3D Registration-Guided Deformable Residual Inpainting for ssEM Restoration.
basic_science · Level V
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- Record sourced from PubMed, PMID 42172593.
- Also identified by DOI 10.1093/bioinformatics/btag329.
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Abstract
Serial section Electron Microscopy (ssEM) is essential for studying biological cell structures at nanometer resolution. However, Supporting Film Folding (SFF) degradation frequently occurs during sample preparation, causing structural distortions and information loss that severely impair downstream analyses such as 3D reconstruction and neuron segmentation. We propose RegInpaint, a novel recovery framework that jointly addresses deformation correction and missing-information restoration caused by SFF degradation. RegInpaint formulates SFF recovery as a joint problem of 3D elastic registration and image inpainting, providing a generalizable solution for ssEM restoration. Experiments on four EM datasets show that RegInpaint consistently outperforms existing methods in image restoration quality and significantly improves neuron segmentation accuracy. Source code is freely available at https://github.com/zhangzhenbang2021/RegInpaint.git.