%0 Conference Proceedings
%4 sid.inpe.br/banon/2004/10.04.19.48
%2 sid.inpe.br/banon/2004/10.04.19.48.39
%@doi 10.1109/SIBGRA.2004.1352976
%T Specular reflection reduction with multi-flash imaging
%D 2004
%A Feris, Rogerio Schmidt,
%A Raskar, Ramesh,
%A Tan, Kar-Han,
%A Turk, Matthew,
%@affiliation University of California, Santa Barbara,
%@affiliation Mitsubish Electric Research Labs
%@affiliation University of Illinois, Urbana-Champaign,
%E Araújo, Arnaldo de Albuquerque,
%E Comba, João Luiz Dihl,
%E Navazo, Isabel,
%E Sousa, Antônio Augusto de,
%B Brazilian Symposium on Computer Graphics and Image Processing, 17 (SIBGRAPI) - Ibero-American Symposium on Computer Graphics, 2 (SIACG)
%C Curitiba, PR, Brazil
%8 17-20 Oct. 2004
%I IEEE Computer Society
%J Los Alamitos
%S Proceedings
%K specularities, multi-flash.
%X We present a novel method to reduce the effect of specularities in digital images. Our approach relies on a simple modification of the capture setup: a multi-flash camera is used to take multiple pictures of the scene, each one with a differently positioned light source. We then formulate the problem of specular highlights reduction as solving a Poisson equation on a gradient field obtained from the input images. Experimental results are demonstrated on real and synthetic images. The entire setup can be conceivably packaged into a self-contained device, no larger than existing digital cameras.
%@language en
%3 4452_Feris_R.pdf