Image-based modeling using a two-step camera calibration method. - Paulo C. P. Carvalho; Flávio Szenberg; Marcelo Gattass (SIBGRAPI, 1998)

Automatic Camera Calibration for Image Sequences of a Football Match. - Flávio Szenberg; Paulo Cezar Pinto Carvalho; Marcelo Gattass (ICAPR, 2001)

Acompanhamento de Cenas com CALIBRAçãO AutomáTICA de CâMeras. - Flávio Szenberg (2001)