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python Programming Glossary: cv.capturefromcam

Displaying webcam feed using opencv and python

http://stackoverflow.com/questions/2601194/displaying-webcam-feed-using-opencv-and-python

import cv cv.NamedWindow w1 cv.CV_WINDOW_AUTOSIZE capture cv.CaptureFromCAM 0 def repeat frame cv.QueryFrame capture cv.ShowImage w1 frame.. that my webcam sometimes changes its index number in cv.CaptureFromCAM and sometimes I need to put in 0 1 or 2 even though I only have.. you could do something like this for i in range 3 capture cv.CaptureFromCAM i if capture break This will find the index of the first working..

How do I track motion using OpenCV in Python?

http://stackoverflow.com/questions/3374828/how-do-i-track-motion-using-opencv-in-python

import cv class Target def __init__ self self.capture cv.CaptureFromCAM 0 cv.NamedWindow Target 1 def run self # Capture first frame..

Capture Image as Array with Python OpenCV

http://stackoverflow.com/questions/3528813/capture-image-as-array-with-python-opencv

do I get the image captured as an array import cv capture cv.CaptureFromCAM 0 img cv.QueryFrame capture img.tostring gives me weird caracters...

Python OpenCV: Detecting a general direction of movement?

http://stackoverflow.com/questions/4496063/python-opencv-detecting-a-general-direction-of-movement

cv numpy class Target def __init__ self self.capture cv.CaptureFromCAM 0 cv.NamedWindow Target 1 def run self # Capture first frame..

Pipe raw OpenCV images to FFmpeg

http://stackoverflow.com/questions/5825173/pipe-raw-opencv-images-to-ffmpeg

python bindings '''capture.py''' import cv sys cap cv.CaptureFromCAM 0 # 0 is for dev video0 while True if not cv.GrabFrame cap..

cant find ReleaseCapture in opencv while using python?

http://stackoverflow.com/questions/6691546/cant-find-releasecapture-in-opencv-while-using-python

cam capture which has been acquired by the API call camera cv.CaptureFromCAM 1 How can I release it. There is a function named ReleaseCapture.. I found a similar answered question here capture cv.CaptureFromCAM 0 frame cv.QueryFrame capture #some code ... del capture be..

Error while trying to save webcam picture with OpenCV

http://stackoverflow.com/questions/8917767/error-while-trying-to-save-webcam-picture-with-opencv

to save webcam picture with OpenCV import cv capture cv.CaptureFromCAM 0 img cv.QueryFrame capture cv.SaveImage test.JPG img Hi I just..