| Patents for G06K 9 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints (160,016) |
|---|
| 06/13/1991 | WO1991008551A2 Bi-tonal image non-text matter removal with run length and connected component analysis |
| 06/13/1991 | WO1991008546A1 Method for compressing images by self-organization of a neuronal network |
| 06/13/1991 | WO1991008545A1 Method of and apparatus for examining symbol printed surface |
| 06/12/1991 | EP0432108A2 An electronic device for viewing, recognizing and localizing objects, and an operating procedure therefore |
| 06/12/1991 | EP0431962A2 Method and apparatus for identification of document skew |
| 06/12/1991 | EP0431960A2 Identification, characterization, and segmentation of halftone or strippled regions of binary images |
| 06/12/1991 | EP0431958A2 Identification and segmentation of finely textured and solid regions of binary images |
| 06/12/1991 | EP0431843A2 Character recognition apparatus |
| 06/12/1991 | EP0431496A2 Number plate recognition system |
| 06/12/1991 | EP0211070B1 Dynamic gain adjuster for an image scanner |
| 06/12/1991 | CN1052203A Off-line recognition system for hand written chinese characters and recognition approach thereof |
| 06/11/1991 | US5023923 Programmable sensor aperture |
| 06/11/1991 | US5023922 Optical character reader |
| 06/11/1991 | US5023920 Method for finding the medial axis transform of an image |
| 06/11/1991 | US5023918 Cross-product filter |
| 06/11/1991 | US5023912 Pattern recognition system using posterior probabilities |
| 06/11/1991 | US5023810 Image label updating device using serially connected modules |
| 06/05/1991 | EP0430860A2 Binarization processing method for multivalued image and method to form density pattern for reproducing binary gradations |
| 06/05/1991 | EP0429560A1 Method and apparatus for thresholding an image signal. |
| 06/05/1991 | CN1051998A Circuit for extracting discriminating features jof finger print |
| 06/04/1991 | US5022089 Method and apparatus for fast registration using crosshair register marks |
| 06/04/1991 | US5022087 Apparatus for detecting primitive patterns in an image |
| 06/04/1991 | US5022086 Handwriting apparatus for information collection based on force and position |
| 06/04/1991 | US5022081 Information recognition system |
| 06/04/1991 | US5020538 Low noise magnetoencephalogram system and method |
| 05/30/1991 | WO1991007729A2 Improvements in methods and apparatus for signature verification |
| 05/30/1991 | WO1991007728A1 Apparatus to record epidermal topography |
| 05/29/1991 | EP0428795A1 Binary image thinning and feature extracting method and processing device thereof |
| 05/29/1991 | EP0428713A1 Method and apparatus for identifying unrecognizable characters in optical character recognition machines |
| 05/29/1991 | EP0270633B1 Document reader |
| 05/29/1991 | DE4026167A1 Input sensor for fingerprint comparison computer lock - has structure of hexagonal light sensors, forming expanding network and is more accurate than conventional video |
| 05/28/1991 | US5020123 Apparatus and method for image area identification |
| 05/28/1991 | US5020117 Handwritten character string recognition system |
| 05/28/1991 | US5020114 Object discriminating apparatus and method therefor |
| 05/28/1991 | US5020112 Image recognition method using two-dimensional stochastic grammars |
| 05/28/1991 | US5020111 Spatial symmetry cueing image processing method and apparatus |
| 05/28/1991 | US5020110 Arrangement for checking documents |
| 05/28/1991 | US5019899 Electronic data encoding and recognition system |
| 05/28/1991 | US5019699 Hand-held optical character reader with means for instantaneously reading information from a predetermined area at an optical sensing area |
| 05/22/1991 | EP0428499A2 Character pitch detector apparatus and method for optical character reader systems |
| 05/22/1991 | EP0428449A2 Method and apparatus for pattern recognition, especially for speaker-independent speech recognition |
| 05/22/1991 | CN1051633A Object recognition system |
| 05/21/1991 | US5018219 Object recognize apparatus |
| 05/21/1991 | US5018218 Confirmed boundary pattern matching |
| 05/21/1991 | US5018216 Method of extracting a feature of a character |
| 05/21/1991 | US5018215 Knowledge and model based adaptive signal processor |
| 05/21/1991 | US5018214 Method and apparatus for identifying discrete objects in a visual field |
| 05/21/1991 | US5018211 System for detecting and analyzing rounded objects |
| 05/21/1991 | US5018209 Analysis method and apparatus for biological specimens |
