José R. A. Torreão. Shape from Shading and Intensity Gradient. In 13th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2000), 17-20 October 2000, Gramado (RS), Brazil. pages 7-14, IEEE Computer Society, 2000. [doi]
@inproceedings{Torreao00, title = {Shape from Shading and Intensity Gradient}, author = {José R. A. Torreão}, year = {2000}, url = {http://computer.org/proceedings/sibgraphi/0878/08780007abs.htm}, researchr = {https://researchr.org/publication/Torreao00}, cites = {0}, citedby = {0}, pages = {7-14}, booktitle = {13th Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI 2000), 17-20 October 2000, Gramado (RS), Brazil}, publisher = {IEEE Computer Society}, isbn = {0-7695-0878-2}, }