ID-Blau: Image Deblurring by Implicit Diffusion-based reBLurring AUgmentation

Fuente: arXiv
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Main Authors: Wu, Jia-Hao, Tsai, Fu-Jen, Peng, Yan-Tsung, Tsai, Chung-Chi, Lin, Chia-Wen, Lin, Yen-Yu
Format: Preprint
Published: 2023
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author Wu, Jia-Hao
Tsai, Fu-Jen
Peng, Yan-Tsung
Tsai, Chung-Chi
Lin, Chia-Wen
Lin, Yen-Yu
author_facet Wu, Jia-Hao
Tsai, Fu-Jen
Peng, Yan-Tsung
Tsai, Chung-Chi
Lin, Chia-Wen
Lin, Yen-Yu
contents Image deblurring aims to remove undesired blurs from an image captured in a dynamic scene. Much research has been dedicated to improving deblurring performance through model architectural designs. However, there is little work on data augmentation for image deblurring. Since continuous motion causes blurred artifacts during image exposure, we aspire to develop a groundbreaking blur augmentation method to generate diverse blurred images by simulating motion trajectories in a continuous space. This paper proposes Implicit Diffusion-based reBLurring AUgmentation (ID-Blau), utilizing a sharp image paired with a controllable blur condition map to produce a corresponding blurred image. We parameterize the blur patterns of a blurred image with their orientations and magnitudes as a pixel-wise blur condition map to simulate motion trajectories and implicitly represent them in a continuous space. By sampling diverse blur conditions, ID-Blau can generate various blurred images unseen in the training set. Experimental results demonstrate that ID-Blau can produce realistic blurred images for training and thus significantly improve performance for state-of-the-art deblurring models. The source code is available at https://github.com/plusgood-steven/ID-Blau.
format Preprint
id arxiv_https___arxiv_org_abs_2312_10998
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle ID-Blau: Image Deblurring by Implicit Diffusion-based reBLurring AUgmentation
Wu, Jia-Hao
Tsai, Fu-Jen
Peng, Yan-Tsung
Tsai, Chung-Chi
Lin, Chia-Wen
Lin, Yen-Yu
Computer Vision and Pattern Recognition
Image deblurring aims to remove undesired blurs from an image captured in a dynamic scene. Much research has been dedicated to improving deblurring performance through model architectural designs. However, there is little work on data augmentation for image deblurring. Since continuous motion causes blurred artifacts during image exposure, we aspire to develop a groundbreaking blur augmentation method to generate diverse blurred images by simulating motion trajectories in a continuous space. This paper proposes Implicit Diffusion-based reBLurring AUgmentation (ID-Blau), utilizing a sharp image paired with a controllable blur condition map to produce a corresponding blurred image. We parameterize the blur patterns of a blurred image with their orientations and magnitudes as a pixel-wise blur condition map to simulate motion trajectories and implicitly represent them in a continuous space. By sampling diverse blur conditions, ID-Blau can generate various blurred images unseen in the training set. Experimental results demonstrate that ID-Blau can produce realistic blurred images for training and thus significantly improve performance for state-of-the-art deblurring models. The source code is available at https://github.com/plusgood-steven/ID-Blau.
title ID-Blau: Image Deblurring by Implicit Diffusion-based reBLurring AUgmentation
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2312.10998