Automatic 3D Solid Texture Synthesis from a 2D Image Jia-Wei Chiou 邱家瑋 Computer Graphics & Multimedia Lab., NTUST 論文口試委員 陳炳宇 ( 台大資管 ) 項天瑞 ( 台科資工 ) 楊傳凱 ( 台科資管 ) 歡迎蒞臨指教

Automatic 3D Solid Texture Synthesis from a 2D Image 2 Introduction Texture mapping –Distortion –Discontinuity

Automatic 3D Solid Texture Synthesis from a 2D Image 3 Related Works Visual Hull Solid Texture Collision Detection & Prevention Tri-map

Automatic 3D Solid Texture Synthesis from a 2D Image 4 Visual Hull

Automatic 3D Solid Texture Synthesis from a 2D Image 5 Solid Textures Dischler et al.’s –Spectral –Spatial –One to many inputs

Automatic 3D Solid Texture Synthesis from a 2D Image 6 Solid Textures Texture Evolution –Yisong Chen & Horace H.S. Ip

Automatic 3D Solid Texture Synthesis from a 2D Image 7 Solid Textures Stereological Techniques for Solid Textures –Robert Jagnow, Julie Dorsey & Holly Rushmeier –SIGGRAPH 2004

System overview 2D analysis phase 3D synthesis phase (particle by particle)

Automatic 3D Solid Texture Synthesis from a 2D Image 9 Dimensions a ≦ b ≦ c

Automatic 3D Solid Texture Synthesis from a 2D Image 10 Collision-Free data structures

Automatic 3D Solid Texture Synthesis from a 2D Image 11 Particle volume cross sections Random directions

Automatic 3D Solid Texture Synthesis from a 2D Image 12 Hierarchical Probability Model

Automatic 3D Solid Texture Synthesis from a 2D Image 13 H.P.M with SPTH Size Pool ThresHold –2 vs 5

Automatic 3D Solid Texture Synthesis from a 2D Image 14 Comparison Totally random v.s. H.P.M. –Small edge effect

Automatic 3D Solid Texture Synthesis from a 2D Image 15 Residual Separation

Automatic 3D Solid Texture Synthesis from a 2D Image 16 Final cement filling

Automatic 3D Solid Texture Synthesis from a 2D Image 17 Bunny

Automatic 3D Solid Texture Synthesis from a 2D Image 18 X-Y-Z Intersections

Automatic 3D Solid Texture Synthesis from a 2D Image 19 Results

Automatic 3D Solid Texture Synthesis from a 2D Image 20 Conclusion Solid texture synthesis –2D analysis –3D synthesis Future work –Other materials & combination Anisotropic & Texture in texture –Segmentation & user interface –Curve fitting

Thank you. Automatic 3D Solid Texture Synthesis from a 2D Image 論文口試委員 陳炳宇 ( 台大資管 ) 項天瑞 ( 台科資工 ) 楊傳凱 ( 台科資管 ) 感謝蒞臨指教