| 05/21/1991 | US5018208 Input device for dynamic signature verification systems |
| 05/21/1991 | US5016981 Mask |
| 05/16/1991 | WO1991006923A1 Ratio detection character recognition apparatus |
| 05/16/1991 | WO1991006922A1 Character recognition apparatus |
| 05/16/1991 | WO1991006921A1 Dynamic method for recognizing objects and image processing system therefor |
| 05/16/1991 | WO1991006920A1 Non-minutiae automatic fingerprint identification system and methods |
| 05/16/1991 | WO1991006911A1 Automated cytological specimen classification system and method |
| 05/16/1991 | DE4036025A1 Fingerprint recognition device - uses hologram, flat CCD and laser and produces distortion-free images |
| 05/16/1991 | DE3937705A1 Integrated microelectronic resistance network contg. light resistors - replaces theoretical Ritter algorithm, e.g. for finding most direct, obstruction-free path between points |
| 05/15/1991 | EP0427562A1 Improvements in methods and apparatus for signature verification |
| 05/14/1991 | US5016283 Methods and apparatus for immunoploidy analysis |
| 05/14/1991 | US5016282 Eye tracking image pickup apparatus for separating noise from feature portions |
| 05/14/1991 | US5015070 Reference grid for optical scanner |
| 05/08/1991 | EP0426432A2 Biometric reading assembly and method |
| 05/08/1991 | EP0426423A2 Method for fingerprint recognition and apparatus therefor |
| 05/08/1991 | EP0426310A2 Method and apparatus for verifying an image pattern |
| 05/07/1991 | US5014334 Signal encoding and decoding system |
| 05/07/1991 | US5014330 Pattern position recognizing apparatus |
| 05/07/1991 | US5014329 Automatic detection and selection of a drop-out color using zone calibration in conjunction with optical character recognition of preprinted forms |
| 05/07/1991 | US5014328 Automatic detection and selection of a drop-out color used in conjunction with optical character recognition of preprinted forms |
| 05/07/1991 | US5014327 Parallel associative memory having improved selection and decision mechanisms for recognizing and sorting relevant patterns |
| 05/07/1991 | US5014325 Apparatus for discriminating specified sorts of printed matters |
| 05/07/1991 | US5014324 MICR character reader using magnetic peaks to update timing clocks |
| 05/07/1991 | US5013874 Apparatus for recording and verifying handwriting, in particular signatures |
| 05/02/1991 | EP0425356A1 Method and apparatus for the recognition of a target |
| 05/02/1991 | EP0425291A2 Word recognition process and apparatus |
| 05/02/1991 | EP0425290A2 Character recognition based on probability clustering |
| 05/02/1991 | EP0425036A1 Method of matching a variable two-dimensional image of a known three-dimensional object with a desired two-dimensional image of the object, and device for carrying out the method |
| 05/02/1991 | EP0424728A2 System and method for deferred processing of OCR scanned mail |
| 05/01/1991 | CA2028716A1 Methods and apparatus for optical product inspection |
| 04/30/1991 | US5012522 Autonomous face recognition machine |
| 04/30/1991 | US5012252 A data base |
| 04/30/1991 | US5010891 Cerebral biopotential analysis system and method |
| 04/23/1991 | US5010580 Method and apparatus for extracting information from forms |
| 04/23/1991 | US5010579 Hand-written, on-line character recognition apparatus and method |
| 04/18/1991 | WO1991005327A1 Keyless flat panel portable computer - computer aided notebook |
| 04/18/1991 | WO1991005314A1 Robotic vision, optical correlation system |
| 04/18/1991 | WO1991005278A1 Alignment system for an optical matched filter correlator |
| 04/17/1991 | EP0422911A2 Image interpretation |
| 04/17/1991 | EP0422654A2 Point pattern matching method and system as well as picture recognizing method and system using the same |
| 04/17/1991 | EP0422544A2 Color image data processing apparatus |
| 04/17/1991 | EP0422403A2 Multi-scale recognizer for hand drawn strokes |
| 04/17/1991 | EP0422348A2 Two-dimensional systolic array for neural networks, and method |
| 04/17/1991 | EP0422245A1 Recognizing apparatus |
| 04/16/1991 | US5008948 System for recognizing handwritten letters |
| 04/16/1991 | US5008946 System for recognizing image |
| 04/16/1991 | US5008851 Optical heterodyning system and method for rapid optical phase and amplitude measurements |
| 04/16/1991 | US5008836 During a fly-over |
| 04/16/1991 | US5008185 Methods and apparatus for the quantitation of nuclear proteins |
| 04/16/1991 | CA1283212C Optical character reader |
| 04/16/1991 | CA1283211C Optical character reader |