Digital camera recording dynamic range compression information

Details Digital camera recording dynamic range compression information Digital camera recording dynamic range compression information

2007-10-23

2007-10-23

Srivastava, Vivek (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S222100, C348S207200, C348S231990, C358S002100, C358S301000

Reexamination Certificate

active

10694805

ABSTRACT:
A digital camera has a feature to photograph a subject and record the image data onto a recording medium in a dynamic range wider than that required for printing, the digital camera further having a feature to store tag information into an image file, together with the image data, and record the image file onto the recording medium, the tag information including: range compression information indicating whether dynamic range compression has been made; maximum range information indicating the maximum subject reflection factor before and after the dynamic range compression; and knee point information indicating the subject reflection factor assumed when the dynamic range compression was made.

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patent: 6273535 (2001-08-01), Inoue et al.
patent: 6650365 (2003-11-01), Sato
patent: 6650437 (2003-11-01), Nakajima
patent: 6891569 (2005-05-01), Matsuoka et al.
patent: 2002/0135687 (2002-09-01), Nakajima et al.
patent: 2003/0108337 (2003-06-01), Tsuchida et al.
patent: 1 081 945 (2000-09-01), None
patent: 2001-78079 (2001-03-01), None

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