34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
import cv2 as cv
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import matplotlib.pyplot as plt
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import numpy as np
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if __name__ == "__main__":
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img = cv.imread(r"img\iris.jpg", 0)
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fil1 = 1 / 16 * np.array([[1, 2, 1], [2, 4, 2], [1, 2, 1]])
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fil2 = 1 / 9 * np.array([[1, 1, 1], [1, 1, 1], [1, 1, 1]])
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fil3 = 1 / 10 * np.array([[1, 1, 1], [1, 2, 1], [1, 1, 1]])
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fil4 = np.array([[-1, -1, -1], [-1, 9, -1], [-1, -1, -1]])
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ImgSmoothed1 = cv.filter2D(img, -1, fil1, borderType=cv.BORDER_DEFAULT)
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ImgSmoothed2 = cv.filter2D(img, -1, fil2, borderType=cv.BORDER_DEFAULT)
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ImgSmoothed3 = cv.filter2D(img, -1, fil3, borderType=cv.BORDER_DEFAULT)
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ImgSharp = cv.filter2D(img, -1, fil4, borderType=cv.BORDER_DEFAULT)
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plt.figure()
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plt.subplot(221)
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plt.imshow(ImgSmoothed1, cmap="gray")
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plt.title("smoothed1")
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plt.axis("off")
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plt.subplot(222)
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plt.imshow(ImgSmoothed2, cmap="gray")
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plt.title("smoothed2")
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plt.axis("off")
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plt.subplot(223)
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plt.imshow(ImgSmoothed3, cmap="gray")
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plt.title("smoothed3")
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plt.axis("off")
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plt.subplot(224)
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plt.imshow(ImgSharp, cmap="gray")
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plt.title("sharp")
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plt.axis("off")
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plt.tight_layout()
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plt.show()
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