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Patent Searching and Data


Title:
IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/024916
Kind Code:
A1
Abstract:
A contour direction estimation unit that estimates, for each pixel, the contour direction having a constant signal value for each pixel; a low-pass filter unit that smooths signal values for each pixel, on the basis of the signal values for each reference pixel being pixels in a reference area corresponding to the pixels and being arranged in the contour direction for the pixels estimated by the contour direction estimation unit; and a high-frequency expansion unit that generates a high-frequency component for the pixel signal values and expands the frequency band for the pixel signal values.

Inventors:
MURAHASHI YOSHIMITSU
Application Number:
PCT/JP2013/071348
Publication Date:
February 13, 2014
Filing Date:
August 07, 2013
Export Citation:
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Assignee:
SHARP KK (JP)
International Classes:
G06T5/20; H04N1/409; H04N5/208; H04N7/01
Foreign References:
JPH07170406A1995-07-04
JP2009020605A2009-01-29
JP2009021905A2009-01-29
Attorney, Agent or Firm:
FUNAYAMA Takeshi et al. (JP)
Takeshi Funayama (JP)
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