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Class Information
Number: 358/534
Name: Facsimile and static presentation processing > Natural color facsimile > Specific image-processing circuitry > Halftone processing
Description: Subject matter wherein shades of various darkness between the darkest and lightest elements of the original object are represented by a pattern of dots of varying density in the image.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7630098 |
Dynamic adjustment of raster image processing performance based on colors seen within several runs |
Dec. 8, 2009 |
| 7626723 |
Color-conversion-table creating method |
Dec. 1, 2009 |
| 7623263 |
Settings for monotone printing and color printing |
Nov. 24, 2009 |
| 7623264 |
Method for colorizing a digital halftone |
Nov. 24, 2009 |
| 7623265 |
Image processing apparatus, image forming apparatus, and image processing method |
Nov. 24, 2009 |
| 7619778 |
Method of generating a threshold matrix for producing a color separation, the matrix having a varied intensity distribution, method of reproducing a color image using the threshold matrix, app |
Nov. 17, 2009 |
| 7612916 |
Image processing device, image processing method, and computer program |
Nov. 3, 2009 |
| 7612915 |
Determining composite grays |
Nov. 3, 2009 |
| 7609879 |
Image processing device |
Oct. 27, 2009 |
| 7605949 |
Image processing apparatus and image processing method adapted to correct color unevenness |
Oct. 20, 2009 |
| 7599098 |
System and methods for color matching overprinted documents |
Oct. 6, 2009 |
| 7580153 |
Printed visible fonts with attendant background |
Aug. 25, 2009 |
| 7576888 |
Color reduction processing apparatus and color reduction method |
Aug. 18, 2009 |
| 7564589 |
Color error diffusion with error signal offsets |
Jul. 21, 2009 |
| 7557962 |
System and method for tone-dependent multi-frequency halftone screening |
Jul. 7, 2009 |
| 7551317 |
Color control for a printing press having spectrally based colorimetry |
Jun. 23, 2009 |
| 7548346 |
Image processing apparatus and method for performing error diffusion based on density values of different color components |
Jun. 16, 2009 |
| 7542169 |
Halftone image processing using a dither matrix with a consecutive order and shifted from an adjoining block in a main scan direction |
Jun. 2, 2009 |
| 7542174 |
Image processing method for reducing jaggy effect |
Jun. 2, 2009 |
| 7495798 |
Ejection control of quality-enhancing ink |
Feb. 24, 2009 |
| 7492482 |
Image processing apparatus, image processing method and image processing program |
Feb. 17, 2009 |
| 7483043 |
Spatial-temporal multiplexing |
Jan. 27, 2009 |
| 7483169 |
Image processing device, image processing method, image creating device, computer software and record medium |
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 |
| 7477421 |
Halftoning system |
Jan. 13, 2009 |
| 7468820 |
Profile creation for texture simulation with clear toner |
Dec. 23, 2008 |
| 7466465 |
Load allocation when executing image processing using parallel processing |
Dec. 16, 2008 |
| 7460268 |
Image processing device, image forming device, image processing method, image processing program, and recording medium containing the image processing program recorded thereon |
Dec. 2, 2008 |
| 7460285 |
Load allocation when executing image processing using parallel processing |
Dec. 2, 2008 |
| 7456996 |
Method of processing print data incorporating obscuration detection between layers |
Nov. 25, 2008 |
| 7457002 |
Reverse diffusion digital halftone quantization |
Nov. 25, 2008 |
| 7453604 |
Systems and methods for estimating an image marking process using scanned image attributes |
Nov. 18, 2008 |
| 7436559 |
Load assignment in image processing by parallel processing |
Oct. 14, 2008 |
| 7420708 |
Method for processing color image data employing a stamp field |
Sep. 2, 2008 |
| 7385730 |
Image processing apparatus, image processing method, and printing apparatus and printing system using the image processing apparatus |
Jun. 10, 2008 |
| 7375856 |
Halftone screen frequency and magnitude estimation for digital descreening of documents |
May. 20, 2008 |
| 7375866 |
Image processing system and method for screening |
May. 20, 2008 |
| 7369270 |
Print engine/controller and printhead interface chip incorporating the engine/controller |
May. 6, 2008 |
| 7369272 |
Accuracy of color conversion profile |
May. 6, 2008 |
| 7365881 |
Halftone dot-growth technique based on morphological filtering |
Apr. 29, 2008 |
| 7362472 |
Color error diffusion |
Apr. 22, 2008 |
| 7355753 |
Color saturation adjustment |
Apr. 8, 2008 |
| 7355756 |
Color electrophotographic apparatus and method of processing an image produced thereby |
Apr. 8, 2008 |
| 7352493 |
Enhancement of glossmark images at low and high densities |
Apr. 1, 2008 |
| 7352489 |
Color error diffusion method for multi-level output device |
Apr. 1, 2008 |
| 7345791 |
Image processing device and image processing method |
Mar. 18, 2008 |
| 7342684 |
Image processing method and apparatus |
Mar. 11, 2008 |
| 7342683 |
Data processing method for color management module |
Mar. 11, 2008 |
| 7333244 |
Method and system for embedding an image into two other images |
Feb. 19, 2008 |
| 7333243 |
Calculating error diffusion errors to minimize memory accesses |
Feb. 19, 2008 |
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