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Patent Searching and Data


Title:
IMAGE PROCESSING APPARATUS, ELECTRONIC APPARATUS, AND IMAGE PROCESSING METHOD
Document Type and Number:
Japanese Patent JP2014063094
Kind Code:
A
Abstract:

To provide an image processing apparatus configured to eliminate contrast defect while maintaining color reproducibility of a dark area in an image, and to provide an electronic apparatus and an image processing method.

An image processing apparatus 100 for correcting gray level on image data corresponding to an image to be displayed on a display part 50 by use of a backlight 60 includes: a gray level correction control part 140 which generates second gray level correction characteristics from first gray level correction characteristics on the basis of a correction curve; and a gray level correction part 120 which corrects gray level on the basis of the second gray level correction characteristics. Inclination of a tangent at a gray level 0 of the correction curve is determined based on dimming rate of the backlight 60. The gray level correction control part 140 generates second gray level correction characteristics by changing the gray level characteristics in a predetermined gray level range including a gray level 0 of the first gray level correction characteristics.


Inventors:
HAYASHI TEI
KANAZAWA SHIGEKI
Application Number:
JP2012209257A
Publication Date:
April 10, 2014
Filing Date:
September 24, 2012
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
G02F1/133; G09G3/36; G06T5/00; G09G3/20; G09G3/34; H04N1/407
Attorney, Agent or Firm:
Masahiko Ueyanagi
Kazuhiko Miyasaka
Kazuaki Watanabe