Ambient light analysis methods, imaging devices, and...

Details Ambient light analysis methods, imaging devices, and... Ambient light analysis methods, imaging devices, and...

2008-07-01

2008-07-01

Evans, F. L (Department: 2877)

Optics: measuring and testing

By shade or color

With color transmitting filter

C250S2140AL, C356S419000

Reexamination Certificate

active

07394541

ABSTRACT:
Ambient light analysis methods, imaging devices, and articles of manufacture are described. According to one aspect, an ambient light analysis method includes emitting light using a source, first filtering the light of the source providing first filtered light, first receiving the first filtered light using an imaging device, providing a first response of the imaging device to the first filtered light, second filtering ambient light providing second filtered light, second receiving the second filtered light using the imaging device, providing a second response of the imaging device to the second filtered light, and determining information regarding a spectral power distribution of the ambient light using the first response and the second response.

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U.S. Appl. No. 11/054,193, filed Feb. 28, 2005; “Imaging Device, Analysis Methods, Imaging Device Analysis Systems, and Articles of Manufacture”; DiCarlo et al.
“Image Data Processing Methods, Image Data Processing Systems, And Articles Of Manufacture”; DiCarlo et al.; filed concurrently.

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