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The image blurring process is generally modelled as the convolution of a blur kernel with a latent image. Therefore, the estimation of the blur kernel is essentially important for blind image deblurring. Unlike existing approaches which…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Liyuan Pan , Richard Hartley , Miaomiao Liu , Yuchao Dai

When dynamic objects are captured by a camera, motion blur inevitably occurs. Such a blur is sometimes considered as just a noise, however, it sometimes gives an important effect to add dynamism in the scene for photographs or videos.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Michihiro Mikamo , Ryo Furukawa , Hiroshi Kawasaki

Making line segment detectors more reliable under motion blurs is one of the most important challenges for practical applications, such as visual SLAM and 3D reconstruction. Existing line segment detection methods face severe performance…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Huai Yu , Hao Li , Wen Yang , Lei Yu , Gui-Song Xia

We propose a solution to the novel task of rendering sharp videos from new viewpoints from a single motion-blurred image of a face. Our method handles the complexity of face blur by implicitly learning the geometry and motion of faces…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Givi Meishvili , Attila Szabó , Simon Jenni , Paolo Favaro

Complex blur such as the mixup of space-variant and space-invariant blur, which is hard to model mathematically, widely exists in real images. In this paper, we propose a novel image deblurring method that does not need to estimate blur…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Chunzhi Gu , Xuequan Lu , Ying He , Chao Zhang

We propose Unblur-SLAM, a novel RGB SLAM pipeline for sharp 3D reconstruction from blurred image inputs. In contrast to previous work, our approach is able to handle different types of blur and demonstrates state-of-the-art performance in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Qi Zhang , Denis Rozumny , Francesco Girlanda , Sezer Karaoglu , Marc Pollefeys , Theo Gevers , Martin R. Oswald

Contemporary deep learning multi-scale deblurring models suffer from many issues: 1) They perform poorly on non-uniformly blurred images/videos; 2) Simply increasing the model depth with finer-scale levels cannot improve deblurring; 3)…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Hongguang Zhang , Limeng Zhang , Yuchao Dai , Hongdong Li , Piotr Koniusz

Recording fast motion in a high FPS (frame-per-second) requires expensive high-speed cameras. As an alternative, interpolating low-FPS videos from commodity cameras has attracted significant attention. If only low-FPS videos are available,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Weihua He , Kaichao You , Zhendong Qiao , Xu Jia , Ziyang Zhang , Wenhui Wang , Huchuan Lu , Yaoyuan Wang , Jianxing Liao

Given two consecutive frames, video interpolation aims at generating intermediate frame(s) to form both spatially and temporally coherent video sequences. While most existing methods focus on single-frame interpolation, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2018-07-16 Huaizu Jiang , Deqing Sun , Varun Jampani , Ming-Hsuan Yang , Erik Learned-Miller , Jan Kautz

Blind image deblurring is an important yet very challenging problem in low-level vision. Traditional optimization based methods generally formulate this task as a maximum-a-posteriori estimation or variational inference problem, whose…

Image and Video Processing · Electrical Eng. & Systems 2021-06-08 Hui Wang , Zongsheng Yue , Qian Zhao , Deyu Meng

This paper discusses the challenges of evaluating deblurring-methods quality and proposes a reduced-reference metric based on machine learning. Traditional quality-assessment metrics such as PSNR and SSIM are common for this task, but not…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Nikita Alutis , Egor Chistov , Mikhail Dremin , Dmitriy Vatolin

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

This paper introduces a self-supervised learning framework designed for pre-training neural networks tailored to dense prediction tasks using event camera data. Our approach utilizes solely event data for training. Transferring achievements…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Yan Yang , Liyuan Pan , Liu Liu

In this paper a joint optimization technique has been proposed for coupled autoencoder which learns the autoencoder weights and coupling map (between source and target) simultaneously. The technique is applicable to any transfer learning…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Kavya Gupta , Brojeshwar Bhowmick , Angshul Majumdar

Most existing RGB-based trackers target low frame rate benchmarks of around 30 frames per second. This setting restricts the tracker's functionality in the real world, especially for fast motion. Event-based cameras as bioinspired sensors…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Jiqing Zhang , Yuanchen Wang , Wenxi Liu , Meng Li , Jinpeng Bai , Baocai Yin , Xin Yang

The problem of deblurring an image when the blur kernel is unknown remains challenging after decades of work. Recently there has been rapid progress on correcting irregular blur patterns caused by camera shake, but there is still much room…

Computer Vision and Pattern Recognition · Computer Science 2013-02-08 Paul Shearer , Anna C. Gilbert , Alfred O. Hero

For single image defocus deblurring, acquiring well-aligned training pairs (or training triplets), i.e., a defocus blurry image, an all-in-focus sharp image (and a defocus blur map), is a challenging task for developing effective deblurring…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Dongwei Ren , Xinya Shu , Yu Li , Xiaohe Wu , Jin Li , Wangmeng Zuo

Video Frame Interpolation (VFI) aims to generate intermediate video frames between consecutive input frames. Since the event cameras are bio-inspired sensors that only encode brightness changes with a micro-second temporal resolution,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Taewoo Kim , Yujeong Chae , Hyun-Kurl Jang , Kuk-Jin Yoon

Video frame interpolation (VFI) is a challenging task that aims to generate intermediate frames between two consecutive frames in a video. Existing learning-based VFI methods have achieved great success, but they still suffer from limited…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Haoning Wu , Xiaoyun Zhang , Weidi Xie , Ya Zhang , Yanfeng Wang

Single-image super-resolution (SR) and multi-frame SR are two ways to super resolve low-resolution images. Single-Image SR generally handles each image independently, but ignores the temporal information implied in continuing frames.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Wenjia Niu , Kaihao Zhang , Wenhan Luo , Yiran Zhong
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