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Class Information
Number: 358/447
Name: Facsimile and static presentation processing > Facsimile > Specific signal processing circuitry > Signal enhancing
Description: Subject matter including circuitry for modifying or operating on selected portions of the signal to restore or improve detail in the reproduced image.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605951 |
Image reader, image forming and reproducing apparatus, and image reading method |
Oct. 20, 2009 |
| 7567254 |
Parallel texture synthesis having controllable jitter |
Jul. 28, 2009 |
| 7502144 |
Method of preparing bit map |
Mar. 10, 2009 |
| 7499599 |
Method of real-time correction of non-functioning pixels in digital radiography |
Mar. 3, 2009 |
| 7474799 |
System and method for electronic correction of optical anomalies |
Jan. 6, 2009 |
| 7428077 |
Electronic device controller, and method for controlling electronic device |
Sep. 23, 2008 |
| 7379210 |
Image processing apparatus, image forming apparatus, and image processing method |
May. 27, 2008 |
| 7349128 |
Image scanner and peak detecting processing method of image scanner |
Mar. 25, 2008 |
| 7321699 |
Signal intensity range transformation apparatus and method |
Jan. 22, 2008 |
| 7239431 |
System and method for recovering primary channel operation in a facsimile receiver and facsimile machine incorporating the same |
Jul. 3, 2007 |
| 7236643 |
System and method for filtering and binarization of images in the presence of specular noise |
Jun. 26, 2007 |
| 7218791 |
Image processing device and method, and imaging device |
May. 15, 2007 |
| 7173741 |
System and method for handling bad pixels in image sensors |
Feb. 6, 2007 |
| 7098964 |
Apparatus and method for slope-enhancement of signal transitions in television pictures |
Aug. 29, 2006 |
| 7092119 |
Method, system, and program for managing calibration files in a printing system |
Aug. 15, 2006 |
| 7064874 |
Both-side document reading apparatus and both-side document reading method |
Jun. 20, 2006 |
| 7042602 |
Image correction apparatus and recording medium having image correction program |
May. 9, 2006 |
| 7034966 |
System and method for performing intermediate image processing |
Apr. 25, 2006 |
| 6980332 |
System and method of automated scan workflow assignment |
Dec. 27, 2005 |
| 6975433 |
Method and apparatus for reading image information |
Dec. 13, 2005 |
| 6970258 |
Non-printing patterns for improving font print quality |
Nov. 29, 2005 |
| RE38890 |
Device for converting data using look-up tables |
Nov. 22, 2005 |
| 6927874 |
Image processing method, apparatus and storage medium therefor |
Aug. 9, 2005 |
| 6904165 |
Color image processing apparatus and method for color enhancement |
Jun. 7, 2005 |
| 6867875 |
Method and apparatus for simplifying fax transmissions using user-circled region detection |
Mar. 15, 2005 |
| 6856704 |
Method for enhancing a digital image based upon pixel color |
Feb. 15, 2005 |
| 6822766 |
Correction for debris and low output photosensors in scroll fed scanner using stored initial calibration data |
Nov. 23, 2004 |
| 6807313 |
Method of adaptively enhancing a digital image |
Oct. 19, 2004 |
| 6775410 |
Image processing method for sharpening corners of text and line art |
Aug. 10, 2004 |
| 6766068 |
Interpolating operation method and apparatus for image signals |
Jul. 20, 2004 |
| 6754398 |
Method of and system for image processing and recording medium for carrying out the method |
Jun. 22, 2004 |
| 6731822 |
Method and apparatus for filtering images having insufficient tonal precision |
May. 4, 2004 |
| 6724942 |
Image processing method and system |
Apr. 20, 2004 |
| 6700685 |
Image processing apparatus |
Mar. 2, 2004 |
| 6687414 |
Method and system for normalizing a plurality of signals having a shared component |
Feb. 3, 2004 |
| 6633415 |
Image input apparatus and method for controlling the same |
Oct. 14, 2003 |
| 6628436 |
Image scanning apparatus |
Sep. 30, 2003 |
| 6624912 |
Method for correcting vertical alignment error in shuttle scanner |
Sep. 23, 2003 |
| 6618173 |
Method for automatic prevention of vertical streaks by selectively applying gains to the output signals of optical sensor elements |
Sep. 9, 2003 |
| 6600518 |
Adaptive clipping prevention for picture sharpness enhancement |
Jul. 29, 2003 |
| 6583897 |
Non-local approach to resolution enhancement |
Jun. 24, 2003 |
| 6507677 |
Image data adjusting device and method |
Jan. 14, 2003 |
| 6466695 |
Procedure for automatic analysis of images and image sequences based on two-dimensional shape primitives |
Oct. 15, 2002 |
| 6445831 |
Image processing method and apparatus |
Sep. 3, 2002 |
| 6411399 |
System for resolution enhancement, such as in a multi-pass ink-jet printer |
Jun. 25, 2002 |
| 6377359 |
Information processing apparatus |
Apr. 23, 2002 |
| 6373992 |
Method and apparatus for image processing |
Apr. 16, 2002 |
| 6370278 |
Image processing method and apparatus |
Apr. 9, 2002 |
| 6347159 |
Method and system for processing image information using screening and error diffusion |
Feb. 12, 2002 |
| 6347162 |
Image processing apparatus |
Feb. 12, 2002 |
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