SName: "BREC: The Built-up area RECognition tool"
Authors: Gamba P., Dell'Acqua F., Iannelli G., Lisini, G. - all from University of Pavia
User Manual:
    http://www.globalquakemodel.org/media/publication/DATA-CAPTURE-GEM-Userguide-Footprint-Homogenous-Zones-201401-V01.pdf

More info:
    http://www.globalquakemodel.org/what/physical-integrated-risk/inventory-capture-tools/

Please note that the plugin works with QGIS version 1.x (not 2.x) on Windows (32 or 64bit) or Linux (64bit only).