Inventor
FUKUSHIMA TSUMORU
JP20 patents
Patents
20 patentsUS5940530AAug 17, 1999
Backlit scene and people scene detecting method and apparatus and a gradation correction apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD183 citations99
US5715377AFeb 3, 1998
Gray level correction apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD157 citations99
US5691779ANov 25, 1997
Color conversion apparatus that restricts the color reproduction range of primary color signals
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD75 citations96
US5619280AApr 8, 1997
Color conversion apparatus that restricts the color reproduction range of primary color signals
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations96
US5347599ASep 13, 1994
Adaptive interpolation method and apparatus using correlation detection
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD88 citations96
US6937356B1Aug 30, 2005
Digital imaging system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD62 citations95
US5742348AApr 21, 1998
Spatial frequency adaptive field--interpolation method and apparatus therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US5703968ADec 30, 1997
Method and apparatus for detecting interpolation line
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations92
US5570436AOct 29, 1996
Method for interpolating missing pixels and an apparatus employing the method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
US5513281AApr 30, 1996
Interpolation method and apparatus by correlation detection using fuzzy inference
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US5461429AOct 24, 1995
White balance and image color control device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US5432869AJul 11, 1995
Image signal processing method and apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US5430811AJul 4, 1995
Method for interpolating missing pixels and an apparatus employing the method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92
US5390264AFeb 14, 1995
Image processing method for correcting a target pixel using emphasizing and smoothing components
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations92
US5559530ASep 24, 1996
Image data processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations88
US7161707B1Jan 9, 2007
Digital printer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US7271930B2Sep 18, 2007
Printer unit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations83
US5784499AJul 21, 1998
Method for reducing noise in image signals and apparatus therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74
US5541668AJul 30, 1996
Filter for reducing a noise component of a chrominance signal and chrominance signal noise component reducing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74
US7358981B2Apr 15, 2008
Image formation device and image formation method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations42