2013 M0110213
2013 : M0110213 3DCG 3DCG 3DCG 2D 3DCG 2D 1 1 3DCG 3D
1 1 1.1............................ 1 1.2............................... 10 2 11 2.1......................... 11 3 16 3.1.......................... 16 4 20 4.1......................... 20 22 23 I
1.1 ( c storia Co., Ltd.)............. 2 1.2 ( c )................................... 2 1.3 ( c NHKJapan Broadcasting Corporation).............................. 3 1.4 c NHK Japan Broadcasting Corporation.............................. 4 1.5 ( c NHK Japan Broadcasting Corporation )............................. 4 1.6 ( c NHK Japan Broadcasting Corporation )............................. 4 1.7 ( c ABC )............................ 5 1.8 ( c ABC )................................. 6 1.9 ( c ABC )............................... 7 1.10 ( c NBGI/PROJECT im@s)..... 8 1.11 ( c 2012 NEXON Korea Corporation. G THING SOFT.)........................... 8 3.1............. 17 3.2............. 18 3.3............. 18 3.4............. 18 3.5............ 19 II
3.1................................. 16 III
1 1.1 3 (3DCG) (NPR) NPR 3DCG 3DCG Lake [1] 3D [2] Barla [3] 3D Barla 3DCG Kondo [4] 1
1 1 [5][6][7] [8] [17][10] 1.1 1.2 1.1: ( c storia Co., Ltd.) 1.2: ( c ) 1.3 2
1.3: ( c NHKJapan Broadcasting Corporation) 3DCG 1.3 1.4 1.5 1.6 3
図 1.4: 切り込み型のハイライト上向 図 1.5: 切り込み型のハイライト下向 c Japan Broadcasting c きの例 NHK Japan Broadcasting きの例 ( NHK Corporation ) Corporation c 図 1.6: 横顔のハイライトが短く変化する例 ( NHK Japan Broadcasting Corporation ) アニメ作品で髪の表現は 現実と違い 1 本 1 本の髪の毛ではなく房として表現さ れているため 特徴的な髪の動きに合わせて ハイライトの表現も髪の 1 本では なく房や前髪など大きなまとまりに反射しているように描かれる キャラクター の行動などの動きの他に このような髪の動きやまとまりを表現する手法がある 杉崎ら [11][12] は房としてまとまったセルアニメ調の髪の動きをシミュレーション 4
Noble [13] 3DCG 2D [14][15][16] [17] [18] 3D 1.7 1.7: ( c ABC ) 5
1.8 1.9 2D 2D 3D 2D 1 1 1.8: ( c ABC ) 6
1.9: ( c ABC ) 1 2D 1.10 3D 1.11 7
1.11: 1.10: ( c 2012 NEXON Korea Corporation. ( c NBGI/PROJECT im@s) G THING SOFT.) [19] 2D Shin [20] 8
2D 1.3 3DCG 2D 1 9
2D 3DCG 2D 1.2 4 2 2D 3DCG 3 4 10
2 2.1 3 3 CPU 3 1 11
2 3 UV d = A N A N e g A f (2.1) eg 2 + f < A N < eg 2 + f (2.1) A f 12
h k i j f (2.2) f = max(min(h + k, i), j) (2.2) k B C B C D D (2.3) D = B C C 2 C (2.3) Y = (0, 1, 0) (2.4) D k (2.4) k = D Y (2.4) g 13
l m n g (2.5) g = min(l m n, 1) (2.5) l O P E = P O P O E A F (2.6) F = E A (2.6) (2.6) F N l (2.7) l = F N + 1 2 (2.7) m A B G = A B H H B I H G J I J K K (2.8) K = H B B 2 B + H G G 2 G (2.8) r B (2.8) K m (2.9) 14
m = min( K B + 1, 1 r) (2.9) K 15
3 3.1 2 3.1 3.1: OS Windows7 CPU AMD Phenom (tm) II X6 1090T 3.20 GHz GPU GeForce GTX 470 2D 16
3.1 3.2 3.3 3.4 3.1: 17
3.2: 3.3: 3.4: 18
3.5: 19
4 4.1 3DCG 2D 2D 2D 3 2D 3DCG 20
1 2D 21
22
[1] Lake A, Marshall C, Harris M, Blackstein, Stylized rendering techniques for scalable real-time 3D animation. Proceedings of Non-Photorealistic Animation and Rendering2000,13-20. [2] Hideki Todo, Ken-ichi Anjyo, William Baxter, Takeo Igarashi,Locally Controllable Stylized Shading, ACM Transactions on Graphics Volume 26, Issue 3, Article No.17 (SIGGRAPH2007), 2007.8 [3] An extended toon shader, Pascal Barla; Joelle Thollot; Lee Markosian, X-Toon, International Symposium on Non-Photorealistic Animation and Rendering (NPAR), 2006 [4] Ryo Kondo, Takashi Kanai, Kenichi Anjo, DirectableAnimationofElasticObjects, ACM SIGGRAPHSymposium on Computer Animation (2005). [5],,, 2010. [6],,, 2010. [7],,, 2008. 23
[8],, Memories of shonan institute of technology vol 47, No.1,2012. [9], no.08,, 2007. [10] 4Gamer.net,, <http://www.4gamer.net/games/000/g000000/20121009072/>. [11] Eiji Sugisaki and Yizhou Yu, Simulation-based cartoon hair animation, In 13th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision WSCG 05. [12] Eiji sugisaki, Computer-Assisted Animation Creation Techniques for Hair Animation and Shade, Highlight, and Shadow.Waseda University 2010. [13] P Noble, W Tang, Modelling and Animating Cartoon Hair with NURBS Surfaces, Proc. CG International 2004, pp. 60-67. [14] D-Creation,, <http://d-creation.sblo.jp/archives/200609-1.html>. [15] Moch Blog,, <http://mochmoch.blog88.fc2.com/blog-entry-75.html>. [16],, <http://blog.livedoor.jp/hutariwap/archives/4084302.html>. [17], CGWORLD vol.166,, 2012. [18], 2013 CG- WORLD,, 2012. 24
[19] Ken-ichi Anjo, William Baxter, Shuhei Wemler, Tweakable Light and Shade for Cartoon Animation, Proceedings of the 4th international symposium on Non-photorealistic animation and rendering, 2006. [20] Shin J, Haller M, Mukundan R, A stylized cartoon hair renderer. Hollywood, CA, ACM SIGCHI International Conference on Advances in Computer Entertainment Technology (ACE 06), 14-16 Jun 2006. 25