| |
 |
|
Class Information
Number: 348/619
Name: Television > Image signal processing circuitry specific to television > Noise or undesired signal reduction > For removal of low amplitude random noise (e.g., variable bandwidth) > Averaging type
Description: Subject matter wherein the pixels amplitude is replaced by an amplitude which is an average of itself and at least one other adjacent pixel.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7330218 |
Adaptive bidirectional filtering for video noise reduction |
Feb. 12, 2008 |
| 7268821 |
Upconversion with noise constrained diagonal enhancement |
Sep. 11, 2007 |
| 7176982 |
Recursive noise reduction with still pixel detection |
Feb. 13, 2007 |
| 7098963 |
Method and apparatus for attenuating image noise |
Aug. 29, 2006 |
| 7064793 |
Method and apparatus for measuring the noise contained in a picture |
Jun. 20, 2006 |
| 7050646 |
Image processing system and method for image segmentation using intensity contrast and depth contrast values |
May. 23, 2006 |
| 6999634 |
Spatio-temporal joint filter for noise reduction |
Feb. 14, 2006 |
| 6987542 |
Detection and correction of asymmetric transient signals |
Jan. 17, 2006 |
| 6788353 |
System and method for scaling images |
Sep. 7, 2004 |
| 6784944 |
Motion adaptive noise reduction method and system |
Aug. 31, 2004 |
| 6747697 |
Method and apparatus for digital image defect correction and noise filtering |
Jun. 8, 2004 |
| 6731820 |
Image filter circuit and image filtering method |
May. 4, 2004 |
| 6710818 |
ILLUMINATION FLICKER DETECTION APPARATUS, AN ILLUMINATION FLICKER COMPENSATION APPARATUS, AND AN AC LINE FREQUENCY DETECTION APPARATUS, METHODS OF DETECTING ILLUMINATION FLICKER, COMPENSATING |
Mar. 23, 2004 |
| 6657676 |
Spatio-temporal filtering method for noise reduction during a pre-processing of picture sequences in video encoders |
Dec. 2, 2003 |
| 6628341 |
Correcting interlaced video |
Sep. 30, 2003 |
| 6560287 |
Source coder and its coding method |
May. 6, 2003 |
| 6433834 |
Method for suppressing noise in signals |
Aug. 13, 2002 |
| 6384872 |
Method and apparatus for interlaced image enhancement |
May. 7, 2002 |
| 6320622 |
De-emphasis filter with integrated determination of achromatic values |
Nov. 20, 2001 |
| 6219101 |
Method and apparatus for video flicker filter |
Apr. 17, 2001 |
| 6127956 |
Post-conversion system for an analog-to-digital converter which sets an added bit of resolution if an intermediate sample is within a threshold |
Oct. 3, 2000 |
| 6100937 |
Method and system for combining multiple images into a single higher-quality image |
Aug. 8, 2000 |
| 6067125 |
Structure and method for film grain noise reduction |
May. 23, 2000 |
| 5886751 |
Method of eliminating interference signals from video signals |
Mar. 23, 1999 |
| 5880791 |
Method and apparatus for filtering data in which the required storage capacity is reduced |
Mar. 9, 1999 |
| 5777756 |
Video processing apparatus with multiple image signal integration and reduction for decreasing noise |
Jul. 7, 1998 |
| 5742355 |
Method and apparatus for reducing noise in a video signal |
Apr. 21, 1998 |
| 5701163 |
Video processing method and apparatus |
Dec. 23, 1997 |
| 5625421 |
Suppression of sawtooth artifacts in an interlace-to-progressive converted signal |
Apr. 29, 1997 |
| 5585859 |
System for reducing beat type impairments in a TV signal |
Dec. 17, 1996 |
| 5534946 |
Apparatus for performing motion-compensated picture signal interpolation |
Jul. 9, 1996 |
| 5528292 |
Electric still camera having a plurality of image pickup elements with color filters |
Jun. 18, 1996 |
| 5519453 |
Method of eliminating interfernce signals from video signals |
May. 21, 1996 |
| 5471878 |
Method of suppressing grain noise in ultrasonic waveform data by 3D filtering |
Dec. 5, 1995 |
| 5448304 |
Process for reducing the noise of a video signal |
Sep. 5, 1995 |
| 5428463 |
Picture image photgraphing apparatus |
Jun. 27, 1995 |
| 5404178 |
Noise eliminating circuit |
Apr. 4, 1995 |
| 5400082 |
Device for reducing noise in a composite video signal |
Mar. 21, 1995 |
| 5394192 |
Method of measuring the noise in an active video image and device for implementing the method |
Feb. 28, 1995 |
| 5392211 |
Image processing apparatus |
Feb. 21, 1995 |
| 5260775 |
Time domain television noise reduction system |
Nov. 9, 1993 |
| 5113258 |
Compensation circuit for the correction of image defects of a television image |
May. 12, 1992 |
| 5027209 |
Interpolation circuit for digital signal processor |
Jun. 25, 1991 |
| 4931857 |
Voltage controlled comb filter |
Jun. 5, 1990 |
| 4878116 |
Vector lock-in imaging system |
Oct. 31, 1989 |
| 4876734 |
Image signal processing method and apparatus |
Oct. 24, 1989 |
| 4829379 |
Picture image signal compensation device |
May. 9, 1989 |
| 4800511 |
Method of smoothing image data |
Jan. 24, 1989 |
| 4799106 |
Controlling image signals in an imaging apparatus |
Jan. 17, 1989 |
| 4779135 |
Multi-image composer |
Oct. 18, 1988 |
|
|
|
