Itseez/opencv — pull request #3079 by sergregory (2014-08-12 06:07:58+00:00)
Title: Another output format for opencv_createsamples

The format of the training set can be changed with the `-pngoutput` key.
Format of the output training set is suitable for the softcascade
training procedure from VisionWorks.
Output image will be resized to a 640x480 size if greater.