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Class Information
Number: 382/199
Name: Image analysis > Pattern recognition > Feature extraction > Local or regional features > Pattern boundary and edge measurements
Description: Subject matter wherein local features are extracted specifically in areas of transition between the pattern* and the background, thereby producing so-called transition, edge, or boundary signals.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6728417 |
Measurement apparatus |
Apr. 27, 2004 |
| 6724938 |
Boundary line detecting method and apparatus, image processing method and apparatus, non-boundary line detecting method and apparatus |
Apr. 20, 2004 |
| 6724945 |
Correcting defect pixels in a digital image |
Apr. 20, 2004 |
| 6721450 |
Curvature based system for the segmentation and analysis of image data |
Apr. 13, 2004 |
| 6721453 |
Method and apparatus for processing an image of an agricultural field |
Apr. 13, 2004 |
| 6721457 |
Method for enhancing digital images |
Apr. 13, 2004 |
| 6717697 |
Image-component rendering method and recording medium in which image-component rendering program is recorded |
Apr. 6, 2004 |
| 6718048 |
Method for recognizing a target component image within an image having multiple component images |
Apr. 6, 2004 |
| 6718062 |
System and method for matching curves of multiple images representing a scene |
Apr. 6, 2004 |
| 6714662 |
Method and apparatus for determining the quality of an image of an agricultural field using a plurality of fuzzy logic input membership functions |
Mar. 30, 2004 |
| 6714671 |
Method of detecting pattern defects |
Mar. 30, 2004 |
| 6714679 |
Boundary analyzer |
Mar. 30, 2004 |
| 6711278 |
Tracking semantic objects in vector image sequences |
Mar. 23, 2004 |
| 6711292 |
Block selection of table features |
Mar. 23, 2004 |
| 6707943 |
Method of monitoring the quality of distributed digital images by detecting false contours |
Mar. 16, 2004 |
| 6707952 |
Method for removing ringing artifacts from locations near dominant edges of an image reconstructed after compression |
Mar. 16, 2004 |
| 6704451 |
Method and arrangement for objective assessment of video quality |
Mar. 9, 2004 |
| 6704462 |
Scaling control for image scanners |
Mar. 9, 2004 |
| 6701003 |
Component identification system for electronic board testers |
Mar. 2, 2004 |
| 6701009 |
Method of separated color foreground and background pixel improvement |
Mar. 2, 2004 |
| 6701014 |
Method and apparatus for matching slides in video |
Mar. 2, 2004 |
| 6701015 |
Character string extraction apparatus and method based on basic component in document image |
Mar. 2, 2004 |
| 6697497 |
Boundary identification and characterization through density differencing |
Feb. 24, 2004 |
| 6697535 |
Method for refining a parameter of a contour in an image |
Feb. 24, 2004 |
| 6694057 |
Method and apparatus for processing images with curves |
Feb. 17, 2004 |
| 6690827 |
Approximation method of shape data, information processing apparatus and medium |
Feb. 10, 2004 |
| 6690838 |
Image processing circuit and method for reducing a difference between pixel values across an image boundary |
Feb. 10, 2004 |
| 6690842 |
Apparatus and method for detection and sub-pixel location of edges in a digital image |
Feb. 10, 2004 |
| 6687392 |
System for accurately obtaining a contour and/or quantitative information from an echo image with reduced manual operation |
Feb. 3, 2004 |
| 6687402 |
Machine vision methods and systems for boundary feature comparison of patterns and images |
Feb. 3, 2004 |
| 6687420 |
Image reading apparatus |
Feb. 3, 2004 |
| 6683984 |
Digital imaging device with background training |
Jan. 27, 2004 |
| 6683995 |
Method and apparatus for correcting large defects in digital images |
Jan. 27, 2004 |
| 6681047 |
Method and system for determining character edges based upon edges pair and image characteristics of pixels between the edge pair |
Jan. 20, 2004 |
| 6674902 |
Image processing apparatus image processing method, and storage medium |
Jan. 6, 2004 |
| 6674903 |
Method for smoothing staircase effect in enlarged low resolution images |
Jan. 6, 2004 |
| 6674904 |
Contour tracing and boundary detection for object identification in a digital image |
Jan. 6, 2004 |
| 6674905 |
Image processing method, image processing apparatus, and storage medium |
Jan. 6, 2004 |
| 6674906 |
Method and apparatus for detecting edges in a mixed image |
Jan. 6, 2004 |
| 6674919 |
Method for determining the skew angle of a two-dimensional barcode |
Jan. 6, 2004 |
| 6671395 |
Document image processing with stroke preservation and background suppression |
Dec. 30, 2003 |
| 6665439 |
Image recognition method and apparatus utilizing edge detection based on magnitudes of color vectors expressing color attributes of respective pixels of color image |
Dec. 16, 2003 |
| 6665440 |
System and method for performing corner guided curve matching of multiple images representing a scene |
Dec. 16, 2003 |
| 6654497 |
Image processing apparatus, method and storage medium |
Nov. 25, 2003 |
| 6650777 |
Searching and filtering content streams using contour transformations |
Nov. 18, 2003 |
| 6647131 |
Motion detection using normal optical flow |
Nov. 11, 2003 |
| 6647142 |
Badge identification system |
Nov. 11, 2003 |
| 6647146 |
Image processing apparatus |
Nov. 11, 2003 |
| 6647147 |
Method for measuring fine pattern, apparatus for measuring fine pattern, and record medium that can store therein program to measure fine pattern and can be read by using computer |
Nov. 11, 2003 |
| 6647148 |
Boundary line detecting method |
Nov. 11, 2003 |
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