python 调整图片亮度的示例

实现效果 实现代码 import matplotlib.pyplot as plt from skimage import io file_name='D:/2020121173119242.png' img=io.imread(file_name) Increment = -10.0 img = img * 1.0 I = (img[:, :, 0] + img[:, :, 1] + img[:, :, 2])/3.0 + 0.001 mask_1 = I > 128.0 r = img [:, :, 0] g = img [:, :, 1] b = img [:, :, 2] rhs