1 基于深度学习的文档扭曲矫正

Dewarping Document Image By Displacement Flow Estimation with Fully Convolutional Network
https://github.com/gwxie/Dewarping-Document-Image-By-Displacement-Flow-Estimation

Here are 12 public repositories matching this topic…
https://github.com/topics/dewarping

KingSoft WPS: document image dewarping based on TensorFlow
https://blog.tensorflow.org/2019/12/kingsoft-wps-document-image-dewarping.html

2 基于几何模型的文档扭曲矫正

15 tools for document Deskewing and Dewarping
https://safjan.com/tools-for-doc-deskewing-and-dewarping/

We propose to use line segments in the image in addition to the aligned text-lines.
https://github.com/taeho-kil/Document-Image-Dewarping

Document Dewarping with Control Points
https://github.com/gwxie/document-dewarping-with-control-points

Flattening images of curled pages, as an optimization problem
https://github.com/ImageProcessing-ElectronicPublications/page_dewarp

Dewarping with a regular calibration point grid
https://github.com/ImageProcessing-ElectronicPublications/ppmrose

faster page_dewarp in C++
https://github.com/ImageProcessing-ElectronicPublications/pagedewarp

文档布局分析 & 扭曲文档图像恢复 — Document Layout Analysis & Document Image Dewarping
Leptonica，很好的库，注释比代码都多。它的dewarping代码貌似是基于textlines的
http://s1nh.org/post/document-layout-analysis/

A function that takes as input a cropped text line image, and outputs the dewarped image
https://github.com/TomStog/curved-text-alignment

https://www.reddit.com/r/programming/comments/ae6gb/dewarping_of_document_images_scanned_with_a_diy/

Revisiting Document Image Dewarping by Grid Regularization（CVPR 2022只有论文，没有代码）
https://paperswithcode.com/paper/revisiting-document-image-dewarping-by-grid

Revisiting Document Image Dewarping by Grid Regularization
https://openaccess.thecvf.com/content/CVPR2022/papers/Jiang_Revisiting_Document_Image_Dewarping_by_Grid_Regularization_CVPR_2022_paper.pdf