# colourchanneloperation.py # 颜色通道操作 from skimage import data, io from matplotlib import pyplot as plt # 读入图像 image = data.coffee() # 分别取出红、绿、蓝3个颜色通道 image_r = image[:, :, 0] image_g = image[:, :, 1] image_b = image[:, :, 2] # 分别展示3个通道 plt.subplot(2, 2, 1) io.imshow(image) plt.subplot(2, 2, 2) io.imshow(image_r) plt.subplot(2, 2, 3) io.imshow(image_g) plt.subplot(2, 2, 4) io.imshow(image_b) plt.show()
