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Patent Searching and Data


Title:
DIGITAL CAMERA
Document Type and Number:
Japanese Patent JP2004104231
Kind Code:
A
Abstract:

To provide a digital camera for enhancing color reproducibility of a color image taken by its own and improving reproducibility of a skin color in particular even when the camera sensitivity is improved higher.

The digital camera wherein an RGB/YV conversion circuit 45 separates a color signal outputted from a color imaging element into a luminance signal and color difference signals and a color difference matrix is multiplied with the color difference signals to correct a color tone, prepares color difference matrices used when a photographing light source is the sunlight and when the photographing light source is a particular light source other than the sunlight, a light source type discrimination circuit 49 discriminates whether photographing light source is the sunlight or the particular light source, and a color difference matrix circuit 48 selects a color difference matrix for correcting the color tone depending on a result of discrimination.


Inventors:
AOZUKA YASUO
Application Number:
JP2002260163A
Publication Date:
April 02, 2004
Filing Date:
September 05, 2002
Export Citation:
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Assignee:
FUJI FILM MICRODEVICES CO LTD
FUJI PHOTO FILM CO LTD
International Classes:
H04N9/04; H04N9/67; H04N9/73; H04N101/00; (IPC1-7): H04N9/04; H04N9/67; H04N9/73
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Yuriko Kuriu