Method and apparatus for performing tone scale modifications...

Facsimile and static presentation processing – Static presentation processing – Attribute control

Reexamination Certificate

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Details

C348S272000, C348S294000, C250S208100

Reexamination Certificate

active

07068396

ABSTRACT:
A method of generating a tone scale function for a sparsely sampled extended dynamic range digital image, includes the steps of: providing a sparsely sampled extended dynamic range image sensing device having fast photosites with a predetermined response to light exposure interspersed with slow photosites with a slower response to the same light exposure; using the image sensing device to produce a sparsely sampled high resolution digital image having fast pixel values produced by the fast photosites and slow pixel values produced by the slow photosites; and generating the tone scale function using only slow pixel values from the sparsely sampled high resolution digital image.

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