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250: 名前は開発中のものです。 [sage] 02/02/05 21:13 ID:??? ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/250
251: 名前は開発中のものです。 [sage] 02/02/05 21:14 ID:??? Let's talk about Prefiltered Environment Mapping! Environment maps are a widely used techniques to approximate reflections ininteractive rendering. Although environment maps make the assumption that the reflected environment is far away - thus being an approximation - they often nevertheless achieve convincing reflections. Recently environment maps have been introduced as a means to render glossy reflections. All of these methods prefilter a given environment map with either a fixed reflection model or a certain class of BRDF's(bidirectional reflectance distribution functions). Although these methods are similar,they have different strengths and weakness,which are worthwhile to discuss. In order to be able to compare these methods we present a general notation of prefiltered environment maps,which allows us to classify and contrast all the well-known prefiltering techniques. http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/251
252: 名前は開発中のものです。 [sage] 02/02/05 21:15 ID:??? ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼ http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/252
253: 名前は開発中のものです。 [sage] 02/02/05 21:22 ID:??? We consider the rendering of diffuse objects under distant illumination, as specified by an environment map. Using an analytic expression for the irradiance in terms of spherical harmonic coefficients of the lighting, we show that one needs to compute and use only 9 coefficients, corresponding to the lowest-frequency modes of the illumination, in order to achieve average errors of only 1%. In other words, the irradiance is insensitive to high frequencies in the lighting, and is well approximated using only 9 parameters. In fact, we show that the irradiance can be procedurally represented simply as a quadratic polynomial in the cartesian components of the surface normal, and give explicit formulae. These observations lead to a simple and efficient procedural rendering algorithm amenable to hardware implementation, a prefiltering method up to three orders of magnitude faster than previous techniques, and new representations for lighting design and image-based rendering. http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/253
254: 名前は開発中のものです。 [sage] 02/02/05 21:24 ID:??? Great!!! http://www.mpi-sb.mpg.de/~jnkautz/ http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/254
255: 名前は開発中のものです。 [sage] 02/02/05 21:26 ID:??? ▼゚Д。▼cuff▼ http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/255
256: 名前は開発中のものです。 [sage] 02/02/05 21:27 ID:??? This is a desk. http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/256
257: 名前は開発中のものです。 [sage] 02/02/05 21:28 ID:??? My nama is nanasi. http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/257
258: 名前は開発中のものです。 [sage] 02/02/05 21:30 ID:??? How are yu? http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/258
259: 名前は開発中のものです。 [sage] 02/02/05 21:31 ID:??? Im fine. http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/259
260: 名前は開発中のものです。 [sage] 02/02/05 21:34 ID:??? Do you like cuff? I love cuff! http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/260
261: 名前は開発中のものです。 [sage] 02/02/05 21:37 ID:??? We consider the rendering of diffuse objects under distant illumination, as specified by an environment map. 環境マップで指定される遠方の照明下の、 ディフューズオブジェクトのレンダリングを考える。 http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/261
262: 名前は開発中のものです。 [sage] 02/02/05 21:40 ID:??? Do you know cuff ? cuff:平手打ち(をくわす) http://dictionary2.goo.ne.jp/ej/voice/C/01010653.wav http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/262
263: 名前は開発中のものです。 [sage] 02/02/05 21:47 ID:??? >>253 http://graphics.stanford.edu/papers/envmap/ http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/263
264: 名前は開発中のものです。 [sage] 02/02/05 21:55 ID:??? ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼ http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/264
265: 名前は開発中のものです。 [sage] 02/02/05 21:56 ID:??? >>251 http://www.cs.ubc.ca/~heidrich/Papers/RW.00_2.pdf http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/265
266: 名前は開発中のものです。 [sage] 02/02/05 21:56 ID:??? Using an analytic expression for the irradiance in terms of spherical harmonic coefficients of the lighting, we show that one needs to compute and use only 9 coefficients, corresponding to the lowest-frequency modes of the illumination, in order to achieve average errors of only 1%. ライティングの球形高調波係数の関係に基づいた放射表現解析を用いることで、 たった1%の平均誤差を達成するために照明の低周波モードに相当する、 わずか9つの係数を用いた計算で必要を満たすことを示す。 #添削希望 http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/266
267: 名前は開発中のものです。 [sage] 02/02/05 21:56 ID:??? ▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼゚Д。▼cuff▼ http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/267
268: 名前は開発中のものです。 [sage] 02/02/05 21:57 ID:??? ▼゚Д。▼cuff▼゚Д。▼cuff▼ http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/268
269: 名前は開発中のものです。 [sage] 02/02/05 21:59 ID:??? In other words, the irradiance is insensitive to high frequencies in the lighting, and is well approximated using only 9 parameters. 言いかえれば、照明のアイラディアンスは高周波を無視すれば、 たった9つのパラメーターで上手く近似される。 http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/269
270: 名前は開発中のものです。 [age] 02/02/05 22:01 ID:??? ▼゚Д。▼cuff▼゚Д。▼ http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/270
271: 名前は開発中のものです。 [sage] 02/02/05 22:01 ID:??? このスレは翻訳機能も装備いたしました。 高度な3D技術の議論にお役立て下さい。 http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/271
272: 名前は開発中のものです。 [sage] 02/02/05 22:01 ID:??? down http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/272
273: 名前は開発中のものです。 [sage] 02/02/05 22:02 ID:??? ×アイラディアンス ○イラディアンス http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/273
274: 名前は開発中のものです。 [sage] 02/02/05 22:02 ID:??? Are you cuff? http://mevius.5ch.net/test/read.cgi/gamedev/1012625860/274
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