Title:
IMAGE PROCESSING DEVICE, IMAGING DEVICE, AND IMAGE PROCESSING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2012/004973
Kind Code:
A1
Abstract:
An image processing device comprises: an image smoothing means for smoothing a target image having the pixel values of a plurality of color components with a plurality of different smoothing degrees and generating a plurality of smoothed images; a calculation means for obtaining, for each of the smoothed images, the color difference that is the difference between the pixel value of a predetermined color component of the target image at each pixel position in the target image and the pixel value of a color component of each of the smoothed images, the color component being different from the predetermined color component, and calculating the variance of the obtained color difference; a determination means for comparing the sharpness of the respective color components of the target image with each other on the basis of the variance of the color difference and determining the color component having the highest sharpness; and an adjustment means for adjusting the sharpness of at least one color component of the target image on the basis of the color component having the highest sharpness.
Inventors:
EBIHARA, Shinya (C/O NIKON CORPORATION, 12-1Yurakucho 1-chome, Chiyoda-k, Tokyo 31, 〒1008331, JP)
Application Number:
JP2011/003813
Publication Date:
January 12, 2012
Filing Date:
July 04, 2011
Export Citation:
Assignee:
NIKON CORPORATION (12-1, Yurakucho 1-chome Chiyoda-k, Tokyo 31, 〒1008331, JP)
株式会社ニコン (〒31 東京都千代田区有楽町一丁目１２番１号 Tokyo, 〒1008331, JP)
株式会社ニコン (〒31 東京都千代田区有楽町一丁目１２番１号 Tokyo, 〒1008331, JP)
International Classes:
H04N9/04; G06T1/00
Attorney, Agent or Firm:
FURUYA, Fumio et al. (Dai2 Meiho Bldg. 9th Floor, 19-5Nishishinjuku 1-chome, Shinjuku-k, Tokyo 23, 〒1600023, JP)
Claims: