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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/273
Name: Image analysis > Image enhancement or restoration > Variable threshold, gain, or slice level > Based on peak levels
Description: Subject matter wherein the threshold or quantization value of a particular image element is set according to the highest and/or lowest amplitude of some measured signal, such as the grey levels of neighboring image elements or a white or black signal produced by scanning a reference plate prior to scanning the image.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8649616 Image processing apparatus and image processing method Feb. 11, 2014
8639042 Hierarchical filtered motion field for action recognition Jan. 28, 2014
8577178 Image processing device, image display device, and image data producing method Nov. 5, 2013
8571271 Dual-phase red eye correction Oct. 29, 2013
8478065 Pixel processing Jul. 2, 2013
8442350 Edge parameter computing method for image and image noise omitting method utilizing the edge parameter computing method May. 14, 2013
8355561 Method for screening of multi-junction solar cells Jan. 15, 2013
8351691 Object extraction in colour compound documents Jan. 8, 2013
8311329 Relative threshold and use of edges in optical character recognition process Nov. 13, 2012
8306352 Image processing method and apparatus Nov. 6, 2012
8180115 Two stage detection for photographic eye artifacts May. 15, 2012
8155448 Image processing apparatus and method thereof Apr. 10, 2012
8133741 Methods and systems for delivery of fluidic samples to sensor arrays Mar. 13, 2012
8090213 Image processing device and method Jan. 3, 2012
7978927 Image processing apparatus Jul. 12, 2011
7953286 Automatic contrast enhancement May. 31, 2011
7941007 Low level video detail tracking by intuitionistic fuzzy relationship calculus May. 10, 2011
7936938 Methods and devices for encoding a digital image signal and associated decoding methods and devices May. 3, 2011
7768674 Exposure determining device and exposure determining method Aug. 3, 2010
7751643 Method and apparatus for removing uneven brightness in an image Jul. 6, 2010
7746501 Method and device for compressing image data Jun. 29, 2010
7723120 Optical sensor array system and method for parallel processing of chemical and biochemical information May. 25, 2010
7705802 Method for performing high-speed error diffusion and plasma display panel driving apparatus using the same Apr. 27, 2010
7702176 One dimensional feature enhancement Apr. 20, 2010
7639937 Method and apparatus for auto focusing an imaging device Dec. 29, 2009
7630574 Image encoding method and image apparatus Dec. 8, 2009
7613338 Image processing method and apparatus, program, and storage medium Nov. 3, 2009
7599572 System for manipulating noise in digital images Oct. 6, 2009
7525703 Method, apparatus and computer product program for performing shading correction of image processing apparatus Apr. 28, 2009
7502529 Low level video detail tracking by intuitionistic fuzzy relationship calculus Mar. 10, 2009
7474846 Method and apparatus of determining the best focus position of a lens Jan. 6, 2009
7466853 Method and apparatus for detecting defects on a wafer Dec. 16, 2008
7453468 Intelligent color to texture converter Nov. 18, 2008
7388997 One dimensional feature enhancement Jun. 17, 2008
7370204 Watermark data embedding apparatus and extracting apparatus May. 6, 2008
7369276 Multi-level halftoning providing improved texture uniformity May. 6, 2008
7324243 Fluorescent color scanning method for use in a scanner Jan. 29, 2008
7298896 Image processing device for optically decoding an image recorded on a medium for digital transmission of the image information Nov. 20, 2007
7265878 Method of shortening multiple-image scanning duration Sep. 4, 2007
7158686 Enhancing the tonal characteristics of digital images using inflection points in a tone scale function Jan. 2, 2007
7027637 Adaptive threshold determination for ball grid array component modeling Apr. 11, 2006
7019756 Apparatus and method for brightness control Mar. 28, 2006
7006682 Apparatus for monitoring particles and method of doing the same Feb. 28, 2006
6987542 Detection and correction of asymmetric transient signals Jan. 17, 2006
6980332 System and method of automated scan workflow assignment Dec. 27, 2005
6975433 Method and apparatus for reading image information Dec. 13, 2005
6965696 Image processing device for image region discrimination Nov. 15, 2005
6952495 Method for quantization of histogram bin value of image Oct. 4, 2005
6941027 Method of and system for automatically determining a level of light falloff in an image Sep. 6, 2005
6941006 Method and system for calibrating the scan amplitude of an electron beam lithography instrument Sep. 6, 2005

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