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Patent Searching and Data


Title:
IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2017/130335
Kind Code:
A1
Abstract:
The present invention increases the reliability with which a watermark embedded in a color image is detected. According to the present invention, an image data acquisition means (102) of an image processing device (10) acquires image data for a color image that has a plurality of color channels. On the basis of the image data acquired by the image data acquisition means (102), a numerical value acquisition means (103) acquires a numerical value for each of the plurality of color channels included in pixel values for the color image. By changing the numerical values acquired by the numerical value acquisition means (103), an image processing means (105) embeds a watermark in each of the plurality of color channels.

Inventors:
TUNG TONY (JP)
Application Number:
PCT/JP2016/052370
Publication Date:
August 03, 2017
Filing Date:
January 27, 2016
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Assignee:
RAKUTEN INC (JP)
International Classes:
H04N1/387; G06T1/00
Foreign References:
JP2005192001A2005-07-14
JP2005086356A2005-03-31
JP2001285621A2001-10-12
JP2004194233A2004-07-08
Other References:
See also references of EP 3410686A4
Attorney, Agent or Firm:
HARUKA PATENT & TRADEMARK ATTORNEYS (JP)
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