Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe...
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Transcript of Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe...
![Page 1: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/1.jpg)
Lapped TexturesLapped Textures
Emil PraunEmil Praun
Adam FinkelsteinAdam Finkelstein
Hugues HoppeHugues Hoppe
Emil PraunEmil Praun
Adam FinkelsteinAdam Finkelstein
Hugues HoppeHugues Hoppe
Princeton UniversityPrinceton University
Princeton UniversityPrinceton University
Microsoft ResearchMicrosoft Research
Princeton UniversityPrinceton University
Princeton UniversityPrinceton University
Microsoft ResearchMicrosoft Research
![Page 2: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/2.jpg)
GoalGoal
“example” image“example” image
textured surfacetextured surface
mesh geometrymesh geometry
?
![Page 3: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/3.jpg)
GoalGoal
Little user effortLittle user effort
No apparent seamsNo apparent seams
No obvious periodicityNo obvious periodicity
Low distortionLow distortion
Local texture controlLocal texture control
AnisotropyAnisotropy
Little user effortLittle user effort
No apparent seamsNo apparent seams
No obvious periodicityNo obvious periodicity
Low distortionLow distortion
Local texture controlLocal texture control
AnisotropyAnisotropy
![Page 4: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/4.jpg)
Previous 2D Texture SynthesisPrevious 2D Texture Synthesis
Histogram equalization [Heeger ’96]Histogram equalization [Heeger ’96]
Laplacian block shuffling [de Bonet ’97]Laplacian block shuffling [de Bonet ’97]
Pixel template matching [Efros ’99] [Wei ’00]Pixel template matching [Efros ’99] [Wei ’00]
Histogram equalization [Heeger ’96]Histogram equalization [Heeger ’96]
Laplacian block shuffling [de Bonet ’97]Laplacian block shuffling [de Bonet ’97]
Pixel template matching [Efros ’99] [Wei ’00]Pixel template matching [Efros ’99] [Wei ’00]
![Page 5: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/5.jpg)
Histogram equalization [Heeger ’96]Histogram equalization [Heeger ’96]
Laplacian block shuffling [de Bonet ’97]Laplacian block shuffling [de Bonet ’97]
Pixel template matching [Efros ’99] [Wei Pixel template matching [Efros ’99] [Wei ’00’00]]
Random pasting of image blocks [Xu ’00]Random pasting of image blocks [Xu ’00]
Histogram equalization [Heeger ’96]Histogram equalization [Heeger ’96]
Laplacian block shuffling [de Bonet ’97]Laplacian block shuffling [de Bonet ’97]
Pixel template matching [Efros ’99] [Wei Pixel template matching [Efros ’99] [Wei ’00’00]]
Random pasting of image blocks [Xu ’00]Random pasting of image blocks [Xu ’00]
Previous 2D Texture SynthesisPrevious 2D Texture Synthesis
![Page 6: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/6.jpg)
Previous 3D TexturingPrevious 3D Texturing
Volumetric textures:Volumetric textures:
• Noise functions [Perlin ’85, Worley ’96]Noise functions [Perlin ’85, Worley ’96]
• Solid textures by example [Ghazanfarpour ’96]Solid textures by example [Ghazanfarpour ’96]
Synthesizing texture on a surface:Synthesizing texture on a surface:
• Reaction-diffusion [Turk ’91, Witkin ’91] Reaction-diffusion [Turk ’91, Witkin ’91]
• Cellular textures [Fleischer ’95]Cellular textures [Fleischer ’95]
• Covering surface with triangular tiles [Neyret ’99] Covering surface with triangular tiles [Neyret ’99]
Volumetric textures:Volumetric textures:
• Noise functions [Perlin ’85, Worley ’96]Noise functions [Perlin ’85, Worley ’96]
• Solid textures by example [Ghazanfarpour ’96]Solid textures by example [Ghazanfarpour ’96]
Synthesizing texture on a surface:Synthesizing texture on a surface:
• Reaction-diffusion [Turk ’91, Witkin ’91] Reaction-diffusion [Turk ’91, Witkin ’91]
• Cellular textures [Fleischer ’95]Cellular textures [Fleischer ’95]
• Covering surface with triangular tiles [Neyret ’99] Covering surface with triangular tiles [Neyret ’99]
![Page 7: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/7.jpg)
ApproachApproach
texture patchtexture patch
surfacesurface
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Key Idea: Patch PastingKey Idea: Patch Pasting
texture patchtexture patchtexture patchtexture patch
surfacesurfacesurfacesurface““lapped textures”lapped textures”
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PROCESSPROCESS
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AlgorithmAlgorithm
texture patchtexture patch
surfacesurface
![Page 11: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/11.jpg)
AlgorithmAlgorithm
texture patchtexture patch
surfacesurface
![Page 12: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/12.jpg)
AlgorithmAlgorithm
texture patchtexture patch
surfacesurface
![Page 13: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/13.jpg)
AlgorithmAlgorithm
texture patchtexture patch
surfacesurface
![Page 14: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/14.jpg)
IssuesIssues
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
![Page 15: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/15.jpg)
IssuesIssues
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
