonance imaging (MRI) is a challenging problem. There are mainly two strategies dealing with the speed-resolution trade-off: (1) $k$-space undersampling with high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Wenqi Huang , Sen Jia , Ziwen Ke , Zhuo-Xu Cui , Jing Cheng , Yanjie Zhu , Dong Liang

Dense self-supervised learning (SSL) methods showed its effectiveness in enhancing the fine-grained semantic understandings of vision models. However, existing approaches often rely on parametric assumptions or complex post-processing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Juan Yeo , Ijun Jang , Taesup Kim

The problem of blind image super-resolution aims to recover high-resolution (HR) images from low-resolution (LR) images with unknown degradation modes. Most existing methods model the image degradation process using blur kernels. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Junxiong Lin , Zeng Tao , Xuan Tong , Xinji Mai , Haoran Wang , Boyang Wang , Yan Wang , Qing Zhao , Jiawen Yu , Yuxuan Lin , Shaoqi Yan , Shuyong Gao , Wenqiang Zhang

Capturing images under extremely low-light conditions poses significant challenges for the standard camera pipeline. Images become too dark and too noisy, which makes traditional image enhancement techniques almost impossible to apply. Very…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Ahmet Serdar Karadeniz , Erkut Erdem , Aykut Erdem

By benefiting from perceptual losses, recent studies have improved significantly the performance of the super-resolution task, where a high-resolution image is resolved from its low-resolution counterpart. Although such objective functions…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Mohammad Saeed Rad , Behzad Bozorgtabar , Urs-Viktor Marti , Max Basler , Hazim Kemal Ekenel , Jean-Philippe Thiran

In this paper we propose a vision system that performs image Super Resolution (SR) with selectivity. Conventional SR techniques, either by multi-image fusion or example-based construction, have failed to capitalize on the intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2010-10-28 Ju Sun , Qiang Chen , Shuicheng Yan , Loong-Fah Cheong

Traditional single image super-resolution (SISR) methods that focus on solving single and uniform degradation (i.e., bicubic down-sampling), typically suffer from poor performance when applied into real-world low-resolution (LR) images due…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Xin Li , Xin Jin , Tao Yu , Yingxue Pang , Simeng Sun , Zhizheng Zhang , Zhibo Chen

We propose KOALA++, a scalable Kalman-based optimization algorithm that explicitly models structured gradient uncertainty in neural network training. Unlike second-order methods, which rely on expensive second order gradient calculation,…

Machine Learning · Computer Science 2025-10-27 Zixuan Xia , Aram Davtyan , Paolo Favaro

Blind deconvolution is a challenging problem, but in low-light it is even more difficult. Existing algorithms, both classical and deep-learning based, are not designed for this condition. When the photon shot noise is strong, conventional…

Image and Video Processing · Electrical Eng. & Systems 2022-11-21 Yash Sanghvi , Abhiram Gnanasambandam , Zhiyuan Mao , Stanley H. Chan

In low light or short-exposure photography the image is often corrupted by noise. While longer exposure helps reduce the noise, it can produce blurry results due to the object and camera motion. The reconstruction of a noise-less image is…

Computer Vision and Pattern Recognition · Computer Science 2021-03-12 Talmaj Marinč , Vignesh Srinivasan , Serhan Gül , Cornelius Hellge , Wojciech Samek