Title:
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, SOLID-STATE IMAGING DEVICE, ELECTRONIC INFORMATION DEVICE, SIGNAL PROCESSING PROGRAM, AND COMPUTER READABLE RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2013/031081
Kind Code:
A1
Abstract:
The present invention achieves a signal processing device (100) by which an analog pixel signal (Ag) obtained by photoelectric conversion in a CCD image sensor (1) can be processed to have an improved S/N with reduced noise by interpolation at a low luminosity or saturation area on a display screen, and to have an increased resolution by edge enhancement at a high luminosity or saturation area on the display screen. The signal processing device (100) which processes the analog pixel signal (Ag) from the CCD image sensor (1) by AD conversion, is provided with an interpolation unit (104) which adaptively switches an interpolation process to assess the luminosity or the saturation of each pixel, and to calculate a digital pixel signal of the pixel to be processed from pixel signals of surrounding pixels located around the pixel to be processed on the basis of the assessed luminosity or saturation of the pixel to be processed.
Inventors:
FUNAO DAISUKE (JP)
Application Number:
PCT/JP2012/004692
Publication Date:
March 07, 2013
Filing Date:
July 24, 2012
Export Citation:
Assignee:
SHARP KK (JP)
FUNAO DAISUKE (JP)
FUNAO DAISUKE (JP)
International Classes:
H04N9/07; H04N5/238
Foreign References:
| JP2011146893A | 2011-07-28 | |||
| JP2010193037A | 2010-09-02 | |||
| JP2011123589A | 2011-06-23 | |||
| JP2006339931A | 2006-12-14 |
Attorney, Agent or Firm:
YAMAMOTO, Shusaku et al. (JP)
Shusaku Yamamoto (JP)
Shusaku Yamamoto (JP)
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Claims: