update samples: waitKey() usage

Original commit is a5f19f7dd6ae5bc93f73e0417a9e0bfd34c01672
2016-08-12 15:11:30 +02:00
parent 4e7b521438
commit 6d34d6b47e
76 changed files with 142 additions and 154 deletions
@@ -84,7 +84,7 @@ if __name__ == '__main__':

    cv2.imshow('image',im)
    while True:
-        k = cv2.waitKey(0)&0xFF
+        k = cv2.waitKey(0)
        if k == ord('a'):
            curve = hist_curve(im)
            cv2.imshow('histogram',curve)