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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 |
| 6041133 |
Method and apparatus for fingerprint matching using transformation parameter clustering based on local feature correspondences |
Mar. 21, 2000 |
| 6041139 |
Image processing apparatus |
Mar. 21, 2000 |
| 6031931 |
Automated visual inspection apparatus |
Feb. 29, 2000 |
| 6031935 |
Method and apparatus for segmenting images using constant-time deformable contours |
Feb. 29, 2000 |
| 6026182 |
Feature segmentation |
Feb. 15, 2000 |
| 6026184 |
Image processor for restoring bi-level pixel data to multi-level pixel data |
Feb. 15, 2000 |
| 6026185 |
Outline image generation apparatus and method that generates space correction data |
Feb. 15, 2000 |
| 6023521 |
Pulse domain neuromorphic integrated circuit for computing motion |
Feb. 8, 2000 |
| 6021221 |
Image processing apparatus |
Feb. 1, 2000 |
| 6021222 |
System and method for the detection of a circle image for pattern recognition |
Feb. 1, 2000 |
| 6018590 |
Technique for finding the histogram region of interest based on landmark detection for improved tonescale reproduction of digital radiographic images |
Jan. 25, 2000 |
| 6015089 |
High speed image acquisition system and method of processing and decoding bar code symbol |
Jan. 18, 2000 |
| 6014462 |
Image processing apparatus and method for distinguishing alphanumeric symbols on a white background and those on a mesh pattern and individually processing such image data |
Jan. 11, 2000 |
| 6011635 |
Image reading apparatus and method for correcting a read image |
Jan. 4, 2000 |
| 6009197 |
Method and apparatus for generating image data |
Dec. 28, 1999 |
| 6005959 |
Produce size recognition system |
Dec. 21, 1999 |
| 6005963 |
System and method for determining if a fingerprint image contains an image portion representing a partial fingerprint impression |
Dec. 21, 1999 |
| 6005966 |
Method and apparatus for multi-stream detection of high density metalization layers of multilayer structures having low contrast |
Dec. 21, 1999 |
| 6005974 |
Apparatus for extracting feature information from images of an object having different focus conditions |
Dec. 21, 1999 |
| 6005975 |
Circuit for compensating pattern recognition type edge of video signal processor |
Dec. 21, 1999 |
| 6005978 |
Robust search for image features across image sequences exhibiting non-uniform changes in brightness |
Dec. 21, 1999 |
| 6002797 |
Apparatus for detecting position of featuring region of picture, such as subtitle or imageless part |
Dec. 14, 1999 |
| 5999187 |
Fly-through computer aided design method and apparatus |
Dec. 7, 1999 |
| 5999651 |
Apparatus and method for tracking deformable objects |
Dec. 7, 1999 |
| 5995661 |
Image boundary detection for a scanned image |
Nov. 30, 1999 |
| 5995662 |
Edge detecting method and edge detecting device which detects edges for each individual primary color and employs individual color weighting coefficients |
Nov. 30, 1999 |
| 5995672 |
Method for reducing alpha plane bit mask size |
Nov. 30, 1999 |
| 5987151 |
Apparatus for detecting visual axis |
Nov. 16, 1999 |
| 5987154 |
Method and means for detecting people in image sequences |
Nov. 16, 1999 |
| 5987159 |
System or method for detecting defect within a semi-opaque enclosure |
Nov. 16, 1999 |
| 5987172 |
Edge peak contour tracker |
Nov. 16, 1999 |
| 5987173 |
Interactive drawing recognition processing method and apparatus thereof |
Nov. 16, 1999 |
| 5987174 |
Image processing apparatus for vehicles |
Nov. 16, 1999 |
| 5982942 |
Image-quality measuring method |
Nov. 9, 1999 |
| 5978504 |
Fast planar segmentation of range data for mobile robots |
Nov. 2, 1999 |
| 5978512 |
Polygonal approximation method and apparatus for use in a contour encoding system |
Nov. 2, 1999 |
| 5978520 |
Method of recognizing image data and apparatus therefor |
Nov. 2, 1999 |
| 5974165 |
Automated method and system for the alignment and correlation of images from two different modalities |
Oct. 26, 1999 |
| 5974169 |
Machine vision methods for determining characteristics of an object using boundary points and bounding regions |
Oct. 26, 1999 |
| 5974174 |
Picture-information processing apparatus |
Oct. 26, 1999 |
| 5974175 |
Image processing apparatus and method for detecting a contour of an object from images of a motion picture and extracting the object therefrom |
Oct. 26, 1999 |
| 5974195 |
Image processing apparatus and method |
Oct. 26, 1999 |
| 5974197 |
Loop filter and loop filtering method |
Oct. 26, 1999 |
| 5966469 |
Sequential polygon approximation apparatus for contour and method thereof |
Oct. 12, 1999 |
| 5960102 |
X-ray image processing method and device for performing that method in which a portion corresponding to an x-ray absorption filter is selectively processed |
Sep. 28, 1999 |
| 5956156 |
Processing apparatus capable of discriminating between pseudo half-tone/non-half-tone image data based upon the number of adjacencies of similar type of pixels within a block |
Sep. 21, 1999 |
| 5956420 |
Image processor |
Sep. 21, 1999 |
| 5953440 |
Method of measuring the focus of close-up images of eyes |
Sep. 14, 1999 |
| 5953448 |
Contour measurement of an object having a discontinuous surface using block point identification techniques |
Sep. 14, 1999 |
| 5953452 |
Optical-digital method and processor for pattern recognition |
Sep. 14, 1999 |
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