Perception-guided defocus blur detection based on SVD feature

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Xiaopan Li, Shiqian Wu, Jiaxin Wu, Shoulie Xie, Sos S. Agaian

Published: 01 Jan 2023, Last Modified: 13 Nov 2024Image Vis. Comput. 2023EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•SVD features distinguish focus via re-blurred singular value difference.•Perceptual weights modulate the sparse blur map obtained with SVD features.•Additional edge points are introduced to obtain a better full blur map.