Raskar, Camera Culture, MIT Media Lab

Camera Culture

Ramesh Raskar

Camera CultureMIT Media Lab

Ramesh Raskar

http://raskar.info

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

Beyond Multi-touch: Mobile

Laptops

Mobile

Converting LCD Screen = large Camera for 3D Interactive HCI and Video Conferencing

Matthew Hirsch, Henry HoltzmanDoug Lanman, Ramesh Raskar

Siggraph Asia 2009

BiDi Screen

Design Vision

Object Collocated Captureand Display

Bare Sensor

Spa

tial L

ight

Mod

ulat

or

Touch + Hover using Depth Sensing LCD Sensor

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 OpticsSerious Sync

Can you look around a corner ?

Kirmani, Hutchinson, Davis, Raskar 2009ICCV’2009, Oct 2009 in Kyoto

Femtosecond Laser as Light SourcePico-second detector array as

Camera

T3 dH

=

-1

O3Third bounce Time of arrival onsets

Relate time onsets to scene distances using the Second Order Distance transform T3

+

Distance Transform Hidden 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, camera-list@mediahttp://cameraculture.info

Raskar, Camera Culture, MIT Media Lab

Camera Culture

Ramesh Raskar

Camera CultureMIT Media Lab

Ramesh Raskar

http://raskar.info