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2013-09-24 16:31:56 -0600 answered a question How to start camera in OpenCV and draw a rectangle on a detection? Nullpointer exception.

I tried your program and the null pointer exception was resolved just giving memory to the storage in the loop:

storage = cvCreateMemStorage(0);

Hope will help you!

2013-09-19 17:00:38 -0600 commented question How to start camera in OpenCV and draw a rectangle on a detection? Nullpointer exception.

I tried your program and the null pointer exception was resolved just giving memory to the storage in the loop: storage = cvCreateMemStorage(0);

Hope will help you!