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Conclusions obtained included the effect of global illumination on the accuracy of the final composite rendering. Also, it was discovered that the original rendering with all of its artifacts is not necessarily an indicator of the final composite image's judged accuracy. Finally, initial results show promise in using iCAM to predict a relationship similar to the psychophysics, which could eventually be used in-the-rendering-loop to achieve photorealism with minimized computation.<\/jats:p>","DOI":"10.1145\/1462055.1462057","type":"journal-article","created":{"date-parts":[[2009,2,25]],"date-time":"2009-02-25T14:44:30Z","timestamp":1235573070000},"page":"1-22","update-policy":"http:\/\/dx.doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["A psychophysical investigation of global illumination algorithms used in augmented reality"],"prefix":"10.1145","volume":"6","author":[{"given":"Timothy J.","family":"Hattenberger","sequence":"first","affiliation":[{"name":"Rochester Institute of Technology, Rochester, NY"}]},{"given":"Mark D.","family":"Fairchild","sequence":"additional","affiliation":[{"name":"Rochester Institute of Technology, Rochester, NY"}]},{"given":"Garrett M.","family":"Johnson","sequence":"additional","affiliation":[{"name":"Rochester Institute of Technology, Rochester, NY"}]},{"given":"Carl","family":"Salvaggio","sequence":"additional","affiliation":[{"name":"Rochester Institute of Technology, Rochester, NY"}]}],"member":"320","published-online":{"date-parts":[[2009,2,25]]},"reference":[{"key":"e_1_2_1_1_1","unstructured":"Stratasys Inc. 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