![Page 16: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/16.jpg)
Texture Patch CreationTexture Patch Creation
![Page 17: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/17.jpg)
Less Structure SplotchLess Structure Splotch
![Page 18: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/18.jpg)
IssuesIssues
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
![Page 19: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/19.jpg)
Direction Field: User-specifiedDirection Field: User-specified
![Page 20: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/20.jpg)
Direction Field: Local to PatchDirection Field: Local to Patch
![Page 21: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/21.jpg)
IssuesIssues
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
![Page 22: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/22.jpg)
Patch GrowthPatch Growth
![Page 23: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/23.jpg)
Patch GrowthPatch Growth
![Page 24: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/24.jpg)
Patch GrowthPatch Growth
![Page 25: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/25.jpg)
Patch GrowthPatch Growth
![Page 26: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/26.jpg)
Patch GrowthPatch Growth
![Page 27: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/27.jpg)
Patch GrowthPatch Growth
![Page 28: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/28.jpg)
Patch GrowthPatch Growth
![Page 29: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/29.jpg)
IssuesIssues
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
![Page 30: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/30.jpg)
Align Patch to Direction FieldAlign Patch to Direction Field
texture patchtexture patch
surfacesurface
![Page 31: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/31.jpg)
Tangential Vector FieldTangential Vector Field
![Page 32: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/32.jpg)
Optimizing the ParametrizationOptimizing the Parametrization
Least squares best match to unit axesLeast squares best match to unit axesSparse linear system. No explicit fairness functionalSparse linear system. No explicit fairness functional
Least squares best match to unit axesLeast squares best match to unit axesSparse linear system. No explicit fairness functionalSparse linear system. No explicit fairness functional
![Page 33: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/33.jpg)
Result of OptimizationResult of Optimization
![Page 34: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/34.jpg)
IssuesIssues
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
![Page 35: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/35.jpg)
Coverage estimationCoverage estimation
off-screen bufferoff-screen bufferoff-screen bufferoff-screen buffer
Render patch trianglesRender patch triangles
Flag covered trianglesFlag covered triangles
Remember 1 pixel Remember 1 pixel
per uncovered triangle per uncovered triangle
Render patch trianglesRender patch triangles
Flag covered trianglesFlag covered triangles
Remember 1 pixel Remember 1 pixel
per uncovered triangle per uncovered triangle
![Page 36: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/36.jpg)
Coverage estimationCoverage estimation
off-screen bufferoff-screen bufferoff-screen bufferoff-screen buffer
Render patch trianglesRender patch triangles
Flag covered trianglesFlag covered triangles
Remember 1 pixel Remember 1 pixel
per uncovered triangle per uncovered triangle
Render patch trianglesRender patch triangles
Flag covered trianglesFlag covered triangles
Remember 1 pixel Remember 1 pixel
per uncovered triangle per uncovered triangle
![Page 37: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/37.jpg)
Coverage estimationCoverage estimation
off-screen bufferoff-screen bufferoff-screen bufferoff-screen buffer
Render patch trianglesRender patch triangles
Flag covered trianglesFlag covered triangles
Remember 1 pixel Remember 1 pixel
per uncovered triangle per uncovered triangle
Render patch trianglesRender patch triangles
Flag covered trianglesFlag covered triangles
Remember 1 pixel Remember 1 pixel
per uncovered triangle per uncovered triangle
![Page 38: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/38.jpg)
IssuesIssues
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
1.1. Texture patch creationTexture patch creation
2.2. Specifying direction fieldSpecifying direction field
3.3. Surface patch growthSurface patch growth
4.4. Patch parametrizationPatch parametrization
5.5. Face coverage estimationFace coverage estimation
6.6. Texture storage and renderingTexture storage and rendering
![Page 39: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/39.jpg)
Texture Storage and RenderingTexture Storage and Rendering
Method 1: Method 1: Texture AtlasTexture Atlas
• Pre-composite into a global texture map.Pre-composite into a global texture map.
-- OR ---- OR --
Method 2: Method 2: Runtime pastingRuntime pasting
• Composite at run-time using hardwareComposite at run-time using hardware
Method 1: Method 1: Texture AtlasTexture Atlas
• Pre-composite into a global texture map.Pre-composite into a global texture map.
