Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris...
-
Upload
augustine-floyd -
Category
Documents
-
view
221 -
download
2
Transcript of Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris...
![Page 1: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/1.jpg)
Image-Based Visual HullsImage-Based Visual Hulls
Wojciech Wojciech MatusikMatusik
Chris Buehler Chris Buehler Leonard Leonard McMillanMcMillan
Massachusetts Institute of Technology
Laboratory for Computer Science
Ramesh RaskarRamesh RaskarUniversity of North Carolina
at Chapel Hill
Steven J. GortlerSteven J. Gortler
Harvard University
![Page 2: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/2.jpg)
Motivation Motivation
Real-time acquisition and rendering of dynamic Real-time acquisition and rendering of dynamic
scenesscenes
![Page 3: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/3.jpg)
Previous WorkPrevious Work
•Virtualized RealityVirtualized Reality (Rander’97, Kanade’97, Narayanan’98)(Rander’97, Kanade’97, Narayanan’98)
•Visual HullVisual Hull(Laurentini’94)(Laurentini’94)
•Volume CarvingVolume Carving (Potmesil’87, Szeliski’93, Seitz’97)(Potmesil’87, Szeliski’93, Seitz’97)
•CSG RenderingCSG Rendering(Goldfeather’86, Rappoport’97)(Goldfeather’86, Rappoport’97)
•Image-Based RenderingImage-Based Rendering(McMillan’95, Debevec’96, Debevec’98)(McMillan’95, Debevec’96, Debevec’98)
![Page 4: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/4.jpg)
ContributionsContributions
•View-dependent image-based View-dependent image-based visual hull representation visual hull representation
•Efficient algorithm for rendering Efficient algorithm for rendering the visual hull the visual hull
•Efficient algorithm computing Efficient algorithm computing visibilityvisibility
•A real-time systemA real-time system
![Page 5: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/5.jpg)
What is a Visual Hull?What is a Visual Hull?
![Page 6: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/6.jpg)
Why use a Visual Hull?Why use a Visual Hull?
•Can be computed robustlyCan be computed robustly
•Can be computed efficientlyCan be computed efficiently
- =
background background + +
foregroundforeground
backgroundbackground foreground foreground
![Page 7: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/7.jpg)
Rendering Visual HullsRendering Visual Hulls
Reference 1Reference 2
Desired
![Page 8: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/8.jpg)
Build then SampleBuild then Sample
Reference 1Reference 2
Desired
![Page 9: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/9.jpg)
Build then SampleBuild then Sample
Reference 1Reference 2
Desired
![Page 10: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/10.jpg)
Build then SampleBuild then Sample
Reference 1Reference 2
Desired
![Page 11: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/11.jpg)
Build then SampleBuild then Sample
Reference 1Reference 2
Desired
![Page 12: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/12.jpg)
Build then SampleBuild then Sample
Reference 1Reference 2
Desired
![Page 13: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/13.jpg)
Sample DirectlySample Directly
Reference 1Reference 2
Desired
![Page 14: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/14.jpg)
Sample DirectlySample Directly
Reference 1Reference 2
Desired
![Page 15: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/15.jpg)
Sample DirectlySample Directly
Reference 1Reference 2
Desired
![Page 16: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/16.jpg)
Sample DirectlySample Directly
Reference 1Reference 2
Desired
![Page 17: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/17.jpg)
Sample DirectlySample Directly
Reference 1Reference 2
Desired
![Page 18: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/18.jpg)
Sample DirectlySample Directly
Reference 1Reference 2
Desired
![Page 19: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/19.jpg)
Sample DirectlySample Directly
Reference 1Reference 2
Desired
![Page 20: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/20.jpg)
Sample DirectlySample Directly
Reference 1Reference 2
Desired
![Page 21: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/21.jpg)
Image-Based ComputationImage-Based Computation
Reference 1
Reference 2
Desired
![Page 22: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/22.jpg)
ObservationObservation
•Incremental computation along Incremental computation along scanlinesscanlines
Desired
Reference
![Page 23: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/23.jpg)
BinningBinning
Epipole
•Sort silhouette edges into binsSort silhouette edges into bins
![Page 24: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/24.jpg)
BinningBinning
Epipole
•Sort silhouette edges into binsSort silhouette edges into bins
![Page 25: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/25.jpg)
BinningBinning
•Sort silhouette edges into binsSort silhouette edges into bins
Epipole
Bin 1
![Page 26: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/26.jpg)
BinningBinning
•Sort silhouette edges into binsSort silhouette edges into bins
EpipoleBin 2
Bin 1
![Page 27: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/27.jpg)
BinningBinning
•Sort silhouette edges into binsSort silhouette edges into bins
Epipole
Bin 3
Bin 1
Bin 2
![Page 28: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/28.jpg)
BinningBinning
•Sort silhouette edges into binsSort silhouette edges into bins
Epipole
Bin 4
Bin 1
Bin 2
Bin 3
![Page 29: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/29.jpg)
BinningBinning
•Sort silhouette edges into binsSort silhouette edges into bins
Epipole
Bin 5
Bin 1
Bin 2
Bin 3
Bin 4
![Page 30: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/30.jpg)
BinningBinning
•Sort silhouette edges into binsSort silhouette edges into bins
