Update splitmergechannels.py

Author: naresh242

splitmergechannels.py

@@ -7,6 +7,7 @@
 import argparse
 import cv2
 import numpy as np
+from numpy import dtype
 
 #E:/naresh/learning/books/pyimage/Books/ppocv/code/images/trex.png
 #ap = argparse.ArgumentParser()
@@ -16,7 +17,9 @@
 image = cv2.imread("E:/naresh/learning/books/pyimage/Books/ppocv/code/images/trex.png")
 
 b,g,r=cv2.split(image)
-cv2.imshow("blue",b)
+zero=np.zeros(image.shape[:2],dtype="uint8")
+blue=cv2.merge([b,zero,zero])
+cv2.imshow("original",image)
 orimage=cv2.merge([b,g,r])
-cv2.imshow("ori",orimage)
-cv2.waitKey(0)
+cv2.imshow("blue",blue)
+cv2.waitKey(0)