https://research.knu.ac.kr/en/publications/linearizing-afm-raster-scans-acquired-using-dual-stage-lateral-sc-2/
Linearizing AFM raster scans acquired using dual-stage lateral scanners - Kyungpook National...
https://classiccmp.org/pipermail/cctalk/2021-August/060316.html
Linearizing PDF scans
pdfscans