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work on motempl.py sample

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This commit is contained in:
Alexander Mordvintsev
2011-07-10 21:23:32 +00:00
parent 8a3d1937c3
commit 514711af14
3 changed files with 66 additions and 2 deletions
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6
samples/python2/lk_track.py
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@@ -20,7 +20,7 @@ lk_params = dict( winSize = (3, 3),
criteria = (cv2.TERM_CRITERIA_EPS | cv2.TERM_CRITERIA_COUNT, 10, 0.03),
derivLambda = 0.0 )
feature_params = dict( maxCorners = 500,
feature_params = dict( maxCorners = 1000,
qualityLevel = 0.1,
minDistance = 5,
blockSize = 5 )
@@ -42,6 +42,8 @@ def main():
try: video_src = sys.argv[1]
except: video_src = video.presets['chess']
cv2.namedWindow('img', 0)
track_len = 4
tracks = []
cam = video.create_capture(video_src)
@@ -63,7 +65,7 @@ def main():
tr.append((x, y))
if len(tr) > 10:
del tr[0]
cv2.circle(vis, (x, y), 2, (0, 255, 0), -2)
cv2.circle(vis, (x, y), 2, (0, 255, 0), -1)
cv2.polylines(vis, [np.int32(tr) for tr in tracks], False, (0, 255, 0))
draw_str(vis, (20, 20), ['new', 'old'][old_mode]+' mode')
draw_str(vis, (20, 40), 'time: %.02f ms' % (dt*1000))