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)
12/1991
12/18/1991EP0461817A2 Image segmenting apparatus and methods
12/18/1991EP0461793A2 Method for image analysis
12/18/1991EP0461760A2 Image processing apparatus
12/17/1991US5073963 Computerized method of matching two-dimensional (2-d) patterns
12/17/1991US5073962 Generalized neighborhoods parameter transform for image features extraction
12/17/1991US5073957 Graphic editing system
12/17/1991US5073956 Apparatus for converting image outline data into dot data representative of dots to be formed
12/17/1991US5073955 Method for recognizing previously localized characters present in digital gray tone images, particularly for recognizing characters struck into metal surfaces
12/17/1991US5073950 Finger profile identification system
12/17/1991US5073949 Personal verification apparatus
12/16/1991CA2044513A1 Image segmenting apparatus and methods
12/12/1991WO1991019274A1 A computerized method of matching two-dimensional (2-d) patterns
12/12/1991WO1991019273A1 Optical character recognition for thinning alphanumeric characters
12/12/1991DE4119091A1 Recognising row of characters e.g. for speech analysis - processing optically scanned data on basis of probability value
12/11/1991EP0460995A1 Means for document classification with incorporated electronic planner
12/11/1991EP0460971A1 System for labeling picture elements
12/11/1991EP0460967A1 Hierarchical operations on border attribute data for image regions
12/11/1991EP0460871A2 Determination of a crop parameter
12/11/1991EP0460677A1 An image binarization threshold computing apparatus
12/11/1991EP0460625A2 Optical information processing apparatus and method using computer generated hologram
12/10/1991US5072382 Methods and apparatus for measuring multiple optical properties of biological specimens
12/10/1991US5072314 Image enhancement techniques using selective amplification of spatial frequency components
12/10/1991US5072130 Associative network and signal handling element therefor for processing data
12/08/1991CA2022976A1 Hand-held data capture system with interchangeable modules
12/06/1991CA2043871A1 Document classification device with built-in electronic schedule
12/04/1991EP0459808A2 Digitizers
12/04/1991EP0459746A2 Pattern recognition method, and apparatus therefor
12/04/1991EP0459712A2 Optical apparatus for fingerprint recognition system
12/04/1991CN2090045U Tool tracks simulated test machine
12/01/1991CA2279595A1 Method of operating an electrostatic printer
11/1991
11/28/1991WO1991018368A1 A polygon-based method for automatic extraction of selected text in a digitized document
11/28/1991WO1991018367A1 A polygon-based technique for the automatic classification of text and graphics components from digitized paper-based forms
11/28/1991WO1991018366A1 A method of detecting skew in form images
11/27/1991EP0458669A1 Method for fast recognition of objects that may belong to a collection comprising a large number of objects with different caracteristics
11/27/1991EP0458308A2 Method of eliminating noise
11/27/1991EP0457909A1 Data processing system
11/27/1991EP0288550B1 Improved cutoff control system
11/26/1991US5068908 Method and apparatus for detecting mark from image data
11/26/1991US5068907 Method of recognizing irradiation field
11/26/1991US5068746 Image processing apparatus
11/26/1991US5068664 Method and device for recognizing a target
11/21/1991EP0457547A2 Information recognition apparatus and method
11/21/1991EP0457546A2 Image processing method and apparatus
11/21/1991EP0457545A2 Image processing method and apparatus
11/21/1991EP0457534A2 Image processing method and apparatus
11/21/1991EP0457398A2 Fingerprint sensing
11/21/1991EP0457325A2 Recognition unit and recognizing and judging apparatus employing same
11/21/1991EP0456804A1 Method for compressing images by self-organization of a neuronal network
11/21/1991DE4018373A1 Automated reading of segmented clear text - using oblique character illumination with LED(s), photosensors, digitisation and computer evaluation
11/19/1991US5067166 Method and apparatus for dp matching using multiple templates
