25 lines
761 B
Python
25 lines
761 B
Python
import cv2
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import numpy as np
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img = cv2.imread("../../data/cameraman.png")
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img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
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k1 = (1 / (33 * 33)) * np.ones((33, 33), dtype=np.uint8)
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border_types = [
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("cv2.BORDER_REFLECT", cv2.BORDER_REFLECT, 255),
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("cv2.BORDER_REPLICATE", cv2.BORDER_REPLICATE, 255),
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("cv2.BORDER_CONSTANT", cv2.BORDER_CONSTANT, 0),
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("cv2.BORDER_CONSTANT", cv2.BORDER_CONSTANT, 255),
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]
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cv2.imshow("img", img)
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for name, border, value in border_types:
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img_border = cv2.copyMakeBorder(img, 50, 50, 50, 50, borderType=border, value=value)
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img_k1 = cv2.filter2D(img, -1, k1, borderType=border)
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cv2.imshow("img_k1_" + name + str(value), img_k1)
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cv2.imshow("img_border_" + name + str(value), img_border)
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cv2. waitKey() |