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Class Information
Number: 358/463
Name: Facsimile and static presentation processing > Facsimile > Specific signal processing circuitry > Image processing > Noise elimination
Description: Subject matter wherein noise is limited or eliminated during image processing or whereby the signal to noise ratio is improved.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7408682 |
Image reading apparatus |
Aug. 5, 2008 |
| 7400766 |
Image edge extraction via fuzzy reasoning |
Jul. 15, 2008 |
| 7400777 |
Preprocessing for information pattern analysis |
Jul. 15, 2008 |
| 7391928 |
Image processing for correcting defects of read image |
Jun. 24, 2008 |
| 7385732 |
Image reading apparatus, image forming apparatus and image reading method |
Jun. 10, 2008 |
| 7386184 |
Electronic camera |
Jun. 10, 2008 |
| 7382406 |
Noise reduction system, noise reduction method, recording medium, and electronic camera |
Jun. 3, 2008 |
| 7375862 |
Method for multi-function scanner |
May. 20, 2008 |
| 7376210 |
Apparatus and method for performing adaptive channel estimation in a mobile communication system |
May. 20, 2008 |
| 7375856 |
Halftone screen frequency and magnitude estimation for digital descreening of documents |
May. 20, 2008 |
| 7373013 |
Directional video filters for locally adaptive spatial noise reduction |
May. 13, 2008 |
| 7373015 |
Image processing device and method |
May. 13, 2008 |
| 7369282 |
Document reading device |
May. 6, 2008 |
| 7369712 |
Automated statistical self-calibrating detection and removal of blemishes in digital images based on multiple occurrences of dust in images |
May. 6, 2008 |
| 7359093 |
Systems and methods for streak detection in image array scanning using overdetermined scanners and column filtering |
Apr. 15, 2008 |
| 7356194 |
Image processing method, apparatus, and program |
Apr. 8, 2008 |
| 7352909 |
Weighted overcomplete de-noising |
Apr. 1, 2008 |
| 7352916 |
Method of coding artifacts reduction |
Apr. 1, 2008 |
| 7352495 |
Image reading apparatus |
Apr. 1, 2008 |
| 7340109 |
Automated statistical self-calibrating detection and removal of blemishes in digital images dependent upon changes in extracted parameter values |
Mar. 4, 2008 |
| 7339620 |
Image sensing apparatus having a signal processing device that uses a signal imaged in a non-exposure state to process a signal in an exposure state |
Mar. 4, 2008 |
| 7336402 |
Image reading apparatus |
Feb. 26, 2008 |
| 7333669 |
Selecting an image processing path to provide desired noise |
Feb. 19, 2008 |
| 7333671 |
Image processing method to improve image sharpness |
Feb. 19, 2008 |
| 7324704 |
Method of repairing scratches in digital images |
Jan. 29, 2008 |
| 7315658 |
Digital camera |
Jan. 1, 2008 |
| 7310450 |
Method of detecting and correcting dust in digital images based on aura and shadow region analysis |
Dec. 18, 2007 |
| 7310170 |
Communication apparatus, communication method, image forming apparatus utilizing such method, unit connected to image forming apparatus and image forming system |
Dec. 18, 2007 |
| 7307766 |
Black and white image detection |
Dec. 11, 2007 |
| 7308156 |
Automated statistical self-calibrating detection and removal of blemishes in digital images based on a dust map developed from actual image data |
Dec. 11, 2007 |
| 7302108 |
System and method for creating information handling system restore media |
Nov. 27, 2007 |
| 7277596 |
Apparatus configured to eliminate image data show-through |
Oct. 2, 2007 |
| 7274828 |
Method and apparatus for detecting and processing noisy edges in image detail enhancement |
Sep. 25, 2007 |
| 7274486 |
Image data correcting device for correcting image data to remove back projection without eliminating halftone image |
Sep. 25, 2007 |
| 7272268 |
Registration of separations |
Sep. 18, 2007 |
| 7262884 |
Image processing apparatus and image processing method |
Aug. 28, 2007 |
| 7251059 |
System for distinguishing line patterns from halftone screens in image data |
Jul. 31, 2007 |
| 7248745 |
Differential image adjustments |
Jul. 24, 2007 |
| 7245321 |
Readout circuit with gain and analog-to-digital conversion for image sensor |
Jul. 17, 2007 |
| 7245776 |
Image processing apparatus and its method, program and storage medium |
Jul. 17, 2007 |
| 7245784 |
Image processing for correcting defects of read image |
Jul. 17, 2007 |
| 7236643 |
System and method for filtering and binarization of images in the presence of specular noise |
Jun. 26, 2007 |
| 7236270 |
Method of setting reference data of shading corrections, and image reading apparatus |
Jun. 26, 2007 |
| 7218425 |
Dust and/or dirt detection in image reading apparatus having read-while-feed function |
May. 15, 2007 |
| 7215822 |
Image processing device and image outputting device |
May. 8, 2007 |
| 7212686 |
Image processing apparatus |
May. 1, 2007 |
| 7206461 |
Digital image acquisition and processing system |
Apr. 17, 2007 |
| 7200280 |
Image processing apparatus |
Apr. 3, 2007 |
| 7170644 |
Method and system for reducing distortion in scanned images |
Jan. 30, 2007 |
| 7167595 |
Image processing apparatus and recording medium, and image processing apparatus |
Jan. 23, 2007 |
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