| Patents for G06K 9 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints (160,016) |
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| 08/13/1991 | US5040224 Fingerprint processing system capable of detecting a core of a fingerprint image by statistically processing parameters |
| 08/13/1991 | US5040223 Fingerprint verification method employing plural correlation judgement levels and sequential judgement stages |
| 08/13/1991 | US5040222 Pattern generation method for registering handwriting |
| 08/13/1991 | US5040214 Pattern learning and recognition apparatus in a computer system |
| 08/13/1991 | US5040134 Neural network employing leveled summing scheme with blocked array |
| 08/13/1991 | US5040133 Adaptive clusterer |
| 08/13/1991 | US5039847 Image processing apparatus having an image scanner |
| 08/13/1991 | US5038782 Electrode system for brain wave detection |
| 08/13/1991 | CA1287687C Optical processor for an adaptive pattern classifier |
| 08/08/1991 | WO1991011783A1 Recognition of patterns in images |
| 08/08/1991 | WO1991011782A1 Three-frame technique for analyzing two motions in successive image frames dynamically |
| 08/08/1991 | WO1991011781A1 Method for identification and segmentation of touching characters |
| 08/08/1991 | WO1991011780A1 Correlated masking process for deskewing, filtering and recognition of vertically segmented characters |
| 08/08/1991 | WO1991011779A1 Optical character recognition neural network system for machine-printed characters |
| 08/07/1991 | EP0440137A2 Position adjustment system |
| 08/07/1991 | EP0440129A1 Method for locating the address on articles to be sorted, address label and device for carrying out the method |
| 08/07/1991 | EP0439951A2 Data processing |
| 08/07/1991 | EP0439743A2 Constraint driven on-line recognition of handwritten characters and symbols |
| 08/07/1991 | CN1053697A Hand-written character recognizer |
| 08/06/1991 | WO1991011778A1 Method and apparatus for currency discrimination and counting |
| 08/06/1991 | US5038393 Method of effectively reading data written on data sheet, and data reading apparatus therefor |
| 08/06/1991 | US5038391 Optical character reader |
| 08/06/1991 | US5038387 Method of enhancing border of region included in image |
| 08/06/1991 | US5038384 Information reading apparatus |
| 08/06/1991 | US5038382 Multi-scale recognizer for hand drawn strokes |
| 08/06/1991 | US5038381 Image/text filtering system and method |
| 08/06/1991 | US5038379 Image information searching apparatus |
| 08/06/1991 | CA1287397C Method of image analysis in pulverized fuel combustion |
| 07/31/1991 | EP0439358A2 Method and apparatus for providing illumination compensation in a document scanner |
| 07/31/1991 | EP0439357A2 Method and apparatus for providing sensor compensation in a document scanner |
| 07/31/1991 | EP0439340A2 Portable radio telephone set |
| 07/31/1991 | EP0439082A2 A data conversion system |
| 07/31/1991 | EP0215818B1 Iris recognition system |
| 07/30/1991 | US5036544 Apparatus for discriminating linearity of line segment in image processing system |
| 07/25/1991 | DE4036456A1 Real=time checking of holograms - has surface optically scanned to provide inputs to processor |
| 07/24/1991 | EP0437615A1 Hierarchical presearch-type document retrieval method, apparatus therefor, and magnetic disc device for this apparatus |
| 07/23/1991 | US5034991 Character recognition method and system |
| 07/23/1991 | US5034990 Edge enhancement error diffusion thresholding for document images |
| 07/23/1991 | US5034989 On-line handwritten character recognition apparatus with non-ambiguity algorithm |
| 07/23/1991 | CA1286776C Binary coding circuit |
| 07/23/1991 | CA1286775C Optical character recognition by detecting geo features |
| 07/17/1991 | WO1991010969A1 System for managing document entry and flow using data extracted by means of electronic imaging |
| 07/17/1991 | EP0437273A2 Method of matching patterns and apparatus therefor |
| 07/17/1991 | EP0437269A2 Semiconductor pellet detection method |
| 07/17/1991 | EP0436913A2 An adaptive clusterer |
| 07/17/1991 | EP0436884A2 Method for entering scan-zone coordinates in automatic reading systems for letters, forms etc. |
| 07/17/1991 | EP0436819A2 Handwriting recognition employing pairwise discriminant measures |
| 07/17/1991 | CN2081112U Computerized device for image input, storage, search and reappearing |
