pyaesthetics.brightness.relativeluminance_bt601

pyaesthetics.brightness.relativeluminance_bt601(img)

This function evaluates the brightness of an image by means of Y, where Y is evaluated as:

Y = 0.587G + 0.114B + 0.299R B = mean(Y)

Parameters:

img (numpy.ndarray) – image to analyze, in RGB

Returns:

mean brightness

Return type:

float