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Merge remote-tracking branch 'upstream/3.4' into merge-3.4

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Alexander Alekhin
2019-09-25 18:55:28 +03:00
parent 5faa3ec873 1a15cbc9ae
commit 26129cfe69
1 changed files with 6 additions and 3 deletions
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9
modules/optflow/samples/motempl.py
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@@ -11,10 +11,11 @@ MIN_TIME_DELTA = 0.05
def nothing(dummy):
pass
def draw_motion_comp(vis, (x, y, w, h), angle, color):
def draw_motion_comp(vis, rect, angle, color):
x, y, w, h = rect
cv.rectangle(vis, (x, y), (x+w, y+h), (0, 255, 0))
r = min(w/2, h/2)
cx, cy = x+w/2, y+h/2
r = min(w//2, h//2)
cx, cy = x+w//2, y+h//2
angle = angle*np.pi/180
cv.circle(vis, (cx, cy), r, color, 3)
cv.line(vis, (cx, cy), (int(cx+np.cos(angle)*r), int(cy+np.sin(angle)*r)), color, 3)
@@ -91,4 +92,6 @@ if __name__ == '__main__':
prev_frame = frame.copy()
if 0xFF & cv.waitKey(5) == 27:
break
# cleanup the camera and close any open windows
cam.release()
cv.destroyAllWindows()