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
@@ -49,7 +49,7 @@ if __name__ == '__main__':
        vis = np.uint8(vis/2.)
        vis[edge != 0] = (0, 255, 0)
        cv2.imshow('edge', vis)
-        ch = cv2.waitKey(5) & 0xFF
+        ch = cv2.waitKey(5)
        if ch == 27:
            break
    cv2.destroyAllWindows()