python: 'cv2.' -> 'cv.' via 'import cv2 as cv'

samples/python/mser.py

@@ -15,7 +15,7 @@ Keys:
 '''
 
 import numpy as np
-import cv2
+import cv2 as cv
 import video
 import sys
 
@@ -26,20 +26,20 @@ if __name__ == '__main__':
         video_src = 0
 
     cam = video.create_capture(video_src)
-    mser = cv2.MSER_create()
+    mser = cv.MSER_create()
 
     while True:
         ret, img = cam.read()
         if ret == 0:
             break
-        gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+        gray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
         vis = img.copy()
 
         regions, _ = mser.detectRegions(gray)
-        hulls = [cv2.convexHull(p.reshape(-1, 1, 2)) for p in regions]
-        cv2.polylines(vis, hulls, 1, (0, 255, 0))
+        hulls = [cv.convexHull(p.reshape(-1, 1, 2)) for p in regions]
+        cv.polylines(vis, hulls, 1, (0, 255, 0))
 
-        cv2.imshow('img', vis)
-        if cv2.waitKey(5) == 27:
+        cv.imshow('img', vis)
+        if cv.waitKey(5) == 27:
             break
-    cv2.destroyAllWindows()
+    cv.destroyAllWindows()