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Related papers: From Motion Blur to Motion Flow: a Deep Learning S…

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Recently, diffusion models have shown remarkable results in image synthesis by gradually removing noise and amplifying signals. Although the simple generative process surprisingly works well, is this the best way to generate image data? For…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Sangyun Lee , Hyungjin Chung , Jaehyeon Kim , Jong Chul Ye

Shape reconstruction techniques using structured light have been widely researched and developed due to their robustness, high precision, and density. Because the techniques are based on decoding a pattern to find correspondences, it…

Computer Vision and Pattern Recognition · Computer Science 2017-10-03 Ryo Furukawa , Ryusuke Sagawa , Hiroshi Kawasaki

Blind image restoration is a non-convex problem which involves restoration of images from an unknown blur kernel. The factors affecting the performance of this restoration are how much prior information about an image and a blur kernel are…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Chia-Chen Lee , Wen-Liang Hwang

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

Motion blur is a frequently observed image artifact, especially under insufficient illumination where exposure time has to be prolonged so as to collect more photons for a bright enough image. Rather than simply removing such blurring…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Xiang Ji , Haiyang Jiang , Yinqiang Zheng

Recent advancements in image motion deblurring, driven by CNNs and transformers, have made significant progress. Large-scale pre-trained diffusion models, which are rich in real-world modeling, have shown great promise for high-quality…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Xiaoyang Liu , Zhengyan Zhou , Zihang Xu , Jiezhang Cao , Zheng Chen , Yulun Zhang

Purpose: The suppression of motion artefacts from MR images is a challenging task. The purpose of this paper is to develop a standalone novel technique to suppress motion artefacts from MR images using a data-driven deep learning approach.…

Image and Video Processing · Electrical Eng. & Systems 2020-10-08 Kamlesh Pawar , Zhaolin Chen , N. Jon Shah , Gary F. Egan

We address for the first time the issue of motion blur in light field images captured from plenoptic cameras. We propose a solution to the estimation of a sharp high resolution scene radiance given a blurry light field image, when the…

Computer Vision and Pattern Recognition · Computer Science 2016-02-16 Paramanand Chandramouli , Paolo Favaro , Daniele Perrone

Motion estimation is one of the core challenges in computer vision. With traditional dual-frame approaches, occlusions and out-of-view motions are a limiting factor, especially in the context of environmental perception for vehicles due to…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 René Schuster , Christian Unger , Didier Stricker

This paper aims at one newly raising task in vision and multimedia research: recognizing human actions from still images. Its main challenges lie in the large variations in human poses and appearances, as well as the lack of temporal motion…

Computer Vision and Pattern Recognition · Computer Science 2015-02-03 Zhujin Liang , Xiaolong Wang , Rui Huang , Liang Lin

Despite significant progress in image-based 3D scene flow estimation, the performance of such approaches has not yet reached the fidelity required by many applications. Simultaneously, these applications are often not restricted to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Aseem Behl , Despoina Paschalidou , Simon Donné , Andreas Geiger

Many deep learning based methods are designed to remove non-uniform (spatially variant) motion blur caused by object motion and camera shake without knowing the blur kernel. Some methods directly output the latent sharp image in one stage,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Dong Huo , Abbas Masoumzadeh , Yee-Hong Yang

Motion is an important signal for agents in dynamic environments, but learning to represent motion from unlabeled video is a difficult and underconstrained problem. We propose a model of motion based on elementary group properties of…

Computer Vision and Pattern Recognition · Computer Science 2018-02-27 Andrew Jaegle , Stephen Phillips , Daphne Ippolito , Kostas Daniilidis

We propose a new self-supervised approach to image feature learning from motion cue. This new approach leverages recent advances in deep learning in two directions: 1) the success of training deep neural network in estimating optical flow…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Bin Ma , Shubao Liu , Yingxuan Zhi , Qi Song

The restoration of images affected by blur and noise has been widely studied and has broad potential for applications including in medical imaging modalities like computed tomography (CT). Although the blur and noise in CT images can be…

Medical Physics · Physics 2024-07-23 Yijie Yuan , Grace J. Gang , J. Webster Stayman

Video motion magnification is a technique to capture and amplify subtle motion in a video that is invisible to the naked eye. The deep learning-based prior work successfully demonstrates the modelling of the motion magnification problem…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Hyunwoo Ha , Oh Hyun-Bin , Kim Jun-Seong , Kwon Byung-Ki , Kim Sung-Bin , Linh-Tam Tran , Ji-Yun Kim , Sung-Ho Bae , Tae-Hyun Oh

Atmospheric turbulence significantly affects imaging systems which use light that has propagated through long atmospheric paths. Images captured under such condition suffer from a combination of geometric deformation and space varying blur.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Rajeev Yasarla , Vishal M Patel

Defocus deblurring is a challenging task due to the spatially varying nature of defocus blur. While deep learning approach shows great promise in solving image restoration problems, defocus deblurring demands accurate training data that…

Image and Video Processing · Electrical Eng. & Systems 2022-04-04 Lingyan Ruan , Bin Chen , Jizhou Li , Miuling Lam

Solving inverse problems without any training involves using a pretrained generative model and making appropriate modifications to the generation process to avoid finetuning of the generative model. While recent methods have explored the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Ashwini Pokle , Matthew J. Muckley , Ricky T. Q. Chen , Brian Karrer

Blind motion deblurring involves reconstructing a sharp image from an observation that is blurry. It is a problem that is ill-posed and lies in the categories of image restoration problems. The training data-based methods for image…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Harshil Jain , Rohit Patil , Indra Deep Mastan , Shanmuganathan Raman