重命名

2024-09-10 11:22:07 +08:00
parent e39389cf7a
commit 0fccff2da8
1 changed files with 0 additions and 0 deletions
@@ -0,0 +1,30 @@
+import cv2 as cv
+
+# read image
+img = cv.imread("opencv_logo.png",cv.IMREAD_UNCHANGED)
+
+# get height and width, channel of img
+height,width,channel=img.shape
+
+# show infos
+print(img.shape)
+print("height=\t",height)
+print("width=\t",width)
+print("channel=\t",channel)
+
+# split channels
+blue,green,red=cv.split(img)
+
+# show channels
+## red channel
+cv.namedWindow("red channel")
+cv.imshow("red channel", red)
+## green channel
+cv.namedWindow("green channel")
+cv.imshow("green channel", green)
+## blue channel
+cv.namedWindow("blue channel")
+cv.imshow("blue channel", blue)
+
+cv.waitKey(0)
+cv.destroyAllWindows()