Stephen Lin "Seeing the World as It Really is"

2008-05-07 물

Stephen Lin
MS Research Asia

"Seeing the World as It Really is
: Connection of Photometric Distortions from Digital Cameras"


Radiance Analysis
- shape from shading
- 3D stereo reconstruction
- face detection


<Problems>
1. Limit of Depth of Fields
2. Lens Aberration
3. Vignetting
4. Sensor Dust (eg. CCD)
5. Image Blur "Time-spanning"
6. Demosaicking
7. White Balance


3-1. optical
off-axis illumination
"cos^4 law"

3-2. geometric
aperture effect


* Levenberg-Marquardt algorithm

5.
Blur due to arbitrary motion

Auxiliary Sensor



http://research.microsoft.com/~stevelin