3-1-2 衔接与拓展：从图像矩阵到文本向量

0416+2509165015/1.py

@@ -0,0 +1,17 @@
+import numpy as np
+image = np.array([
+    [100, 150, 200],
+    [80, 120, 180],
+    [60, 90, 140]
+], dtype=np.uint8)
+print("原图：")
+print(image)
+image_dark = image - 20
+print("\n1. 变暗20后：")
+print(image_dark)
+image_crop = image[0:2, 0:2]
+print("\n2. 裁剪左上角2×2后：")
+print(image_crop)
+image_flip = np.fliplr(image)
+print("\n3. 水平翻转后：")
+print(image_flip)