day03/ex01.py

@@ -0,0 +1,12 @@
+import cv2
+import numpy as np
+import matplotlib.pyplot as plt
+img = cv2.imread("gpu.bmp")
+
+# 格式转换
+# img_out = cv2.cvtColor(img, cv2.COLOR_RGB2GRAY)
+img_out = cv2.cvtColor(img, cv2.COLOR_RGB2BGR)
+
+plt.imshow(img_out)
+# plt.imshow(img_out, cmap="gray")
+plt.show()