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Graph."],"published-print":{"date-parts":[[2012,5,31]]},"abstract":"<jats:p>The reflectance function of a scene point captures the appearance of that point as a function of lighting direction. We present an approach to printing the reflectance functions of an object or scene so that its appearance is modified correctly as a function of the lighting conditions when viewing the print. For example, such a \u201cphotograph\u201d of a statue printed with our approach appears to cast shadows to the right when the \u201cphotograph\u201d is illuminated from the left. Viewing the same print with lighting from the right will cause the statue's shadows to be cast to the left. Beyond shadows, all effects due to the lighting variation, such as Lambertian shading, specularity, and inter-reflection can be reproduced. We achieve this ability by geometrically and photometrically controlling specular highlights on the surface of the print. For a particular viewpoint, arbitrary reflectance functions can be built up at each pixel by controlling only the specular highlights and avoiding significant diffuse reflections. Our initial binary prototype uses halftoning to approximate continuous grayscale reflectance functions.<\/jats:p>","DOI":"10.1145\/2167076.2167078","type":"journal-article","created":{"date-parts":[[2012,6,5]],"date-time":"2012-06-05T17:34:28Z","timestamp":1338917668000},"page":"1-11","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":37,"title":["Printing reflectance functions"],"prefix":"10.1145","volume":"31","author":[{"given":"Tom","family":"Malzbender","sequence":"first","affiliation":[{"name":"Hewlett-Packard Laboratories"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ramin","family":"Samadani","sequence":"additional","affiliation":[{"name":"Hewlett-Packard Laboratories"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Steven","family":"Scher","sequence":"additional","affiliation":[{"name":"University of California Santa Cruz"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adam","family":"Crume","sequence":"additional","affiliation":[{"name":"University of California Santa Cruz"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Douglas","family":"Dunn","sequence":"additional","affiliation":[{"name":"3M"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"James","family":"Davis","sequence":"additional","affiliation":[{"name":"University of California Santa Cruz"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2012,6,5]]},"reference":[{"key":"e_1_2_2_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/1778765.1778797"},{"key":"e_1_2_2_2_1","volume-title":"Proceedings of the Color Imaging: Device Independent Color, Color Hardcopy, and Graphic Arts VI Conference (SPIE).","volume":"4300","author":"Allebach J.","year":"2001"},{"key":"e_1_2_2_3_1","unstructured":"Arce G. 2008. 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U.S. Department of Commerce National Bureau of Standards.  Nicodemus F. Richmond J. and Hsai J. 1977. Geometrical considerations and nomenclature for reflectance. U.S. Department of Commerce National Bureau of Standards.","DOI":"10.6028\/NBS.MONO.160"},{"key":"e_1_2_2_13_1","unstructured":"Padfield J. Saunders D. and Malzbender T. 2005. Polynomial texture mapping: A new tool for examining the surface of paintings. ICOM Committee for Conservation.  Padfield J. Saunders D. and Malzbender T. 2005. Polynomial texture mapping: A new tool for examining the surface of paintings. ICOM Committee for Conservation."},{"key":"e_1_2_2_14_1","unstructured":"Peers P. Hawkins T. and Debevec P. 2006. A reflective light stage. Tech. rep. ICT-TR-04.2006 ICT (USC Institute for Creative Technologies).  Peers P. Hawkins T. and Debevec P. 2006. A reflective light stage. Tech. rep. 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