Raskar, Camera Culture, MIT Media Lab Camera Culture Ramesh Raskar Camera Culture MIT Media Lab Ramesh Raskar

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Presentation transcript:

Raskar, Camera Culture, MIT Media Lab Camera Culture Ramesh Raskar Camera Culture MIT Media Lab Ramesh Raskar

MIT Media Lab Camera Culture Bokode

MIT Media Lab Camera Culture Defocus blur of Bokode

MIT Media Lab Camera Culture Coding in Angle Mohan, Woo, Smithwick, Hiura, Raskar [Siggraph 2009]

MIT media lab camera culture multi-user interaction

MIT media lab camera culture CameraBokode CameraBokode Shop keeper’s ‘base’ station Consumer Bokode: Micro-commerce via Camera Phones

7 Beyond Multi-touch: Mobile Laptops Mobile

8 Converting LCD Screen = large Camera for 3D Interactive HCI and Video Conferencing Matthew Hirsch, Henry Holtzman Doug Lanman, Ramesh Raskar Siggraph Asia 2009 BiDi Screen

9 Design Vision Object Collocated Capture and Display Bare Sensor Spatial Light Modulator

10 Touch + Hover using Depth Sensing LCD Sensor

11 Overview: Sensing Depth from Array of Virtual Cameras in LCD

Can you ‘see’ around a corner ?

Depth –Geometry –Surface Orientation –Occlusion Material –Spectrum Femto-Photography FemtoFlash UltraFast Detector Computational Optics Serious Sync

Can you look around a corner ? Kirmani, Hutchinson, Davis, Raskar 2009 ICCV’2009, Oct 2009 in Kyoto

Femtosecond Laser as Light Source Pico-second detector array as Camera

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

T3T3 dHdH = O3O3 Third bounce Time of arrival onsets Relate time onsets to scene distances using the Second Order Distance transform T 3 + Distance TransformHidden inter-patch distances Distance Uncertainty

Depth Pixel

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,

Raskar, Camera Culture, MIT Media Lab Camera Culture Ramesh Raskar Camera Culture MIT Media Lab Ramesh Raskar