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This paper proposes crack segmentation augmented by super resolution (SR) with deep neural networks. In the proposed method, a SR network is jointly trained with a binary segmentation network in an end-to-end manner. This joint learning…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Yuki Kondo , Norimichi Ukita

We present a novel, blind, single image deblurring method that utilizes information regarding blur kernels. Our model solves the deblurring problem by dividing it into two successive tasks: (1) blur kernel estimation and (2) sharp image…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Sungkwon An , Hyungmin Roh , Myungjoo Kang

Blind deconvolution problems are severely ill-posed because neither the underlying signal nor the forward operator are not known exactly. Conventionally, these problems are solved by alternating between estimation of the image and kernel…

Image and Video Processing · Electrical Eng. & Systems 2023-12-06 Yash Sanghvi , Yiheng Chi , Stanley H. Chan

Nowadays, deep learning based methods have demonstrated impressive performance on ideal super-resolution (SR) datasets, but most of these methods incur dramatically performance drops when directly applied in real-world SR reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Minghao She , Wendong Mao , Huihong Shi , Zhongfeng Wang

Most of the existing blind image Super-Resolution (SR) methods assume that the blur kernels are space-invariant. However, the blur involved in real applications are usually space-variant due to object motion, out-of-focus, etc., resulting…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Xuhai Chen , Jiangning Zhang , Chao Xu , Yabiao Wang , Chengjie Wang , Yong 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

Previous studies in blind super-resolution (BSR) have primarily concentrated on estimating degradation kernels directly from low-resolution (LR) inputs to enhance super-resolution. However, these degradation kernels, which model the…

Image and Video Processing · Electrical Eng. & Systems 2025-07-21 Huu-Phu Do , Po-Chih Hu , Hao-Chien Hsueh , Che-Kai Liu , Vu-Hoang Tran , Ching-Chun Huang

Implicit degradation modeling-based blind super-resolution (SR) has attracted more increasing attention in the community due to its excellent generalization to complex degradation scenarios and wide application range. How to extract more…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Jiang Yuan , Ji Ma , Bo Wang , Weiming Hu

For data-driven iterative learning control (ILC) methods, both the model estimation and controller design problems are converted to parameter estimation problems for some chosen model structures. It is well-known that if the model order is…

Systems and Control · Electrical Eng. & Systems 2023-03-08 Xian Yu , Xiaozhu Fang , Biqiang Mu , Tianshi Chen

Kernel dimensionality reduction (KDR) algorithms find a low dimensional representation of the original data by optimizing kernel dependency measures that are capable of capturing nonlinear relationships. The standard strategy is to first…

Machine Learning · Statistics 2019-09-26 Chieh Wu , Jared Miller , Yale Chang , Mario Sznaier , Jennifer Dy

Previous approaches for blind image super-resolution (SR) have relied on degradation estimation to restore high-resolution (HR) images from their low-resolution (LR) counterparts. However, accurate degradation estimation poses significant…

Image and Video Processing · Electrical Eng. & Systems 2024-03-13 Haochen Sun , Yan Yuan , Lijuan Su , Haotian Shao

Deep convolution neural networks (CNNs) play a critical role in single image super-resolution (SISR) since the amazing improvement of high performance computing. However, most of the super-resolution (SR) methods only focus on recovering…

Image and Video Processing · Electrical Eng. & Systems 2020-09-29 Dong Huo , Yee-Hong Yang

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,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Fengjia Zhang , Samrudhdhi B. Rangrej , Tristan Aumentado-Armstrong , Afsaneh Fazly , Alex Levinshtein

Although current deep learning-based methods have gained promising performance in the blind single image super-resolution (SISR) task, most of them mainly focus on heuristically constructing diverse network architectures and put less…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Jiahong Fu , Hong Wang , Qi Xie , Qian Zhao , Deyu Meng , Zongben Xu

Single Image Super-Resolution (SISR) is one of the low-level computer vision problems that has received increased attention in the last few years. Current approaches are primarily based on harnessing the power of deep learning models and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Santiago López-Tapia , Nicolás Pérez de la Blanca

Pre-trained diffusion models utilized for image generation encapsulate a substantial reservoir of a priori knowledge pertaining to intricate textures. Harnessing the potential of leveraging this a priori knowledge in the context of image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Junxiong Lin , Yan Wang , Zeng Tao , Boyang Wang , Qing Zhao , Haorang Wang , Xuan Tong , Xinji Mai , Yuxuan Lin , Wei Song , Jiawen Yu , Shaoqi Yan , Wenqiang Zhang

Blind image deblurring is a particularly challenging inverse problem where the blur kernel is unknown and must be estimated en route to recover the deblurred image. The problem is of strong practical relevance since many imaging devices…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Mohammad Tofighi , Yuelong Li , Vishal Monga

To achieve promising results on blind image super-resolution (SR), some attempts leveraged the low resolution (LR) images to predict the kernel and improve the SR performance. However, these Supervised Kernel Prediction (SKP) methods are…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Yifeng Zhou , Chuming Lin , Donghao Luo , Yong Liu , Ying Tai , Chengjie Wang , Mingang Chen

We propose an efficient deep learning method for single image defocus deblurring (SIDD) by further exploring inverse kernel properties. Although the current inverse kernel method, i.e., kernel-sharing parallel atrous convolution (KPAC), can…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Peng Tang , Zhiqiang Xu , Pengfei Wei , Xiaobin Hu , Peilin Zhao , Xin Cao , Chunlai Zhou , Tobias Lasser

Super-resolution and denoising are ill-posed yet fundamental image restoration tasks. In blind settings, the degradation kernel or the noise level are unknown. This makes restoration even more challenging, notably for learning-based…

Image and Video Processing · Electrical Eng. & Systems 2020-07-24 Majed El Helou , Ruofan Zhou , Sabine Süsstrunk