Can't access webcam with OpenCV

Question

I\'m using OpenCV 2.2 with visual studio 2010 on a win 7 64 bit pc.

I\'m able to display pictures and play AVI files through OpenCV as given in the book \"Learning O

Answer 1

I experienced the same problem. My Vaio Webcam LED is on but no image on the screen. Then I tried to export the first frame to a JPEG file and its working. Then I tried to insert a delay of 33ms before capture any frame, this time it works like a charm. Hope this'll help.

Answer 2

Recently I have installed OpenCV 2.2 and NetBeans 6.9.1. I had a problem with camera capture, the image in the window was black but the program runs perfectly, without errors. I had to run NetBeans as admin user to fix this problem.

I hope this can help you all.