Epipole
Bin 5
Bin 1
Bin 2
Bin 3
Bin 4
![Page 31: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/31.jpg)
ScanningScanning
Epipole
Bin 1
![Page 32: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/32.jpg)
EpipoleBin 2
ScanningScanning
![Page 33: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/33.jpg)
EpipoleBin 2
ScanningScanning
![Page 34: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/34.jpg)
EpipoleBin 2
ScanningScanning
![Page 35: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/35.jpg)
Epipole
Bin 4
ScanningScanning
![Page 36: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/36.jpg)
Epipole
Bin 5
ScanningScanning
![Page 37: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/37.jpg)
Coarse-to-Fine SamplingCoarse-to-Fine Sampling
![Page 38: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/38.jpg)
IBVH ResultsIBVH Results
•Approximately constant Approximately constant computation per pixel per cameracomputation per pixel per camera
•ParallelizesParallelizes
•Consistent with Consistent with input silhouettesinput silhouettes
![Page 39: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/39.jpg)
Video of IBVHVideo of IBVH
![Page 40: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/40.jpg)
Shading AlgorithmShading Algorithm
•A view-dependent strategyA view-dependent strategy
![Page 41: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/41.jpg)
Visibility AlgorithmVisibility Algorithm
![Page 42: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/42.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
![Page 43: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/43.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
Front-most Points
![Page 44: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/44.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
Visible
![Page 45: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/45.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
Coverage Mask
![Page 46: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/46.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
Coverage Mask
Visible
![Page 47: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/47.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
Coverage Mask
Visible
![Page 48: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/48.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
Coverage Mask
VisibleNot
![Page 49: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/49.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
Coverage Mask
![Page 50: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/50.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
Coverage Mask
Visible
![Page 51: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/51.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
Coverage Mask
![Page 52: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/52.jpg)
Visibility in 2DVisibility in 2D
Desired view
Reference view
Coverage Mask
VisibleNot
![Page 53: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/53.jpg)
Shaded Visual HullsShaded Visual Hulls
![Page 54: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/54.jpg)
SystemSystem
Server(4x 500 Mhz)
Camera Client
Camera Client
Camera Client
Camera Client
![Page 55: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/55.jpg)
SystemSystem
Server(4x 500 Mhz)
Camera Client
Camera Client
Camera Client
Camera Client
Trigger Signal
![Page 56: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/56.jpg)
SystemSystem
Server(4x 500 Mhz)
Camera Client
Camera Client
Camera Client
Camera Client
![Page 57: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/57.jpg)
SystemSystem
Server(4x 500 Mhz)
Camera Client
Camera Client
Camera Client
Camera Client
Compressed video
![Page 58: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/58.jpg)
SystemSystem
Server(4x 500 Mhz)
Camera Client
Camera Client
Camera Client
Camera Client
Intersection
![Page 59: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/59.jpg)
SystemSystem
Server(4x 500 Mhz)
Camera Client
Camera Client
Camera Client
Camera Client
Visibility
![Page 60: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/60.jpg)
SystemSystem
Server(4x 500 Mhz)
Camera Client
Camera Client
Camera Client
Camera Client
Shading
![Page 61: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/61.jpg)
More IBVH ResultsMore IBVH Results
![Page 62: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/62.jpg)
Future WorkFuture Work
•3D teleconferencing3D teleconferencing
•Distributed computationDistributed computation
•Virtual setsVirtual sets
•Post-production camera effectsPost-production camera effects
•Mixed realityMixed reality
![Page 63: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/63.jpg)
SummarySummary
•Visual hulls with texture can Visual hulls with texture can provide a compelling real-time provide a compelling real-time visualizationsvisualizations
•Visual hulls can be computed Visual hulls can be computed accurately and efficiently in image accurately and efficiently in image spacespace
•View dependent shading with View dependent shading with conservative visibilityconservative visibility
![Page 64: Image-Based Visual Hulls Wojciech Matusik Chris Buehler Leonard McMillan Wojciech Matusik Chris Buehler Leonard McMillan Massachusetts Institute of Technology.](https://reader036.fdocuments.in/reader036/viewer/2022062320/56649f575503460f94c7b31e/html5/thumbnails/64.jpg)
AcknowledgementsAcknowledgements
•DARPA ITO Grant F30602-971-0283DARPA ITO Grant F30602-971-0283
•A generous grant from Intel A generous grant from Intel CorporationCorporation
•NSF Career Awards 9875859 & NSF Career Awards 9875859 & 97033999703399
•Tom Buehler & Kari Anne KjølassTom Buehler & Kari Anne Kjølass
• Thanks to all members of the MIT Computer Graphics Group