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Class Information
Number: 358/466
Name: Facsimile and static presentation processing > Facsimile > Specific signal processing circuitry > Image processing > Picture signal thresholding > Variable thresholding technique
Description: Subject matter wherein the type of thresholding technique is determined by the image portion being analyzed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616340 |
Image processing method and apparatus, threshold value matrix creating method, image forming apparatus, sub-matrix creating method and program |
Nov. 10, 2009 |
| 7574069 |
Retargeting images for small displays |
Aug. 11, 2009 |
| 7557969 |
Color balance correction chart, color balance correction method, and image forming apparatus |
Jul. 7, 2009 |
| 7545435 |
Automatic backlight compensation and exposure control |
Jun. 9, 2009 |
| 7525703 |
Method, apparatus and computer product program for performing shading correction of image processing apparatus |
Apr. 28, 2009 |
| 7480078 |
Method and system for performing multi-pixel parallel error diffusion enabling high-speed diffusion processing without increasing the system clock rate |
Jan. 20, 2009 |
| 7342696 |
Computational moire compensation |
Mar. 11, 2008 |
| 7330600 |
Image processing device estimating black character color and ground color according to character-area pixels classified into two classes |
Feb. 12, 2008 |
| 7262884 |
Image processing apparatus and image processing method |
Aug. 28, 2007 |
| 7236643 |
System and method for filtering and binarization of images in the presence of specular noise |
Jun. 26, 2007 |
| 7145693 |
Image processing apparatus and method |
Dec. 5, 2006 |
| 7142325 |
Document management device, communications terminal device, document management program, communications control program and document management system |
Nov. 28, 2006 |
| 7139105 |
Image reading apparatus for optically reading an image |
Nov. 21, 2006 |
| 7062104 |
Distortion-adaptive visual frequency weighting |
Jun. 13, 2006 |
| 7006703 |
Content recognizer via probabilistic mirror distribution |
Feb. 28, 2006 |
| 7006692 |
Method, apparatus and computer program product for processing image data |
Feb. 28, 2006 |
| 6987879 |
Method and system for extracting information from images in similar surrounding color |
Jan. 17, 2006 |
| 6965696 |
Image processing device for image region discrimination |
Nov. 15, 2005 |
| 6873731 |
Image processing method and image processing device |
Mar. 29, 2005 |
| 6873729 |
Method, apparatus and computer program product for processing image data |
Mar. 29, 2005 |
| 6822765 |
IMAGE PROCESSING APPARATUS FOR DISPLAYING INFORMATION REGARDING FIRST IMAGE PROCESSING MODE AND SECOND IMAGE PROCESSING MODE IN IMAGE PROCESSING ARRANGEMENT HAVING FIRST IMAGE PROCESSING MODE |
Nov. 23, 2004 |
| 6751358 |
Error diffusion for digital printing |
Jun. 15, 2004 |
| 6744532 |
Method for enhancing printing quality |
Jun. 1, 2004 |
| 6721458 |
Artifact reduction using adaptive nonlinear filters |
Apr. 13, 2004 |
| 6714322 |
Image processing apparatus, image processing method, and storage medium therefor |
Mar. 30, 2004 |
| 6683702 |
Compact-dot reproduction of scanned halftone screens |
Jan. 27, 2004 |
| 6671071 |
Threshold bias circuits for enhanced color error diffusion |
Dec. 30, 2003 |
| 6661929 |
Controlling an imaging array not having black cells using an array controller that is adapted to imaging arrays having black cells |
Dec. 9, 2003 |
| 6625327 |
Method and apparatus of image processing capable of gradation reducing process with high image quality |
Sep. 23, 2003 |
| 6608929 |
Image segmentation apparatus, method thereof, and recording medium storing processing program |
Aug. 19, 2003 |
| 6597805 |
VISUAL INSPECTION METHOD FOR ELECTRONIC DEVICE, VISUAL INSPECTING APPARATUS FOR ELECTRONIC DEVICE, AND RECORD MEDIUM FOR RECORDING PROGRAM WHICH CAUSES COMPUTER TO PERFORM VISUAL INSPECTING ME |
Jul. 22, 2003 |
| 6529629 |
Image segmentation apparatus and method |
Mar. 4, 2003 |
| 6466693 |
Image processing apparatus |
Oct. 15, 2002 |
| 6359702 |
Image processing apparatus |
Mar. 19, 2002 |
| 6351566 |
Method for image binarization |
Feb. 26, 2002 |
| 6333993 |
Method and device of object detectable and background removal, and storage media for storing program thereof |
Dec. 25, 2001 |
| 6320981 |
Image processing system and image processing method |
Nov. 20, 2001 |
| 6285464 |
Apparatus and method for producing a half-tone image |
Sep. 4, 2001 |
| 6269186 |
Image processing apparatus and method |
Jul. 31, 2001 |
| 6201612 |
Image processing method and apparatus employing block error diffusion |
Mar. 13, 2001 |
| 6192152 |
Image processing apparatus |
Feb. 20, 2001 |
| 6185002 |
Reduction of periodic artifacts in incremental printing, through use of asymmetric randomized superpixels |
Feb. 6, 2001 |
| 6173081 |
Image processing method and apparatus with variation of error amount for error diffusion |
Jan. 9, 2001 |
| 6137541 |
Image processing method and image processing apparatus |
Oct. 24, 2000 |
| 6134355 |
Binarization using a local average, and using error diffusion |
Oct. 17, 2000 |
| 6134024 |
Dithering device |
Oct. 17, 2000 |
| 6115504 |
Image processing apparatus employing error diffusion type binarizing system |
Sep. 5, 2000 |
| 6108456 |
Image processing system |
Aug. 22, 2000 |
| 6091859 |
Image data enlarging/smoothing processor |
Jul. 18, 2000 |
| 6088479 |
Method and recording medium for separating and composing background and character image data |
Jul. 11, 2000 |
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