冒泡

2024-09-10 14:44:04 +08:00
parent b60dda21ea
commit 6e7c39ed51
2 changed files with 1 additions and 1 deletions
@@ -7,7 +7,7 @@ img_rgba=cv.cvtColor(img,cv.COLOR_BGR2BGRA)
 # split alpha channel
 blue,green,red,alpha = cv.split(img_rgba)
 #set alpha channel
-alpha[int(alpha.shape[0]/2):alpha.shape[0],int(alpha.shape[1]/2):alpha.shape[1]]=0
+alpha[int(alpha.shape[0]/2):alpha.shape[0],int(alpha.shape[1]/2):alpha.shape[1]]=128
 # remix alpha to img_rgba
 img_rgba=cv.merge((blue,green,red,alpha))
 # show