11/19/1991US5067165 Character recognition method
11/19/1991US5067162 Method and apparatus for verifying identity using image correlation
11/19/1991US5067161 Image recognition device
11/19/1991US5067014 Three-frame technique for analyzing two motions in successive image frames dynamically
11/19/1991CA1292320C Pattern processing
11/14/1991WO1991017540A1 Signal recognition system and method
11/14/1991WO1991017525A1 Electronic system for classifying objects
11/14/1991WO1991017521A1 A hybrid feature-based and template matching optical character recognition system
11/14/1991WO1991017520A1 Neural network with back propagation controlled through an output confidence measure
11/14/1991WO1991017519A1 Row-by-row segmentation and thresholding for optical character recognition
11/14/1991WO1991017518A1 Rotationally impervious feature extraction for optical character recognition
11/13/1991EP0456192A2 Image processing method and apparatus therefor
11/13/1991EP0456130A2 Apparatus and method for optically effecting image operations
11/12/1991US5065442 Character recognition apparatus determining whether read data is a character line
11/12/1991US5065440 Pattern recognition apparatus
11/12/1991US5065439 Pattern recognition apparatus
11/12/1991US5065438 Character recognition apparatus with inputting function of ruled lines
11/12/1991US5065437 Identification and segmentation of finely textured and solid regions of binary images
11/12/1991US5065434 Image information processing apparatus having a multi-function switch
11/12/1991US5065431 Pattern recognition using stored n-tuple occurence frequencies
11/07/1991DE4031394C1 Image scanner with photoelectric transducer on carriage of printer - has equalling block, amplifier, A=D converter connected in series between transducer and interface of mechanical printing machine
11/06/1991EP0455336A1 Information processing apparatus and methods
11/06/1991EP0454750A1 Biometrics
11/05/1991US5063605 Method for scale and rotation invariant pattern recognition
11/05/1991US5063604 Method and means for recognizing patterns represented in logarithmic polar coordinates
11/05/1991US5063603 Dynamic method for recognizing objects and image processing system therefor
11/05/1991US5063602 Image correlation calculation apparatus
11/05/1991US5063601 Fast-learning neural network system for adaptive pattern recognition apparatus
11/05/1991US5063521 Neuram: neural network with ram
11/05/1991US5063508 Translation system with optical reading means including a moveable read head
10/1991
10/31/1991WO1991016688A1 Hand-held optical scanner/highlighter
10/31/1991WO1991016687A1 Pattern recognition
10/31/1991WO1991007729A3 Improvements in methods and apparatus for signature verification
10/30/1991EP0454535A1 Neural classification system and method
10/30/1991EP0454516A1 Obstacle display device, especially for automotive vehicle
10/30/1991EP0454166A2 Traffic flow measuring method and apparatus
10/29/1991US5062142 Data processor producing a medial axis representation of an extended region
10/29/1991US5062141 Method of segmenting characters in lines which may be skewed, for allowing improved optical character recognition
10/29/1991US5062047 Translation method and apparatus using optical character reader
10/29/1991US5062000 "Resistive fuse" analog hardware for detecting discontinuities in early vision system
10/29/1991US5061934 Hybrid clutter cancellation method and system for improved radar performance
10/29/1991US5061063 Methods and apparatus for optical product inspection
10/29/1991CA1291573C2 Character recognition system
10/29/1991CA1291572C Method and apparatus for fingerprint verification
10/28/1991CA2041241A1 Traffic flow measuring method and apparatus
10/23/1991EP0453245A2 Image inputting apparatus
10/23/1991CN1055634A Correction adgorithm for contiguous ccd elements leakage
10/22/1991US5060284 Adaptive error diffusion thresholding for document images
10/22/1991US5060282 Optical pattern recognition architecture implementing the mean-square error correlation algorithm
10/22/1991US5060278 Pattern recognition apparatus using a neural network system