https://dev.to/101arrowz/building-a-mobile-document-scanner-with-zero-dependencies-the-sobel-operator-3cg8
Building a Mobile Document Scanner with Zero Dependencies: The Sobel Operator - DEV Community
If you missed the previous article in this series (Divide and Conquer), you'll want to read it first... Tagged with javascript, algorithms, computervision.
mobile document scanner
https://www.vuugo.com/product/brother-ds-640-compact-ds640/
Brother DS-640 Compact Mobile Document Scanner (DS640) | Vuugo
mobile document scannerbrotherdscompact