9月10日课上题

2024-09-10 10:30:33 +08:00
parent 05e35cdc83
commit ac77a9f4d9
8 changed files with 63 additions and 0 deletions
@@ -0,0 +1,25 @@
+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("height=\t",height)
+print("width=\t",width)
+print("channel=\t",height)
+
+# split channels
+blue,green,red=cv.split(img)
+
+# show channels
+## red channel
+#cv.imshow("channel", red)
+## green channel
+cv.imshow("channel", green)
+## blue channel
+#cv.imshow("channel", blue)
+cv.waitKey(0)
+cv.destroyWindow("channel")