Automatic 3 D Solid Texture Synthesis from a

  • Slides: 21
Download presentation
Automatic 3 D Solid Texture Synthesis from 論文口試委員 a 2 D Image 陳炳宇 (台大資管)

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

Introduction • Texture mapping – Distortion – Discontinuity Automatic 3 D Solid Texture Synthesis

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

Related Works • • Visual Hull Solid Texture Collision Detection & Prevention Tri-map Automatic

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

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

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

Solid Textures • Dischler et al. ’s – Spectral – Spatial – One to

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

Solid Textures • Texture Evolution – Yisong Chen & Horace H. S. Ip Automatic

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

Solid Textures • Stereological Techniques for Solid Textures – Robert Jagnow, Julie Dorsey &

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

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

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

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

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

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

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

Particle volume cross sections • Random directions Automatic 3 D Solid Texture Synthesis from

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

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

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

H. P. M with SPTH • Size Pool Thres. Hold – 2 vs 5

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

Comparison • Totally random v. s. H. P. M. – Small edge effect Automatic

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

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

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

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

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

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

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

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

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

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

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

Conclusion • Solid texture synthesis – 2 D analysis – 3 D synthesis •

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