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Related papers: Improving Single-Image Defocus Deblurring: How Dua…

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Multi-focus image fusion aims to combine multiple partially focused images into a single all-in-focus image. Although deep learning has shown promise in this task, its effectiveness is often limited by the scarcity of suitable training…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Huangxing Lin , Rongrong Ma , Cheng Wang

Humans can robustly learn novel visual concepts even when images undergo various deformations and lose certain information. Mimicking the same behavior and synthesizing deformed instances of new concepts may help visual recognition systems…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Zitian Chen , Yanwei Fu , Yu-Xiong Wang , Lin Ma , Wei Liu , Martial Hebert

Single image defocus deblurring aims to recover an all-in-focus image from a defocus counterpart, where accurately modeling spatially varying blur kernels remains a key challenge. Most existing methods rely on spatial features for kernel…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Ying Zhang , Xiongxin Tang , Chongyi Li , Qiao Chen , Yuquan Wu

Image reflection removal is crucial for restoring image quality. Distorted images can negatively impact tasks like object detection and image segmentation. In this paper, we present a novel approach for image reflection removal using a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Abdelrahman Elnenaey , Marwan Torki

Image colorization is a challenging problem due to multi-modal uncertainty and high ill-posedness. Directly training a deep neural network usually leads to incorrect semantic colors and low color richness. While transformer-based methods…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Xiaoyang Kang , Tao Yang , Wenqi Ouyang , Peiran Ren , Lingzhi Li , Xuansong Xie

Reconstructing a sequence of sharp images from the blurry input is crucial for enhancing our insights into the captured scene and poses a significant challenge due to the limited temporal features embedded in the image. Spike cameras,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Kang Chen , Shiyan Chen , Jiyuan Zhang , Baoyue Zhang , Yajing Zheng , Tiejun Huang , Zhaofei Yu

We seek to reconstruct sharp and noise-free high-dynamic range (HDR) video from a dual-exposure sensor that records different low-dynamic range (LDR) information in different pixel columns: Odd columns provide low-exposure, sharp, but noisy…

Image and Video Processing · Electrical Eng. & Systems 2021-04-14 Uğur Çoğalan , Mojtaba Bemana , Karol Myszkowski , Hans-Peter Seidel , Tobias Ritschel

We present the Cross-stitched Multi-task Unified Dual Recursive Network (CMUDRN) model targeting the task of unified deraining and desnowing in a multi-task learning setting. This unified model borrows from the basic Dual Recursive Network…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Sotiris Karavarsamis , Alexandros Doumanoglou , Konstantinos Konstantoudakis , Dimitrios Zarpalas

In many real-world scenarios, recorded videos suffer from accidental focus blur, and while video deblurring methods exist, most specifically target motion blur or spatial-invariant blur. This paper introduces a framework optimized for the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Crispian Morris , Nantheera Anantrasirichai , Fan Zhang , David Bull

Blind image deblurring remains a challenging problem for modern artificial neural networks. Unlike other image restoration problems, deblurring networks fail behind the performance of existing deblurring algorithms in case of uniform and 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Adam Kaufman , Raanan Fattal

We present a method to separate a single image captured under two illuminants, with different spectra, into the two images corresponding to the appearance of the scene under each individual illuminant. We do this by training a deep neural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-24 Zhuo Hui , Ayan Chakrabarti , Kalyan Sunkavalli , Aswin C. Sankaranarayanan

The task of image deblurring is a very ill-posed problem as both the image and the blur are unknown. Moreover, when pictures are taken in the wild, this task becomes even more challenging due to the blur varying spatially and the occlusions…

Computer Vision and Pattern Recognition · Computer Science 2017-08-30 Mehdi Noroozi , Paramanand Chandramouli , Paolo Favaro

Deblurring can not only provide visually more pleasant pictures and make photography more convenient, but also can improve the performance of objection detection as well as tracking. However, removing dynamic scene blur from images is a…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Jiawei Zhang , Jinshan Pan , Daoye Wang , Shangchen Zhou , Xing Wei , Furong Zhao , Jianbo Liu , Jimmy Ren

While motion compensation greatly improves video deblurring quality, separately performing motion compensation and video deblurring demands huge computational overhead. This paper proposes a real-time video deblurring framework consisting…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Hyeongseok Son , Junyong Lee , Sunghyun Cho , Seungyong Lee

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

Multi-scale approach has been used for blind image / video deblurring problems to yield excellent performance for both conventional and recent deep-learning-based state-of-the-art methods. Bicubic down-sampling is a typical choice for…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Dongwon Park , Jisoo Kim , Se Young Chun

The success of the state-of-the-art video deblurring methods stems mainly from implicit or explicit estimation of alignment among the adjacent frames for latent video restoration. However, due to the influence of the blur effect, estimating…

Image and Video Processing · Electrical Eng. & Systems 2021-12-13 Chao Zhu , Hang Dong , Jinshan Pan , Boyang Liang , Yuhao Huang , Lean Fu , Fei Wang

In this paper, we address the problem of dynamic scene deblurring in the presence of motion blur. Restoration of images affected by severe blur necessitates a network design with a large receptive field, which existing networks attempt to…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Kuldeep Purohit , A. N. Rajagopalan

When imaging through a semi-reflective medium such as glass, the reflection of another scene can often be found in the captured images. It degrades the quality of the images and affects their subsequent analyses. In this paper, a novel deep…

Image and Video Processing · Electrical Eng. & Systems 2022-08-11 Tingtian Li , Yuk-Hee Chan , Daniel P. K. Lun

Video deblurring models exploit information in the neighboring frames to remove blur caused by the motion of the camera and the objects. Recurrent Neural Networks~(RNNs) are often adopted to model the temporal dependency between frames via…

Computer Vision and Pattern Recognition · Computer Science 2022-04-08 JoonKyu Park , Seungjun Nah , Kyoung Mu Lee