lk_track.py description

diff --git a/samples/python2/_coverage.py b/samples/python2/_coverage.py
index cdad18a..e64c7c9 100644 (file)
--- a/samples/python2/_coverage.py
+++ b/samples/python2/_coverage.py
@@ -11,6 +11,9 @@ for fn in glob('*.py'):
     found |= set(re.findall('cv2?\.\w+', code))\r
 \r
 cv2_used = found & cv2_callable\r
+cv2_unused = cv2_callable - cv2_used\r
+with open('unused_api.txt', 'w') as f:\r
+    f.write('\n'.join(sorted(cv2_unused)))\r
 \r
 r = 1.0 * len(cv2_used) / len(cv2_callable)\r
 print '\ncv2 api coverage: %d / %d  (%.1f%%)' % ( len(cv2_used), len(cv2_callable), r*100 )\r

diff --git a/samples/python2/lk_track.py b/samples/python2/lk_track.py
index 10e3961..0cbd52e 100644 (file)
--- a/samples/python2/lk_track.py
+++ b/samples/python2/lk_track.py
@@ -1,16 +1,27 @@
+'''\r
+Lucas-Kanade tracker\r
+====================\r
+\r
+Lucas-Kanade sparse optical flow demo. Uses goodFeaturesToTrack\r
+for track initialization and back-tracking for match verification\r
+between frames.\r
+\r
+Usage\r
+-----\r
+lk_track.py [<video_source>]\r
+\r
+\r
+Keys\r
+----\r
+ESC - exit\r
+'''\r
+\r
 import numpy as np\r
 import cv2\r
 import video\r
 from common import anorm2, draw_str\r
 from time import clock\r
 \r
-help_message = '''\r
-USAGE: lk_track.py [<video_source>]\r
-\r
-Keys:\r
-  SPACE - reset features\r
-'''\r
-\r
 lk_params = dict( winSize  = (15, 15), \r
                   maxLevel = 2, \r
                   criteria = (cv2.TERM_CRITERIA_EPS | cv2.TERM_CRITERIA_COUNT, 10, 0.03),\r
@@ -79,7 +90,7 @@ def main():
     try: video_src = sys.argv[1]\r
     except: video_src = 0\r
 \r
-    print help_message\r
+    print __doc__\r
     App(video_src).run()\r
 \r
 if __name__ == '__main__':\r