加入三个窗口显示rgb通道

2024-09-10 10:39:58 +08:00
parent ac77a9f4d9
commit e39389cf7a
1 changed files with 10 additions and 5 deletions
@@ -7,19 +7,24 @@ img = cv.imread("opencv_logo.png",cv.IMREAD_UNCHANGED)
 height,width,channel=img.shape

 # show infos
+print(img.shape)
 print("height=\t",height)
 print("width=\t",width)
-print("channel=\t",height)
+print("channel=\t",channel)

 # split channels
 blue,green,red=cv.split(img)

 # show channels
 ## red channel
-#cv.imshow("channel", red)
+cv.namedWindow("red channel")
+cv.imshow("red channel", red)
 ## green channel
-cv.imshow("channel", green)
+cv.namedWindow("green channel")
+cv.imshow("green channel", green)
 ## blue channel
-#cv.imshow("channel", blue)
+cv.namedWindow("blue channel")
+cv.imshow("blue channel", blue)
+
 cv.waitKey(0)
-cv.destroyWindow("channel")
+cv.destroyAllWindows()