Title:
IMAGE PROCESSING DEVICE, IMAGE PROCESSING PROGRAM, ELECTRONIC CAMERA, AND IMAGE PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2005/125174
Kind Code:
A1
Abstract:
An image processing device includes an image input unit, a fluctuation extraction unit, a modulation signal generation unit, a level compression unit, and a gradation correction unit. The image input unit acquires an input image. The fluctuation extraction unit extracts a local fluctuation component from the input image and generates a local fluctuation image containing a fluctuation component. The modulation signal generation unit acquires a modulation signal for modulating the input image into a local fluctuation image. The level compression unit level-compresses the modulation signal. The gradation correction unit modulates the input image by the modulation signal after the level compression and acquires a gradation-corrected image.
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Inventors:
KUNIBA HIDEYASU (JP)
Application Number:
PCT/JP2005/011034
Publication Date:
December 29, 2005
Filing Date:
June 16, 2005
Export Citation:
Assignee:
NIKON CORP (JP)
KUNIBA HIDEYASU (JP)
KUNIBA HIDEYASU (JP)
International Classes:
G06T5/00; G06T5/40; H04N1/387; H04N1/407; H04N5/243; H04N9/04; H04N9/68; H04N101/00; (IPC1-7): H04N1/407; G06T5/00; H04N1/387; H04N5/243; H04N9/04; H04N9/68
Foreign References:
| JP2003126057A | 2003-05-07 | |||
| JP2003348335A | 2003-12-05 | |||
| JPH09247483A | 1997-09-19 | |||
| JP2002290707A | 2002-10-04 |
Other References:
See also references of EP 1768379A4
Attorney, Agent or Firm:
Furuya, Fumio (19-5, Nishishinjuku, 1-Chome, Shinjuku-k, Tokyo 23, JP)
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