Diff of BGR

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.
• Go to BGR.

* [[OpenCV]] [#cd8a85b0]

- Why does OpenCV use BGR color format ?
--  https://www.learnopencv.com/why-does-opencv-use-bgr-color-format/

- OpenCV のピクセル形式が BGR である理由
--  https://qiita.com/yoya/items/bfef7404ded22649a2af