OpenCV Mat Edit

• setTo (mat, mask)
• noArray() = Mat()

이미지의 기하학적 변형 - gramman 0.1 documentation

https://opencv-python.readthedocs.io/en/latest/doc/10.imageTransformation/imageTransformation.html

Color

• normalize
• normalize norm

Brightness

• template inline uchar saturate_cast<uchar> (int v)

Histogram

Graph of same Pixel data count

• streching
just stretch 1 dimension

• equalization
take interval as how much thy are