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Class Information
Number: 382/270
Name: Image analysis > Image enhancement or restoration > Variable threshold, gain, or slice level
Description: Subject matter wherein quantization of an input analog or gray scale image to produce an output gray scale image or bit map utilizes a threshold, gain or slice level which self-adjusts according to characteristics such as the contrast or brightness of the image or portion of the image being processed.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620260 |
Line thinning method and system for grayscale image |
Nov. 17, 2009 |
| 7616829 |
Reducing undesirable block based image processing artifacts by DC image filtering |
Nov. 10, 2009 |
| 7598480 |
Apparatus and method of image processing to avoid image saturation |
Oct. 6, 2009 |
| 7593585 |
Image processing apparatus and method therefor |
Sep. 22, 2009 |
| 7593590 |
Image status estimating method, image correcting method, image correction apparatus, and storage medium |
Sep. 22, 2009 |
| 7577311 |
Color fringe desaturation for electronic imagers |
Aug. 18, 2009 |
| 7570287 |
Image pickup system for noise estimating and noise reduction |
Aug. 4, 2009 |
| 7565027 |
Countdown stamp error diffusion |
Jul. 21, 2009 |
| 7561171 |
Control apparatus and method for image display |
Jul. 14, 2009 |
| 7532767 |
Removing ringing and blocking artifacts from JPEG compressed document images |
May. 12, 2009 |
| 7532365 |
Threshold matrix generation method, threshold matrix generation apparatus, and recording medium |
May. 12, 2009 |
| 7525703 |
Method, apparatus and computer product program for performing shading correction of image processing apparatus |
Apr. 28, 2009 |
| 7492482 |
Image processing apparatus, image processing method and image processing program |
Feb. 17, 2009 |
| 7483083 |
Movie enhancement |
Jan. 27, 2009 |
| 7483587 |
Iterative filtering for dithered imaging |
Jan. 27, 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 |
| 7474846 |
Method and apparatus of determining the best focus position of a lens |
Jan. 6, 2009 |
| 7471831 |
High throughput reconfigurable data analysis system |
Dec. 30, 2008 |
| 7469061 |
Method of photo/text separation in an image |
Dec. 23, 2008 |
| 7446903 |
Image processing device |
Nov. 4, 2008 |
| 7432965 |
Black level correcting device and electronic camera |
Oct. 7, 2008 |
| 7426291 |
Apparatus and method for binarizing images of negotiable instruments using a binarization method chosen based on an image of a partial area |
Sep. 16, 2008 |
| 7423789 |
Contaminant particle identification and compensation with multichannel information during scanner calibration |
Sep. 9, 2008 |
| 7391920 |
Image processing method, apparatus, and program |
Jun. 24, 2008 |
| 7385730 |
Image processing apparatus, image processing method, and printing apparatus and printing system using the image processing apparatus |
Jun. 10, 2008 |
| 7381963 |
Radiation imaging apparatus, radiation imaging system, and program |
Jun. 3, 2008 |
| 7369710 |
Image processing device, image processing method and image processing program |
May. 6, 2008 |
| 7370204 |
Watermark data embedding apparatus and extracting apparatus |
May. 6, 2008 |
| 7369276 |
Multi-level halftoning providing improved texture uniformity |
May. 6, 2008 |
| 7359547 |
Pseudo three dimensional image generating apparatus |
Apr. 15, 2008 |
| 7349571 |
Image processing apparatus and pattern extraction apparatus |
Mar. 25, 2008 |
| 7346231 |
Image processing device including pixel interpolation |
Mar. 18, 2008 |
| 7342684 |
Image processing method and apparatus |
Mar. 11, 2008 |
| 7342696 |
Computational moire compensation |
Mar. 11, 2008 |
| 7339627 |
Method and system for automatic detection and display of aspect ratio |
Mar. 4, 2008 |
| 7339619 |
Image pickup system and image processing program for performing correction on chroma signal |
Mar. 4, 2008 |
| 7336812 |
System for microvolume laser scanning cytometry |
Feb. 26, 2008 |
| 7321684 |
Method for setting dominant color using spatial coherency |
Jan. 22, 2008 |
| 7317559 |
Imaging device and imaging method for use in such device |
Jan. 8, 2008 |
| RE39985 |
Information reproducing system, information recording medium, and information recording apparatus |
Jan. 1, 2008 |
| 7304648 |
Generating one or more linear blends |
Dec. 4, 2007 |
| 7298525 |
Image processing device and image processing program for processing a plurality of color signals formed of a plurality of color components |
Nov. 20, 2007 |
| 7298897 |
Optimal binarization of gray-scaled digital images via fuzzy reasoning |
Nov. 20, 2007 |
| 7295349 |
Systems and methods for compensating for print defects |
Nov. 13, 2007 |
| 7283676 |
Method and device for identifying objects in digital images |
Oct. 16, 2007 |
| 7269528 |
Method evaluating threshold level of a data cell in a memory device |
Sep. 11, 2007 |
| 7245400 |
Method and device for proofing raster print data while maintaining the raster information |
Jul. 17, 2007 |
| 7239342 |
Image processing apparatus and method |
Jul. 3, 2007 |
| 7236643 |
System and method for filtering and binarization of images in the presence of specular noise |
Jun. 26, 2007 |
| 7190821 |
Negotiable instrument processing apparatus |
Mar. 13, 2007 |
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