@InProceedings{TorrećoMatt:1995:OpFlAp,
author = "Torre{\~a}o, Jos{\'e} R. A. and Mattos, Germana M.",
affiliation = "{Departamento de Inform{\'a}tica da Universidade Federal de
Pernambuco (UFPE)} and {Departamento de Inform{\'a}tica da
Universidade Federal de Pernambuco (UFPE)}",
title = "An Optical Flow Approach to Photometric Stereo",
booktitle = "Anais...",
year = "1995",
editor = "Lotufo, Roberto de Alencar and Mascarenhas, Nelson Delfino
d'{\'A}vila",
pages = "213--218",
organization = "Simp{\'o}sio Brasileiro de Computa{\c{c}}{\~a}o Gr{\'a}fica e
Processamento de Imagens, 8. (SIBGRAPI)",
publisher = "Sociedade Brasileira de Computa{\c{c}}{\~a}o",
address = "Porto Alegre",
keywords = "optical Flow, photometric stereo.",
abstract = "We introduce a new approach to photometric stereo (PS) in which
the optical flow resulting from the change of illumination of the
image surface is estimated and used for depth reconstruction
through a structure from-motion scheme. The optical flow of the PS
images is determined via a gradient-based algorithm, while a
least-squares strategy is used for the structure-from-motion
reconstruction, assuming that the irradiance pattern over the
imaged surface undergoes a purely rotational rigid-body motion,
when the illumination direction is changed. Our approach to PS has
been successfully applied in the estimation of shape from both
synthetic and real images of lambertian surfaces.",
conference-location = "S{\~a}o Carlos, SP, Brazil",
conference-year = "25-27 Oct. 1995",
isbn = "978-85-7669-273-7",
language = "en",
ibi = "8JMKD3MGPBW34M/3DJCFKE",
url = "http://urlib.net/ibi/8JMKD3MGPBW34M/3DJCFKE",
targetfile = "27 An optical flow approach.pdf",
type = "Vis{\~a}o por Computador",
urlaccessdate = "2024, Sep. 20"
}