Patents
Patents for G06K 9 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints (160,016)
10/1991
10/22/1991US5060277 Pattern classification means using feature vector regions preconstructed from reference data
10/22/1991US5060276 Technique for object orientation detection using a feed-forward neural network
10/22/1991CA1291265C Binary coding circuit for ocr
10/17/1991WO1991015826A1 Automated cytological specimen classification system and method
10/16/1991EP0451565A2 Method using an assembly of means capable of making visible complex latent information and installation for carrying out this method
10/16/1991EP0451252A1 Ratio detection character recognition apparatus
10/15/1991US5058189 Apparatus and method for area designation on a document
10/15/1991US5058188 Manual scan type image reader for correcting read image data to faithfully reproduce read image
10/15/1991US5058184 Hierachical information processing system
10/15/1991US5058183 Real video time size selection mode
10/15/1991US5058182 Method and apparatus for handwritten character recognition
10/15/1991US5058181 Hardware and software image processing system
10/15/1991US5058180 Neural network apparatus and method for pattern recognition
10/15/1991US5058179 Hierarchical constrained automatic learning network for character recognition
10/15/1991US5057019 Computerized facial identification system
10/10/1991DE4011041A1 Detecting bodies in path of motor vehicle - illuminating data by two differentially coloured sources or with polarised light and evaluating received light
10/09/1991EP0451036A2 A document acknowledge system having horizontal/vertical-run length smoothing algorithm circuits and a document region divide circuit
10/09/1991EP0450786A2 Fingerprint characterisation technique
10/09/1991EP0450522A2 A learning method for a data processing system
10/09/1991EP0450051A1 Character recognition apparatus
10/08/1991US5056147 Recognition procedure and an apparatus for carrying out the recognition procedure
10/02/1991EP0449380A2 Method and device for detecting patterns adapted automatically for the level of noise
10/02/1991EP0449231A1 Process and apparatus for measuring the biocurrent distribution
10/02/1991EP0448956A2 Target recognition using quantization indexes
10/02/1991EP0448890A1 Method of processing signal data on the basis of prinicipal component transform, apparatus for performing the method
10/01/1991US5054104 Optical character reader
10/01/1991US5054102 Self-centering character stroke thickening for optical character recognition
10/01/1991US5054101 Thresholding of gray level images using fractal dimensions
10/01/1991US5054099 Binary image reduction method
10/01/1991US5054098 Method of detecting the skew angle of a printed business form
10/01/1991US5054096 Method and apparatus for converting documents into electronic data for transaction processing
10/01/1991US5054095 Method of recognizing a pattern in a field having a multi-valent amplitude, and device for performing such a method
10/01/1991US5054094 Rotationally impervious feature extraction for optical character recognition
10/01/1991US5054093 Parallel, multi-unit, adaptive, nonlinear pattern class separator and identifier
10/01/1991US5054092 Hand-operated low cost magnetic character recognition system
10/01/1991US5054091 Method for determining coordinates of circumscribed rectangular frame of each character for use in optical character reader
10/01/1991US5054090 Fingerprint correlation system with parallel FIFO processor
10/01/1991US5054089 Individual identification apparatus
10/01/1991US5054088 Signature verification data compression for storage on an identification card
10/01/1991US5053994 Method and apparatus for applying a potential difference across a selected region of a substrate
10/01/1991US5053615 Correction algorithm for contiguous CCD elements leakage
10/01/1991CA1290063C Broadcast information classification system and method
09/1991
09/26/1991DE4009051A1 Biometric identification and access monitoring system - compares acquired, processed thermal image of person's face with stored reference images
09/25/1991EP0447751A2 Size-normalisation system
09/25/1991CN1054845A Automatic identification device of specimen seal impression
09/24/1991US5052044 Correlated masking process for deskewing, filtering and recognition of vertically segmented characters
09/24/1991US5052043 Neural network with back propagation controlled through an output confidence measure
