Skin-Ratio Mask

Problem

Build a skin mask with the classic RGB rule.

A pixel is skin (255) when r > 95, g > 40, b > 20, max(r, g, b) - min(r, g, b) > 15 and abs(r - g) > 15 all hold; otherwise output 0.

case 1

in: [[[[120,80,60]]]]

expected: [[255]]

case 2

in: [[[[90,80,60]]]]

expected: [[0]]

case 3

in: [[[[120,110,60]]]]

expected: [[0]]

case 4

in: [[[[100,50,30]]]]

expected: [[255]]

Starter codePython

def skin_ratio(image):
    # Your code here
    pass

4 test cases · run your code against them in the editor