30 lines
604 B
Python
30 lines
604 B
Python
import cv2 as cv
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# read image
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img = cv.imread("opencv_logo.png",cv.IMREAD_UNCHANGED)
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# get height and width, channel of img
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height,width,channel=img.shape
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# show infos
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print(img.shape)
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print("height=\t",height)
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print("width=\t",width)
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print("channel=\t",channel)
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# split channels
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blue,green,red=cv.split(img)
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# show channels
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## red channel
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cv.namedWindow("red channel")
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cv.imshow("red channel", red)
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## green channel
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cv.namedWindow("green channel")
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cv.imshow("green channel", green)
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## blue channel
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cv.namedWindow("blue channel")
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cv.imshow("blue channel", blue)
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cv.waitKey(0)
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cv.destroyAllWindows() |