| 07/17/1991 | CA2071899A1 System for managing document entry and flow using data extracted by means of electronic imaging |
| 07/16/1991 | US5033104 Method for detecting character strings |
| 07/16/1991 | US5033103 Model of the lateral inhibition, energy normalization, and noise suppression processes in the retina |
| 07/16/1991 | US5033101 Method for character-and/or-object recognition |
| 07/16/1991 | US5033100 Method and apparatus for classifying picture elements in radiation images |
| 07/16/1991 | US5033099 Image recognition system |
| 07/16/1991 | US5033098 Method of processing character blocks with optical character reader |
| 07/16/1991 | US5033097 Character recognition method |
| 07/16/1991 | CA1286407C Optical character recognition by forming and detecting matrices of geo features |
| 07/12/1991 | WO1991010968A1 Devices and methods for reading identification marks on semiconductor wafers |
| 07/12/1991 | CA2073335A1 Devices and methods for reading identification marks on semiconductor wafers |
| 07/11/1991 | WO1991010208A1 Recognition system for engraved characters |
| 07/11/1991 | WO1991010207A1 A method and an apparatus for electronically processing a transaction with a human signature |
| 07/11/1991 | WO1991008553A3 Character normalization using an elliptical sampling window for optical character recognition |
| 07/09/1991 | US5031228 Image recognition system and method |
| 07/09/1991 | US5031225 Character recognition method for recognizing character in an arbitrary rotation position |
| 07/09/1991 | US5031224 Flexible recognition of subject structures in color and picture half-tone images |
| 07/09/1991 | US5031223 System and method for deferred processing of OCR scanned mail |
| 07/09/1991 | CA1286032C Optical scanning and recording apparatus for fingerprints |
| 07/09/1991 | CA1286030C Character and pattern recognition machine and method |
| 07/03/1991 | EP0435604A2 Apparatus for and method of hough-converting coordinate data |
| 07/03/1991 | EP0435572A2 Method for recognizing the leading edge of a character |
| 07/03/1991 | EP0435522A2 Image location identification apparatus |
| 07/03/1991 | EP0435349A2 Document revising system for use with document reading and translating system |
| 07/03/1991 | EP0435099A2 A method of selecting characteristics data for a data processing system |
| 07/03/1991 | EP0434871A1 Character recognition method |
| 07/03/1991 | CN1052741A Apparatus for classifying banknotes and like |
| 07/02/1991 | US5029224 Marked region recognition apparatus |
| 07/02/1991 | US5029223 Constraint driven-on line recognition of handwritten characters and symbols |
| 07/02/1991 | US5029220 Optical joint correlator for real-time image tracking and retinal surgery |
| 07/02/1991 | US5029219 Personal handwriting verification |
| 07/02/1991 | US5028102 Parallel optical information processing system |
| 06/28/1991 | CA2006898A1 Identification symbol, system and method |
| 06/27/1991 | WO1991009380A1 Device for classifying bank notes and the like |
| 06/27/1991 | WO1991009377A1 Force resolving system and method |
| 06/26/1991 | EP0434455A2 Method of determining the configuration of a path for motor vehicles |
| 06/26/1991 | EP0434415A2 Method of measuring skew angles |
| 06/26/1991 | EP0433626A2 Physiologic waveform analysis |
| 06/26/1991 | EP0433359A1 Image recognition |
| 06/26/1991 | EP0375706B1 Fingerprint detecting terminal comprising an ergonomically optimized finger location plate |
| 06/25/1991 | US5027422 Confirmed boundary pattern matching |
| 06/25/1991 | US5027419 Optical images by quadrupole convolution |
| 06/25/1991 | US5027414 Method and apparatus for capturing information in drawing or writing |
| 06/25/1991 | US5027413 Target detection systems |
| 06/25/1991 | US5026974 Method for recognizing the leading edge of a character in E13B font |
| 06/19/1991 | EP0432937A2 Hand-written character recognition apparatus |
| 06/19/1991 | EP0432723A2 Facsimile device enabling highly efficient data transmission |
| 06/18/1991 | US5025484 Character reader device |
| 06/18/1991 | US5025479 Recognition method for character set |
| 06/18/1991 | US5025475 Processing machine |
| 06/13/1991 | WO1991008555A1 Improvements relating to verification or authentication processes |
| 06/13/1991 | WO1991008553A2 Character normalization using an elliptical sampling window for optical character recognition |