09/24/1991US5052042 Method and apparatus for using microfilm for data input into a computer
09/24/1991US5051576 Finger surface image enhancement having a liquid layer on the finger touching surface of the platen
09/19/1991WO1991014235A1 Recognition of patterns in images
09/19/1991WO1991014202A1 All optical image processing and pattern recognition apparatus using stimulated photon echoes
09/18/1991EP0447306A1 Device for recognising sequences in a multidimensional signal
09/18/1991EP0447252A1 Image communication method and apparatus
09/18/1991EP0446633A2 Document processor including method and apparatus for identifying and correcting errors
09/18/1991EP0446632A2 Method and system for recognizing characters
09/18/1991EP0446631A2 Method and system for locating the amount field on a document
09/18/1991EP0446630A2 Method and apparatus for segmenting characters in an amount field on a financial document
09/17/1991US5050231 Relief image scanner
09/17/1991US5050229 Method and apparatus for thinning alphanumeric characters for optical character recognition
09/17/1991US5050224 Character recognition apparatus
09/17/1991US5050222 Polygon-based technique for the automatic classification of text and graphics components from digitized paper-based forms
09/17/1991US5050221 Image generating apparatus
09/17/1991US5050220 Optical fingerprint correlator
09/17/1991US5050219 Method of handwriting recognition
09/17/1991US5050218 Apparatus for recognizing address appearing on mail article
09/17/1991US5049862 Keyless flat panel portable computer--computer aided notebook
09/10/1991US5067164 Hierarchical constrained automatic learning neural network for character recognition
09/10/1991US5048113 Character recognition post-processing method
09/10/1991US5048109 Detection of highlighted regions
09/10/1991US5048107 Table region identification method
09/10/1991US5048103 Method for the automatic resetting of images
09/10/1991US5048100 Self organizing neural network method and system for general classification of patterns
09/10/1991US5048099 Polygon-based method for automatic extraction of selected text in a digitized document
09/10/1991US5048097 Optical character recognition neural network system for machine-printed characters
09/10/1991US5048096 Bi-tonal image non-text matter removal with run length and connected component analysis
09/09/1991WO1991014236A1 Device for reading the track of identification characters on a cheque
09/09/1991CA2055504A1 Device for reading the identification character track on a cheque
09/05/1991WO1991008551A3 Bi-tonal image non-text matter removal with run length and connected component analysis
09/04/1991EP0444593A2 A data processing device
09/03/1991US5046116 Symbol analyzing system and method with data exclusion and confidence factors
09/03/1991US5046115 Method of processing image data on crack
09/03/1991US5046114 Method and structure for separating joined patterns for use in pattern and character recognition system
09/03/1991US5046112 Suppression of machine marks on image of workpiece surface
09/03/1991US5046111 Methods and apparatus for optically determining the acceptability of products
09/03/1991US5046109 Pattern inspection apparatus
08/1991
08/28/1991EP0443580A1 Transporting device/transporting means (bobbin train codification)
08/22/1991WO1991012552A1 Image enhanced optical correlator system
08/21/1991EP0442208A2 A device and method for verifying personal handwriting
08/20/1991US5042076 Programmable optical character recognition
08/20/1991US5042074 Method for determining subdivision patterns of radiation images
08/20/1991US5042073 Signature verification method and system with optimization of static parameters
08/20/1991US5041961 Two dimensional generating system for the geometry of a model using artificial vision
08/14/1991EP0441567A2 Pressure sensitive device
08/14/1991EP0441359A2 Method of and apparatus for extracting image contour data
08/14/1991EP0440812A1 Handwritten input data processor and handwritten input data system using the same
08/14/1991EP0245595B1 Apparatus and method for estimating, from sparse data, the probability that a particular one of a set of events is the next event in a string of events
08/13/1991US5040231 Vertical vector pattern recognition algorithm
08/13/1991US5040230 Associative pattern conversion system and adaptation method thereof
08/13/1991US5040229 Contour feature-based method for identification and segmentation of touching characters
08/13/1991US5040226 Courtesy amount read and transaction balancing system