English
Related papers

Related papers: Bi-l0-l2-Norm Regularization for Blind Motion Debl…

200 papers

Most image deblurring methods assume an over-simplistic image formation model and as a result are sensitive to more realistic image degradations. We propose a novel variational framework, that explicitly handles pixel saturation, noise,…

Computer Vision and Pattern Recognition · Computer Science 2018-06-05 Jérémy Anger , Mauricio Delbracio , Gabriele Facciolo

In this work, we address the challenging problem of blind deconvolution for color images. Existing methods often convert color images to grayscale or process each color channel separately, which overlooking the relationships between color…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Yuming Yang , Michael K. Ng , Zhigang Jia , Wei Wang

Video deblurring is a highly under-constrained problem due to the spatially and temporally varying blur. An intuitive approach for video deblurring includes two steps: a) detecting the blurry region in the current frame; b) utilizing the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Yusheng Wang , Yunfan Lu , Ye Gao , Lin Wang , Zhihang Zhong , Yinqiang Zheng , Atsushi Yamashita

Motion degradation, manifested as blur in global shutter (GS) images or rolling shutter (RS) distortion in RS counterparts, remains a fundamental challenge in computational imaging, especially under fast motion or low-light conditions.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Xiang Ji , Guixu Lin , Zhengwei Yin , Jiancheng Zhao , Yinqiang Zheng

Non-uniform blur, mainly caused by camera shake and motions of multiple objects, is one of the most common causes of image quality degradation. However, the traditional blind deblurring methods based on blur kernel estimation do not perform…

Image and Video Processing · Electrical Eng. & Systems 2019-12-05 Shuai Zheng , Zhenfeng Zhu , Jian Cheng , Yandong Guo , Yao Zhao

Following the earlier verification for Gaussian model in \cite{ASaa2026}, this paper introduces a zero training forward computational framework for the model to realize it in real time applications. The framework is based on discrete…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Akbar Saadat

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

Regularization-based image restoration has remained an active research topic in computer vision and image processing. It often leverages a guidance signal captured in different fields as an additional cue. In this work, we present a general…

Computer Vision and Pattern Recognition · Computer Science 2016-12-21 Youngjung Kim , Hyungjoo Jung , Dongbo Min , Kwanghoon Sohn

Face analysis is a core part of computer vision, in which remarkable progress has been observed in the past decades. Current methods achieve recognition and tracking with invariance to fundamental modes of variation such as illumination, 3D…

Computer Vision and Pattern Recognition · Computer Science 2018-03-12 Grigorios G. Chrysos , Paolo Favaro , Stefanos Zafeiriou

The l1/l2 ratio regularization function has shown good performance for retrieving sparse signals in a number of recent works, in the context of blind deconvolution. Indeed, it benefits from a scale invariance property much desirable in the…

Optimization and Control · Mathematics 2014-11-11 Audrey Repetti , Mai Quyen Pham , Laurent Duval , Emilie Chouzenoux , Jean-Christophe Pesquet

This paper concerns a class of composite image reconstruction models for impluse noise removal, which is rather general and covers existing convex and nonconvex models proposed for reconstructing images with impluse noise. For this…

Optimization and Control · Mathematics 2024-03-27 Bujin Li , Shaohua Pan , Tieyong Zeng

Deep learning based methods have dominated super-resolution (SR) field due to their remarkable performance in terms of effectiveness and efficiency. Most of these methods assume that the blur kernel during downsampling is predefined/known…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Jinjin Gu , Hannan Lu , Wangmeng Zuo , Chao Dong

Non-blind image deblurring is typically formulated as a linear least-squares problem regularized by natural priors on the corresponding sharp picture's gradients, which can be solved, for example, using a half-quadratic splitting method…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Thomas Eboli , Jian Sun , Jean Ponce

In this paper, we consider the highly ill-posed problem of jointly recovering two real-valued signals from the phaseless measurements of their circular convolution. The problem arises in various imaging modalities such as Fourier…

Image and Video Processing · Electrical Eng. & Systems 2020-03-02 Fahad Shamshad , Ali Ahmed

Existing deep learning methods for image deblurring typically train models using pairs of sharp images and their blurred counterparts. However, synthetically blurring images do not necessarily model the genuine blurring process in…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Kaihao Zhang , Wenhan Luo , Yiran Zhong , Lin Ma , Bjorn Stenger , Wei Liu , Hongdong Li

Image smoothing is a fundamental image processing operation that preserves the underlying structure, such as strong edges and contours, and removes minor details and textures in an image. Many image smoothing algorithms rely on computing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Nhat Thanh Tran , Kevin Bui , Jack Xin

Recovering clear structures from severely blurry inputs is a challenging problem due to the large movements between the camera and the scene. Although some works apply segmentation maps on human face images for deblurring, they cannot…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Pei Wang , Danna Xue , Yu Zhu , Jinqiu Sun , Qingsen Yan , Sung-eui Yoon , Yanning Zhang

The L1 norm regularized least squares method is often used for finding sparse approximate solutions and is widely used in 1-D signal restoration. Basis pursuit denoising (BPD) performs noise reduction in this way. However, the shortcoming…

Computer Vision and Pattern Recognition · Computer Science 2020-01-30 Nantheera Anantrasirichai , Rencheng Zheng , Ivan Selesnick , Alin Achim

We present DeblurGAN, an end-to-end learned method for motion deblurring. The learning is based on a conditional GAN and the content loss . DeblurGAN achieves state-of-the art performance both in the structural similarity measure and visual…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Orest Kupyn , Volodymyr Budzan , Mykola Mykhailych , Dmytro Mishkin , Jiri Matas

In this paper, we propose an end-to-end learning framework for event-based motion deblurring in a self-supervised manner, where real-world events are exploited to alleviate the performance degradation caused by data inconsistency. To…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Fang Xu , Lei Yu , Bishan Wang , Wen Yang , Gui-Song Xia , Xu Jia , Zhendong Qiao , Jianzhuang Liu