Fix greyscale computation and inverted coords#8905

Merged

tianyizheng02 merged 4 commits intoTheAlgorithms:masterfrom

colinleroy:master

Jul 29, 2023

Commits on Jul 29, 2023

Fix greyscale computation and inverted coords
Colin Leroy-Mira
committed
Fix test
Colin Leroy-Mira
committed
Add test cases
Colin Leroy-Mira
committed
Add reference to the greyscaling formula
Colin Leroy-Mira
committed