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Class Information
Number: 358/532
Name: Facsimile and static presentation processing > Natural color facsimile > Specific image-processing circuitry > Sharpness emphasizing
Description: Subject matter including means for enhancing contrast edges to improve detail in a color image.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605946 |
Printing apparatus increasing black density of one color of text or graphic object |
Oct. 20, 2009 |
| 7580158 |
Image processing apparatus, method and program |
Aug. 25, 2009 |
| 7576894 |
Device and method for sharpening image signal |
Aug. 18, 2009 |
| 7557962 |
System and method for tone-dependent multi-frequency halftone screening |
Jul. 7, 2009 |
| 7551322 |
Image edge filtering |
Jun. 23, 2009 |
| 7542174 |
Image processing method for reducing jaggy effect |
Jun. 2, 2009 |
| 7502143 |
Signal processing method, signal output apparatus, signal processing apparatus, image processing apparatus, and image forming apparatus |
Mar. 10, 2009 |
| 7453598 |
Image processing method and apparatus, and color conversion table generation method and apparatus |
Nov. 18, 2008 |
| 7433079 |
Image processing apparatus and method |
Oct. 7, 2008 |
| 7375851 |
State-space based modeling of pixel elements of a dynamically varying color marking device |
May. 20, 2008 |
| 7356195 |
System and method for estimating image sharpness |
Apr. 8, 2008 |
| 7355755 |
Image processing apparatus and method for accurately detecting character edges |
Apr. 8, 2008 |
| 7327492 |
Image processing device and image processing method |
Feb. 5, 2008 |
| 7324165 |
[Automatic contrast limiting circuit and method thereof with spatial domain infinite impulse response filter] |
Jan. 29, 2008 |
| 7289681 |
Method of sharpening image using luminance channel |
Oct. 30, 2007 |
| 7265785 |
Imaging apparatus and method that provide high resolution under low illumination without substantial S/N degradation |
Sep. 4, 2007 |
| 7242494 |
Printing device, printing method, and computer-readable storage medium for printing using multiple printers |
Jul. 10, 2007 |
| 7199904 |
Printer having image correcting capability |
Apr. 3, 2007 |
| 7187807 |
Apparatus for sharpening an image using a luminance channel |
Mar. 6, 2007 |
| 7173732 |
Image processing method |
Feb. 6, 2007 |
| 7173734 |
Intercolor bleed reduction in liquid ink printers |
Feb. 6, 2007 |
| 7170633 |
Imaging apparatus |
Jan. 30, 2007 |
| 7170638 |
Method, system and recording medium for image processing |
Jan. 30, 2007 |
| 7161636 |
Vertical sharpness adjustment device and TV receiver therewith |
Jan. 9, 2007 |
| 7148997 |
Image processing apparatus and method |
Dec. 12, 2006 |
| 7133157 |
Image processing method and apparatus |
Nov. 7, 2006 |
| 7116446 |
Restoration and enhancement of scanned document images |
Oct. 3, 2006 |
| 7098964 |
Apparatus and method for slope-enhancement of signal transitions in television pictures |
Aug. 29, 2006 |
| 7085009 |
Image processing apparatus and method |
Aug. 1, 2006 |
| 7064868 |
Image processor |
Jun. 20, 2006 |
| 7054036 |
Image processing method and image forming apparatus |
May. 30, 2006 |
| 7034962 |
Image processing apparatus |
Apr. 25, 2006 |
| 7016080 |
Method and system for improving scanned image detail |
Mar. 21, 2006 |
| 7010172 |
Image acquiring method, image processing method, and image transforming method |
Mar. 7, 2006 |
| 6919973 |
Auxiliary pixel patterns for improving print quality |
Jul. 19, 2005 |
| 6906826 |
Medium on which image modifying program is recorded, image modifying apparatus and method |
Jun. 14, 2005 |
| 6885482 |
Image processing method and image processing apparatus |
Apr. 26, 2005 |
| 6850341 |
Method, system and recording medium for image processing |
Feb. 1, 2005 |
| 6847738 |
Sharpness enhancement |
Jan. 25, 2005 |
| 6836346 |
Method and apparatus for image processing, and a computer product |
Dec. 28, 2004 |
| 6807315 |
Method and apparatus for sharpening an image |
Oct. 19, 2004 |
| 6766068 |
Interpolating operation method and apparatus for image signals |
Jul. 20, 2004 |
| 6762859 |
Process for generation of engraving data |
Jul. 13, 2004 |
| 6700626 |
Video-apparatus with peaking filter |
Mar. 2, 2004 |
| 6697537 |
Image processing method and apparatus |
Feb. 24, 2004 |
| 6693669 |
Method for reducing image blurring |
Feb. 17, 2004 |
| 6690429 |
Device and method for processing color signal |
Feb. 10, 2004 |
| 6690828 |
Method for representing and comparing digital images |
Feb. 10, 2004 |
| 6654510 |
Image processing method and image processing system |
Nov. 25, 2003 |
| 6650437 |
Image processing system and image processing method |
Nov. 18, 2003 |
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