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Class Information
Number: 382/263
Name: Image analysis > Image enhancement or restoration > Image filter > Highpass filter (i.e., for sharpening or enhancing details)
Description: Subject matter wherein low-frequency components of the image are attenuated or eliminated.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623726 |
Method and apparatus for using a virtual camera to dynamically refocus a digital image |
Nov. 24, 2009 |
| 7616349 |
Font sharpening for image output device |
Nov. 10, 2009 |
| 7613354 |
Image processing device and method, recording medium, and program |
Nov. 3, 2009 |
| 7596701 |
Online data encryption and decryption |
Sep. 29, 2009 |
| 7593588 |
Edge preservation type image processing device |
Sep. 22, 2009 |
| 7593589 |
Image processing device for processing an image including multiple pixels to create a new image by emphasizing edges of an image |
Sep. 22, 2009 |
| 7593592 |
Method of detecting blocking artifacts |
Sep. 22, 2009 |
| 7593587 |
Spectral feature generation using high-pass filtering for scene anomaly detection |
Sep. 22, 2009 |
| 7590302 |
Image edge enhancement system and method |
Sep. 15, 2009 |
| 7586658 |
Method and apparatus for removing color noise in image signal |
Sep. 8, 2009 |
| 7577299 |
Image pickup apparatus and image pickup method |
Aug. 18, 2009 |
| 7570831 |
System and method for estimating image noise |
Aug. 4, 2009 |
| 7570830 |
Test method for image sharpness |
Aug. 4, 2009 |
| 7567724 |
Image processing apparatus, image processing method, program of image processing method, and recording medium in which program of image processing method has been recorded |
Jul. 28, 2009 |
| 7557963 |
Label aided copy enhancement |
Jul. 7, 2009 |
| 7558436 |
Image dynamic range control for visual display |
Jul. 7, 2009 |
| 7536052 |
Corner sharpening of text and line art in a super resolution anti-aliasing image path |
May. 19, 2009 |
| 7515765 |
Image sharpness management |
Apr. 7, 2009 |
| 7512284 |
Volumetric image enhancement system and method |
Mar. 31, 2009 |
| 7505841 |
Vision-based occupant classification method and system for controlling airbag deployment in a vehicle restraint system |
Mar. 17, 2009 |
| 7502524 |
Method and apparatus of processing a skin print image |
Mar. 10, 2009 |
| 7474798 |
Method and device for image processing, in addition to a night viewing system for motor vehicles |
Jan. 6, 2009 |
| 7466364 |
Device for reducing flicker defects |
Dec. 16, 2008 |
| 7466459 |
Method for enhancing scan resolution |
Dec. 16, 2008 |
| 7463784 |
Image processing method and apparatus for image sharpening |
Dec. 9, 2008 |
| 7454081 |
Method and system for video edge enhancement |
Nov. 18, 2008 |
| 7433084 |
Digital de-screening technique for scanned documents |
Oct. 7, 2008 |
| 7433536 |
Method for enhancing a digital image while suppressing undershoots and overshoots |
Oct. 7, 2008 |
| 7430334 |
Digital imaging systems, articles of manufacture, and digital image processing methods |
Sep. 30, 2008 |
| 7430336 |
Method and apparatus for image enhancement for low bit rate video compression |
Sep. 30, 2008 |
| 7424166 |
Enhancing the quality of decoded quantized images |
Sep. 9, 2008 |
| 7424167 |
Tide filtering for video surveillance system |
Sep. 9, 2008 |
| 7412106 |
Methods for locating and decoding distorted two-dimensional matrix symbols |
Aug. 12, 2008 |
| 7412107 |
System and method for robust multi-frame demosaicing and color super-resolution |
Aug. 12, 2008 |
| 7391919 |
Edge correction apparatus, edge correction method, program, and storage medium |
Jun. 24, 2008 |
| 7391933 |
Method and apparatus for image interpolation based on adaptive polyphase filters |
Jun. 24, 2008 |
| 7379213 |
Output image adjustment of image data |
May. 27, 2008 |
| 7379611 |
Generic image hallucination |
May. 27, 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 |
| 7373010 |
Method and device for post-processing digital images |
May. 13, 2008 |
| 7372905 |
Filtering intensity decision method, moving picture encoding method, and moving picture decoding method |
May. 13, 2008 |
| 7366351 |
Camera having processor for up-interpolating Bayer image for printing by internal printer |
Apr. 29, 2008 |
| 7362912 |
Method and system for immediately determining incorrect pixel values of a captured image |
Apr. 22, 2008 |
| 7359567 |
Signal processing apparatus for eliminating ringing signal and method thereof, record medium, and program |
Apr. 15, 2008 |
| 7356197 |
Variable tap filter architecture for image processing |
Apr. 8, 2008 |
| 7355757 |
Fast edge reconstruction with upscaling for pulse width modulation rendering |
Apr. 8, 2008 |
| 7355755 |
Image processing apparatus and method for accurately detecting character edges |
Apr. 8, 2008 |
| 7348991 |
Video/graphics text mode enhancement method for digitally processed data |
Mar. 25, 2008 |
| 7346226 |
Method and apparatus for MPEG artifacts reduction |
Mar. 18, 2008 |
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