{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,26]],"date-time":"2023-10-26T13:42:42Z","timestamp":1698327762701},"reference-count":11,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2007,3,21]],"date-time":"2007-03-21T00:00:00Z","timestamp":1174435200000},"content-version":"vor","delay-in-days":4462,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Systems &amp;amp; Computers in Japan"],"published-print":{"date-parts":[[1995,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The authors previously proposed the reflection integration method which generates a realistic image of objects, and the precise rendering method which accurately eliminates aliasing of images. The two methods have a common process which precisely integrates reflected lights over a unit sphere. Since this process involves a large amount of computation, accelerating the process is desired.<\/jats:p><jats:p>The present paper proposes a procedure which significantly reduces the computation without sacrificing its accuracy by using an adaptive sampling table. For a part on an object where a light is sharply reflected, the reflected light sharply reduces depending on directions. The proposed procedure uses the table which nonlinearly subdivides reflection direction; precisely where a reflected light changes sharply and roughly at rest. As a result, a full\u2010color image can be generated with a sufficient accuracy with 90 \u00d7 90 divisions in the table. This adaptive table reduces the computation time for the integration of reflection lights on a semisphere to one\u2010tenth the previous method, which is equivalent to the reduction of a total image generation time by 40 to 60 percent.<\/jats:p>","DOI":"10.1002\/scj.4690261103","type":"journal-article","created":{"date-parts":[[2007,7,8]],"date-time":"2007-07-08T03:28:44Z","timestamp":1183865324000},"page":"26-37","source":"Crossref","is-referenced-by-count":0,"title":["Fast and accurate image generation with adaptive tables"],"prefix":"10.1002","volume":"26","author":[{"given":"Toshimitsu","family":"Tanaka","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tokiichiro","family":"Takahashi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,3,21]]},"reference":[{"issue":"11","key":"e_1_2_1_2_2","first-page":"1383","article-title":"Shading method for objects illuminated by area light sources","volume":"32","author":"Tanaka T.","year":"1991","journal-title":"Trans. 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