{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T00:29:34Z","timestamp":1790382574506,"version":"4.1.0"},"reference-count":21,"publisher":"Association for Computing Machinery (ACM)","issue":"4","license":[{"start":{"date-parts":[[2015,7,27]],"date-time":"2015-07-27T00:00:00Z","timestamp":1437955200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["ACM Trans. Graph."],"published-print":{"date-parts":[[2015,7,27]]},"abstract":"<jats:p>We present a new approach for the reproduction of color images on a metallic substrate that look bright and colorful under specular reflection observation conditions and also look good under non-specular reflection observation conditions. We fit amounts of both the white ink and the classical cyan, magenta and yellow inks according to a formula optimizing the reproduction of colors simultaneously under specular and non-specular observation conditions. In addition, we can hide patterns such as text or graphical symbols in one viewing mode, specular or non-specular, and reveal them in the other viewing mode. We rely on the trade-off between amounts of white diffuse ink and amounts of cyan, magenta and yellow inks to control lightness in specular and in non-specular observation conditions. Further effects are grayscale images that alternate from a first image to a second independent image when tilting the print from specular to non-specular reflection observation conditions. Applications comprise art and entertainment, publicity, posters, as well as document security.<\/jats:p>","DOI":"10.1145\/2766944","type":"journal-article","created":{"date-parts":[[2015,7,28]],"date-time":"2015-07-28T12:26:38Z","timestamp":1438086398000},"page":"1-10","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":8,"title":["Color imaging and pattern hiding on a metallic substrate"],"prefix":"10.1145","volume":"34","author":[{"given":"Petar","family":"Pjanic","sequence":"first","affiliation":[{"name":"Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL)"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roger D.","family":"Hersch","sequence":"additional","affiliation":[{"name":"Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL)"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2015,7,27]]},"reference":[{"key":"e_1_2_2_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/1778765.1778797"},{"key":"e_1_2_2_2_1","doi-asserted-by":"publisher","DOI":"10.1117\/1.482694"},{"key":"e_1_2_2_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1467-8659.2012.03038.x"},{"key":"e_1_2_2_4_1","doi-asserted-by":"publisher","DOI":"10.1109\/2945.817351"},{"key":"e_1_2_2_5_1","doi-asserted-by":"publisher","DOI":"10.1145\/2185520.2185536"},{"key":"e_1_2_2_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/2601097.2601140"},{"key":"e_1_2_2_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/882262.882288"},{"key":"e_1_2_2_8_1","doi-asserted-by":"publisher","DOI":"10.1145\/2461912.2461989"},{"key":"e_1_2_2_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/2461912.2461981"},{"key":"e_1_2_2_10_1","doi-asserted-by":"publisher","DOI":"10.1145\/2167076.2167078"},{"key":"e_1_2_2_11_1","doi-asserted-by":"publisher","DOI":"10.1145\/1618452.1618474"},{"key":"e_1_2_2_12_1","volume-title":"Colorimetry: Understanding the CIE system","author":"Morovic J.","year":"2007","unstructured":"Morovic , J. , and Lammens , J . 2007 . Color Management, in Colorimetry: Understanding the CIE system , (Ed. J. Schanda), Chapter 7, J. Wiley , 159--206. Morovic, J., and Lammens, J. 2007. Color Management, in Colorimetry: Understanding the CIE system, (Ed. J. Schanda), Chapter 7, J. Wiley, 159--206."},{"key":"e_1_2_2_13_1","doi-asserted-by":"crossref","first-page":"283","DOI":"10.2352\/J.ImagingSci.Technol.2001.45.3.art00013","article-title":"The fundamentals of gamut mapping: A survey","volume":"45","author":"Morovic J.","year":"2001","unstructured":"Morovic , J. , Luo , M. R. 2001 . The fundamentals of gamut mapping: A survey , Journal of Imaging Science and Technology 45 , 3, 283 -- 290 . Morovic, J., Luo, M. R. 2001. The fundamentals of gamut mapping: A survey, Journal of Imaging Science and Technology 45, 3, 283--290.","journal-title":"Journal of Imaging Science and Technology"},{"key":"e_1_2_2_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/col.10177"},{"key":"e_1_2_2_15_1","doi-asserted-by":"publisher","DOI":"10.1145\/2366145.2366205"},{"key":"e_1_2_2_16_1","volume-title":"Proc. IS&T 21st Color Imaging Conference, 61--68","author":"Pjanic P.","year":"2013","unstructured":"Pjanic , P. , Hersch , R. D. 2013 . Specular color imaging on a metallic substrate , In Proc. IS&T 21st Color Imaging Conference, 61--68 . Pjanic, P., Hersch, R. D. 2013. Specular color imaging on a metallic substrate, In Proc. IS&T 21st Color Imaging Conference, 61--68."},{"key":"e_1_2_2_17_1","volume-title":"Proc. IS&T 18th Color Imaging Conference, 295--300","author":"Rossier R.","year":"2010","unstructured":"Rossier , R. , Hersch , R. D. 2010 . Introducing ink spreading within the cellular Yule-Nielsen modified Neugebauer model , In Proc. IS&T 18th Color Imaging Conference, 295--300 . Rossier, R., Hersch, R. D. 2010. Introducing ink spreading within the cellular Yule-Nielsen modified Neugebauer model, In Proc. IS&T 18th Color Imaging Conference, 295--300."},{"key":"e_1_2_2_18_1","volume-title":"Digital Color Imaging Handbook","author":"Sharma G.","unstructured":"Sharma , G. 2003. Color fundamentals for digital imaging , in Digital Color Imaging Handbook (G. Sharma Ed.), Chapter 1, CRC Press , 1--114. Sharma, G. 2003. Color fundamentals for digital imaging, in Digital Color Imaging Handbook (G. Sharma Ed.), Chapter 1, CRC Press, 1--114."},{"key":"e_1_2_2_19_1","doi-asserted-by":"publisher","DOI":"10.1145\/280814.280889"},{"key":"e_1_2_2_20_1","volume-title":"Color Science","author":"Wyscecki G.","year":"1982","unstructured":"Wyscecki G. , and Stiles W. S. , Color Science , J. Wiley , 1982 . Wyscecki G., and Stiles W. 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