-- OR ---- OR --
Method 2: Method 2: Runtime pastingRuntime pasting
• Composite at run-time using hardwareComposite at run-time using hardware
![Page 40: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/40.jpg)
Method 1: Texture AtlasMethod 1: Texture Atlas
Patches of triangles with similar normalsPatches of triangles with similar normals
2D packing problem for arbitrary polygons2D packing problem for arbitrary polygons
Patches of triangles with similar normalsPatches of triangles with similar normals
2D packing problem for arbitrary polygons2D packing problem for arbitrary polygons
![Page 41: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/41.jpg)
Method 2: Runtime PastingMethod 2: Runtime Pasting
Store vertex coordinates for each patchStore vertex coordinates for each patch
Composite at run-time using hardwareComposite at run-time using hardware
May render triangles several timesMay render triangles several times
Store vertex coordinates for each patchStore vertex coordinates for each patch
Composite at run-time using hardwareComposite at run-time using hardware
May render triangles several timesMay render triangles several times
![Page 42: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/42.jpg)
Atlas vs. Runtime PastingAtlas vs. Runtime Pasting
AtlasAtlas
+ Faster rendering, more portableFaster rendering, more portable
+ Easy to paint unique details (eyes, nose on bunny)Easy to paint unique details (eyes, nose on bunny)
– Sampling artifacts; user effortSampling artifacts; user effort
PastingPasting
– Increases model complexity (Increases model complexity ( 1.6 –3)1.6 –3)
+ Huge effective resolution Huge effective resolution
+ Reuse splotch parameterization for many texturesReuse splotch parameterization for many textures
AtlasAtlas
+ Faster rendering, more portableFaster rendering, more portable
+ Easy to paint unique details (eyes, nose on bunny)Easy to paint unique details (eyes, nose on bunny)
– Sampling artifacts; user effortSampling artifacts; user effort
PastingPasting
– Increases model complexity (Increases model complexity ( 1.6 –3)1.6 –3)
+ Huge effective resolution Huge effective resolution
+ Reuse splotch parameterization for many texturesReuse splotch parameterization for many textures
![Page 43: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/43.jpg)
RESULTSRESULTS
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Results: SplotchesResults: Splotches
(completely automatic: no direction field)(completely automatic: no direction field)
![Page 45: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/45.jpg)
Results: AnisotropicResults: Anisotropic
![Page 46: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/46.jpg)
Controlling Direction and ScaleControlling Direction and Scale
![Page 47: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/47.jpg)
25 frames25 framesper sec!per sec!
256 x 256256 x 256texturetexture
(282 times)(282 times)
256 x 256256 x 256texturetexture
(282 times)(282 times)
15,000 faces15,000 faces
![Page 48: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/48.jpg)
LimitationsLimitations
low-frequencylow-frequencycomponentscomponents
boundaryboundarymismatchesmismatches
direction field direction field singularitiessingularities
![Page 49: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/49.jpg)
VideoVideo
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Interactive Paint DemoInteractive Paint Demo
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TimingsTimings
Texture patch creation: Texture patch creation: 1 min1 min
Specifying direction field: Specifying direction field: 15 min15 min
Surface patch growthSurface patch growth
Patch parameterizationPatch parameterization
Face coverage estimationFace coverage estimation
Rendering: Rendering: 25fps25fps @ 1024 @ 102422
Texture patch creation: Texture patch creation: 1 min1 min
Specifying direction field: Specifying direction field: 15 min15 min
Surface patch growthSurface patch growth
Patch parameterizationPatch parameterization
Face coverage estimationFace coverage estimation
Rendering: Rendering: 25fps25fps @ 1024 @ 102422
Preprocessing:Preprocessing:
20sec – 6 min20sec – 6 min
Preprocessing:Preprocessing:
20sec – 6 min20sec – 6 min
Pentium III 733MHz, GeForce graphicsPentium III 733MHz, GeForce graphicsPentium III 733MHz, GeForce graphicsPentium III 733MHz, GeForce graphics
Human Human efforteffortHuman Human efforteffort
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ConclusionsConclusions
Effective texture-by-example through:Effective texture-by-example through:
Overlapping texture patches Overlapping texture patches
Minimal edge blending Minimal edge blending
Aligning to direction field Aligning to direction field fast optimization fast optimization
Runtime pasting Runtime pasting high effective resolution high effective resolution
Effective texture-by-example through:Effective texture-by-example through:
Overlapping texture patches Overlapping texture patches
Minimal edge blending Minimal edge blending
Aligning to direction field Aligning to direction field fast optimization fast optimization
Runtime pasting Runtime pasting high effective resolution high effective resolution
![Page 53: Lapped Textures Emil Praun Adam Finkelstein Hugues Hoppe Emil Praun Adam Finkelstein Hugues Hoppe Princeton University Microsoft Research Princeton University.](https://reader035.fdocuments.in/reader035/viewer/2022070305/551475b5550346414e8b6305/html5/thumbnails/53.jpg)
Future WorkFuture Work
Other texture types:Other texture types:
• AnimatedAnimated
• ““Thick” (volumetric) textures Thick” (volumetric) textures fur fur
• NPR renderingNPR rendering
Greater automationGreater automation
Fine-tuning patch placementFine-tuning patch placement
Other texture types:Other texture types:
• AnimatedAnimated
• ““Thick” (volumetric) textures Thick” (volumetric) textures fur fur
• NPR renderingNPR rendering
Greater automationGreater automation
Fine-tuning patch placementFine-tuning patch placement