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In this paper, we consider the problem in defocus image deblurring. Previous classical methods follow two-steps approaches, i.e., first defocus map estimation and then the non-blind deblurring. In the era of deep learning, some researchers…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Qian Ye , Masanori Suganuma , Takayuki Okatani

Image deblurring is a classic problem in low-level computer vision with the aim to recover a sharp image from a blurred input image. Advances in deep learning have led to significant progress in solving this problem, and a large number of…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Kaihao Zhang , Wenqi Ren , Wenhan Luo , Wei-Sheng Lai , Bjorn Stenger , Ming-Hsuan Yang , Hongdong Li

Video deblurring models exploit consecutive frames to remove blurs from camera shakes and object motions. In order to utilize neighboring sharp patches, typical methods rely mainly on homography or optical flows to spatially align…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Dongxu Li , Chenchen Xu , Kaihao Zhang , Xin Yu , Yiran Zhong , Wenqi Ren , Hanna Suominen , Hongdong Li

Diffusion models have achieved significant progress in image generation. The pre-trained Stable Diffusion (SD) models are helpful for image deblurring by providing clear image priors. However, directly using a blurry image or pre-deblurred…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Lingshun Kong , Jiawei Zhang , Dongqing Zou , Jimmy Ren , Xiaohe Wu , Jiangxin Dong , Jinshan Pan

Motion blur is a fundamental problem in computer vision as it impacts image quality and hinders inference. Traditional deblurring algorithms leverage the physics of the image formation model and use hand-crafted priors: they usually produce…

Computer Vision and Pattern Recognition · Computer Science 2018-01-17 Huaijin Chen , Jinwei Gu , Orazio Gallo , Ming-Yu Liu , Ashok Veeraraghavan , Jan Kautz

Defocus blur is a physical consequence of the optical sensors used in most cameras. Although it can be used as a photographic style, it is commonly viewed as an image degradation modeled as the convolution of a sharp image with a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Ali Karaali , Claudio Rosito Jung

Conventional frame-based cameras inevitably produce blurry effects due to motion occurring during the exposure time. Event camera, a bio-inspired sensor offering continuous visual information could enhance the deblurring performance.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Xiaopeng Lin , Hongwei Ren , Yulong Huang , Zunchang Liu , Yue Zhou , Haotian Fu , Biao Pan , Bojun Cheng

For the success of video deblurring, it is essential to utilize information from neighboring frames. Most state-of-the-art video deblurring methods adopt motion compensation between video frames to aggregate information from multiple frames…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Hyeongseok Son , Junyong Lee , Jonghyeop Lee , Sunghyun Cho , Seungyong Lee

This paper presents a novel approach, termed {\em Temporal Latent Residual Network (TLRN)}, to predict a sequence of deformation fields in time-series image registration. The challenge of registering time-series images often lies in the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Nian Wu , Jiarui Xing , Miaomiao Zhang

State-of-the-art video deblurring methods cannot handle blurry videos recorded in dynamic scenes, since they are built under a strong assumption that the captured scenes are static. Contrary to the existing methods, we propose a video…

Computer Vision and Pattern Recognition · Computer Science 2016-03-15 Tae Hyun Kim , Seungjun Nah , Kyoung Mu Lee

Video deblurring is a challenging task that aims to recover sharp sequences from blur and noisy observations. The image-formation model plays a crucial role in traditional model-based methods, constraining the possible solutions. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Zhihao Huang , Santiago Lopez-Tapia , Aggelos K. Katsaggelos

This thesis analyzes the challenging problem of Image Deblurring based on classical theorems and state-of-art methods proposed in recent years. By spectral analysis we mathematically show the effective of spectral regularization methods,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Yuhong Lu , Nicholas Polydorides

Natural videos captured by consumer cameras often suffer from low framerate and motion blur due to the combination of dynamic scene complexity, lens and sensor imperfection, and less than ideal exposure setting. As a result, computational…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Wei Shang , Dongwei Ren , Yi Yang , Hongzhi Zhang , Kede Ma , Wangmeng Zuo

Video deraining is an important task in computer vision as the unwanted rain hampers the visibility of videos and deteriorates the robustness of most outdoor vision systems. Despite the significant success which has been achieved for video…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Kaihao Zhang , Dongxu Li , Wenhan Luo , Wenqi Ren , Wei Liu

When sailing at sea, the smart ship will inevitably produce swaying motion due to the action of wind, wave and current, which makes the image collected by the visual sensor appear motion blur. This will have an adverse effect on the object…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Hui Feng , Jundong Guo , Sam Shuzhi Ge

Video deblurring methods, aiming at recovering consecutive sharp frames from a given blurry video, usually assume that the input video suffers from consecutively blurry frames. However, in real-world scenarios captured by modern imaging…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Wei Shang , Dongwei Ren , Yi Yang , Wangmeng Zuo

In this paper, we introduce an end-to-end generative adversarial network (GAN) based on sparse learning for single image blind motion deblurring, which we called SL-CycleGAN. For the first time in blind motion deblurring, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Ali Syed Saqlain , Li-Yun Wang , Fang Fang

This paper tackles the problem of motion deblurring of dynamic scenes. Although end-to-end fully convolutional designs have recently advanced the state-of-the-art in non-uniform motion deblurring, their performance-complexity trade-off is…

Computer Vision and Pattern Recognition · Computer Science 2024-02-12 Maitreya Suin , Kuldeep Purohit , A. N. Rajagopalan

Motion blurry images challenge many computer vision algorithms, e.g, feature detection, motion estimation, or object recognition. Deep convolutional neural networks are state-of-the-art for image deblurring. However, obtaining training data…

Computer Vision and Pattern Recognition · Computer Science 2020-02-13 Peidong Liu , Joel Janai , Marc Pollefeys , Torsten Sattler , Andreas Geiger

Computationally removing the motion blur introduced by camera shake or object motion in a captured image remains a challenging task in computational photography. Deblurring methods are often limited by the fixed global exposure time of the…

Image and Video Processing · Electrical Eng. & Systems 2022-04-18 Cindy M. Nguyen , Julien N. P. Martel , Gordon Wetzstein