Camera%20Culture

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Ramesh Raskar
Camera Culture
MIT Media Lab
http//raskar.info
Camera Culture
Ramesh Raskar
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Bokode
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Defocus blur of Bokode
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Coding in Angle
Mohan, Woo, Smithwick, Hiura, Raskar Siggraph
2009
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multi-user interaction
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Bokode Micro-commerce via Camera Phones
Consumer
Camera
Bokode
Shop keepers base station
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Beyond Multi-touch Mobile
Mobile
Laptops
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BiDi Screen
Converting LCD Screen large Camera for 3D
Interactive HCI and Video Conferencing
Matthew Hirsch, Henry Holtzman Doug Lanman,
Ramesh Raskar Siggraph Asia 2009
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Design Vision
Bare Sensor
Spatial Light Modulator
Collocated Capture and Display
Object
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Touch Hover using Depth Sensing LCD Sensor
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Overview Sensing Depth from
Array of Virtual Cameras in LCD
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Can you see around a corner ?
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Femto-Photography

• Depth
• Geometry
• Surface Orientation
• Occlusion
• Material
• Spectrum

FemtoFlash
UltraFast Detector
Computational Optics
Serious Sync
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Can you look around a corner ?
Kirmani, Hutchinson, Davis, Raskar
2009 ICCV2009, Oct 2009 in Kyoto
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Femtosecond Laser as Light Source Pico-second
detector array as Camera
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Key Idea Use Third and Higher bounces
We made use of Proximity prior, Euclidean
distance constraints and Estimated visible patch
distances to label third bounces
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Relate time onsets to scene distances using the
Second Order Distance transform T3
-1


T3
dH
O3
Distance Transform
Hidden inter-patch distances
Distance Uncertainty
Third bounce Time of arrival onsets
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Depth Pixel
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Camera Culture group

• Keywords
• Computational imaging, Signal processing, Applied
  optics, Computer graphics and vision, Hardware
  electronics, Displays, Art, Online photo
  collections, Visual social computing
• Classes
• Fall MAS531Computational Camera and Photography
• Spring MAS 966 Seminar on Future of Imaging
• Spring MAS 963 Camera Ventures
• Members
• Students (Ahmed Kirmani, Jaewon Kim, Rohit
  Pandharkar, Roarke Horstmeyer, Kevin Chiu)
• Post-doc (Ankit Mohan)
• New RA, post-doc, MEng slot open
• How to get involved
• Weekly meetings Wedn at 5pm in 368
• Mailing list camera-curios, camera-list_at_media

http//cameraculture.info
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Ramesh Raskar
Camera Culture
MIT Media Lab
http//raskar.info
Camera Culture
Ramesh Raskar