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camshift.py description

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This commit is contained in:
Alexander Mordvintsev 2011-08-27 13:43:32 +00:00
parent 714732e9bb
commit 02788eb32e
2 changed files with 25 additions and 12 deletions
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25
samples/python2/camshift.py
View File

@ -1,16 +1,29 @@
import numpy as np '''
import cv2 Camshift tracker
import video ================
help_message = '''USAGE: camshift.py [<video source>] This is a demo that shows mean-shift based tracking
You select a color objects such as your face and it tracks it.
This reads from video camera (0 by default, or the camera number the user enters)
Select a bright colored object to track. http://www.robinhewitt.com/research/track/camshift.html
Usage:
------
camshift.py [<video source>]
To initialize tracking, select the object with mouse
Keys: Keys:
-----
ESC - exit ESC - exit
b - toggle back-projected probability visualization b - toggle back-projected probability visualization
''' '''
import numpy as np
import cv2
import video
class App(object): class App(object):
def __init__(self, video_src): def __init__(self, video_src):
@ -99,6 +112,6 @@ if __name__ == '__main__':
import sys import sys
try: video_src = sys.argv[1] try: video_src = sys.argv[1]
except: video_src = 0 except: video_src = 0
print help_message print __doc__
App(video_src).run() App(video_src).run()

4
samples/python2/demo.py
View File

@ -124,12 +124,12 @@ class App:
text.tag_add(tag, start, end) text.tag_add(tag, start, end)
self.match_text(r'http://\S+', add_link) self.match_text(r'http://\S+', add_link)
def match_text(self, pattern, tag_proc): def match_text(self, pattern, tag_proc, regexp=True):
text = self.text text = self.text
text.mark_set('matchPos', '1.0') text.mark_set('matchPos', '1.0')
count = tk.IntVar() count = tk.IntVar()
while True: while True:
match_index = text.search(pattern, 'matchPos', count=count, regexp=True, stopindex='end') match_index = text.search(pattern, 'matchPos', count=count, regexp=regexp, stopindex='end')
if not match_index: break if not match_index: break
end_index = text.index( "%s+%sc" % (match_index, count.get()) ) end_index = text.index( "%s+%sc" % (match_index, count.get()) )
text.mark_set('matchPos', end_index) text.mark_set('matchPos', end_index)