乐胖代购免代理版

{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,9,20]],"date-time":"2024-09-20T15:35:24Z","timestamp":1726846524472},"reference-count":44,"publisher":"Association for Computing Machinery (ACM)","issue":"3","content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["ACM Trans. Graph."],"published-print":{"date-parts":[[2002,7]]},"abstract":"\n We present a new, real-time method for rendering diffuse and glossy objects in low-frequency lighting environments that captures soft shadows, interreflections, and caustics. As a preprocess, a novel global transport simulator creates functions over the object's surface representing transfer of arbitrary, low-frequency incident lighting into\n transferred radiance<\/jats:italic>\n which includes global effects like shadows and interreflections from the object onto itself. At run-time, these transfer functions are applied to actual incident lighting. Dynamic, local lighting is handled by sampling it close to the object every frame; the object can also be rigidly rotated with respect to the lighting and vice versa. Lighting and transfer functions are represented using low-order spherical harmonics. This avoids aliasing and evaluates efficiently on graphics hardware by reducing the shading integral to a dot product of 9 to 25 element vectors for diffuse receivers. Glossy objects are handled using matrices rather than vectors. We further introduce functions for radiance transfer from a dynamic lighting environment through a preprocessed object to neighboring points in space. These allow soft shadows and caustics from rigidly moving objects to be cast onto arbitrary, dynamic receivers. We demonstrate real-time global lighting effects with this approach.\n <\/jats:p>","DOI":"10.1145\/566654.566612","type":"journal-article","created":{"date-parts":[[2002,10,7]],"date-time":"2002-10-07T13:52:47Z","timestamp":1033998767000},"page":"527-536","update-policy":"http:\/\/dx.doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":364,"title":["Precomputed radiance transfer for real-time rendering in dynamic, low-frequency lighting environments"],"prefix":"10.1145","volume":"21","author":[{"given":"Peter-Pike","family":"Sloan","sequence":"first","affiliation":[{"name":"Microsoft Research"}]},{"given":"Jan","family":"Kautz","sequence":"additional","affiliation":[{"name":"Max-Planck-Institut f\u00fcr Informatik"}]},{"given":"John","family":"Snyder","sequence":"additional","affiliation":[{"name":"Microsoft Research"}]}],"member":"320","published-online":{"date-parts":[[2002,7]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1145\/344779.344954"},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/91385.91416"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1145\/504789.504790"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1145\/37401.37434"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1145\/311535.311553"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.5555\/154731"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/800031.808590"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1145\/280814.280864"},{"key":"e_1_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/344779.344855"},{"key":"e_1_2_1_10_1","first-page":"229","volume-title":"Eurographics '95","author":"DOBASHI Y","unstructured":"DOBASHI , Y , KANEDA , K , NAKATANI , H , AND YAMASHITA , H, A Quick Rendering Method Using Basis Functions for Interactive Lighting Design , Eurographics '95 , 229 - 240 . 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