Automatic 3D Solid Texture Synthesis froma 2D Image

Automatic 3D Solid Texture Synthesis froma 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

IntroductionIntroduction

• Texture mapping– Distortion– Discontinuity

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Related WorksRelated Works

• Visual Hull

• Solid Texture

• Collision Detection & Prevention

• Tri-map

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Visual HullVisual Hull

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Solid TexturesSolid Textures

• Dischler et al.’s – Spectral– Spatial– One to many inputs

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Solid TexturesSolid Textures

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

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Solid TexturesSolid Textures

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

Rushmeier – SIGGRAPH 2004

System overviewSystem overview

2D analysis phase

3D synthesis phase (particle by particle)

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Dimensionsa b ≦ ≦ c

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Collision-Free data structuresCollision-Free data structures

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Particle volume cross sectionsParticle volume cross sections

• Random directions

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Hierarchical Probability Model Hierarchical Probability Model

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H.P.M with SPTHH.P.M with SPTH

• Size Pool ThresHold– 2 vs 5

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ComparisonComparison

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

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Residual SeparationResidual Separation

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Final cement fillingFinal cement filling

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BunnyBunny

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X-Y-Z IntersectionsX-Y-Z Intersections

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ResultsResults

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ConclusionConclusion

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

• Future work– Other materials & combination

• Anisotropic & Texture in texture

– Segmentation & user interface– Curve fitting

Thank you.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