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260416-2509165027.py

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+#练习1----------
+import numpy as np
+image=np.array([
+    [100,150, 200],
+    [80, 120, 180],
+    [60, 90,  140]
+],dtype=np.uint8)
+print("原图:")
+print(image)
+darker=image-20
+print(darker)
+top_left=image[0:2, 0:2]
+print(top_left)
+flipped=np.fliplr(image)
+print(flipped)
+#练习2-----------
+import numpy as np
+image=np.array([
+    [255, 255,  0,   0],
+    [255, 255,  0,   0],
+    [  0,  0, 255, 255],
+    [  0,  0, 255, 255]
+],dtype=np.uint8)
+
+#练习3-----------
+import numpy as np
+feature_map1=np.array([[1, 0, 1], [0, 1, 0], [1, 0, 1]])
+feature_map2=np.array([[1, 1, 1], [1, 0, 0], [1, 0, 0]])
+
+vector1=feature_map1.flatten()
+vector2=feature_map2.flatten()
+
+print("vector1", vector1)
+print("vector2", vector2)