Plenoptic system for recording images from sheets

Details Plenoptic system for recording images from sheets Plenoptic system for recording images from sheets

2007-05-23

2010-11-23

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C345S427000, C348S059000, C348S222100, C382S154000

Reexamination Certificate

active

07838814

ABSTRACT:
A system for recording an image as digital data comprises a photosensor array and a plenoptic set, including a main lens and a lenticular grating, to enable the photosensor array to obtain plenoptic image data from the sheet. A subset of the plenoptic image data is selected, such as according to a predetermined object distance, to obtain image data for a focused image. The subset of the plenoptic image can be selected after the scanning, so that prescanning of an unusual-shaped image-bearing object, such as an open book, is avoided.

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“Plenoptic Camera” by John Y. A. Wang, pp. 1-5; http://www=bcs.mit.edu/people/jyawant/demos/plenoptic/plenoptic.html.
Ren Ng, Fourier Slice Photography, Stanford University, ACM Transactions on Graphics, Jul. 2005, Proceedings of Siggraph.
Ren Ng et al., Light Field Photography with a Hand-held Plenoptic Camera, Stanford Tech Report CTSR 2005-02, Apr. 2005.

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