My work is of course CC3 share alike.
The qt script is based on the runQProcess script by http://toto-share.com/author/totosugito/ Download original: http://toto-share.com/2011/07/qt-qprocess-tutorial/
The workflow is based on the original tutorial_demo.py file (see openMVG main project)
I don't own any of the pictures, that have been attached for testing purposes (ImageDataset_SceauxCastle) Image of "Chateau de Sceaux", Sceaux castle. France. Photographer: Copyright 2012 Pierre MOULON http://imagine.enpc.fr/~moulonp/