4D light field cameras

Details 4D light field cameras 4D light field cameras

2011-06-21

2011-06-21

Perkey, W. B. (Department: 2862)

Photography

Having photocell at specific position within camera

C396S089000, C250S23700G

Reexamination Certificate

active

07965936

ABSTRACT:
A camera acquires a 4D light field of a scene. The camera includes a lens and sensor. A mask is arranged in a straight optical path between the lens and the sensor. The mask including an attenuation pattern to spatially modulate the 4D light field acquired of the scene by the sensor. The pattern has a low spatial frequency when the mask is arranged near the lens, and a high spatial frequency when the mask is arranged near the sensor.

REFERENCES:
patent: 6097394 (2000-08-01), Levoy et al.
patent: 2007/0252074 (2007-11-01), Ng et al.
patent: 2008/0266655 (2008-10-01), Levoy et al.

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