| Patents for G06K 9 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints (160,016) |
|---|
| 04/14/1991 | CA2022071A1 Multi-scale recognizer for hand drawn strokes |
| 04/11/1991 | WO1991006055A1 Categorization automata employing neuronal group selection with reentry |
| 04/11/1991 | DE3911529A1 Identification of objects in vehicle space - using CCD camera and flash system to identify objects for safety purposes |
| 04/10/1991 | EP0421736A2 Method and apparatus for measuring optical properties of biological speciments |
| 04/10/1991 | EP0421160A2 Cross-product filter method |
| 04/10/1991 | EP0420908A1 A mark-detecting method and apparatus therefor. |
| 04/09/1991 | US5007101 Auto-correlation circuit for use in pattern recognition |
| 04/09/1991 | US5007098 Vectorizing method |
| 04/09/1991 | US5006710 Recognition and processing of waveforms |
| 04/09/1991 | US5005578 Three-dimensional magnetic resonance image distortion correction method and system |
| 04/03/1991 | EP0419496A1 Data analysis method and apparatus |
| 04/03/1991 | CN1012298B Method and apparatus for recognition of characters |
| 04/02/1991 | US5005206 Method of and arrangement for image data compression by means of a neural network |
| 04/02/1991 | US5005205 Handwriting recognition employing pairwise discriminant measures |
| 04/02/1991 | US5005147 For determining the shape of a remote surface |
| 04/02/1991 | US5003979 System and method for the noninvasive identification and display of breast lesions and the like |
| 03/28/1991 | DE3931378A1 Recognition of linears for satellite and aircraft image data recording - using masking window moved over intermediate image to analyse pixels w.r.t. their spatial arrangement and scatter correlation |
| 03/28/1991 | DE3930736A1 Image pick=up arrangement - uses anamorphotic optical system forming rectangular image of square object via detector matrix |
| 03/27/1991 | EP0419259A2 Accurate recognition of input patterns |
| 03/27/1991 | EP0418537A2 Signature verification data compression for storage on an identification card |
| 03/27/1991 | EP0248031B1 Method and apparatus for capturing information in drawing or writing |
| 03/26/1991 | US5003614 Image processing system |
| 03/26/1991 | US5003613 Document processing system and method |
| 03/26/1991 | US5003612 Method of identification of a product for the purpose of preventing fraud and device for carrying out this method |
| 03/19/1991 | US5001766 Apparatus and method for skew control of document images |
| 03/19/1991 | US5001765 Fast spatial segmenter for handwritten characters |
| 03/19/1991 | CA2025532A1 Character recognition system and method |
| 03/13/1991 | EP0416923A1 Method and apparatus for capturing information in drawing or writing |
| 03/13/1991 | EP0416742A2 Retroreflective vehicle identification articles having improved machine legibility |
| 03/13/1991 | EP0416176A1 Electro-optic slate for direct entry and display and/or storage of hand-entered textual and graphic information |
| 03/13/1991 | CN2073134U Powder pencil |
| 03/12/1991 | US4999629 Two tone and multiple image discrimination and signal binarization system |
| 03/12/1991 | US4999525 Exclusive-or cell for pattern matching employing floating gate devices |
| 03/12/1991 | US4998626 Mail processing machine |
| 03/07/1991 | WO1991003013A1 Handwritten input data processor and handwritten input data system using the same |
| 03/06/1991 | EP0415373A2 Document reader and reading processing method therefor |
| 03/06/1991 | EP0187775B1 Method for the digitization of handwriting or any drawing in general and a comparison or recognition method based thereon |
| 03/06/1991 | CN1011924B Bar code identification processing system |
| 03/05/1991 | US4998286 Correlation operational apparatus for multi-dimensional images |
| 03/05/1991 | US4998285 Character recognition apparatus |
| 03/05/1991 | US4998284 Dual color camera microscope and methodology for cell staining and analysis |
| 03/05/1991 | US4998224 System for providing improved reverberation limited sonar performance |
| 03/05/1991 | US4998122 Image binarization apparatus |
| 03/05/1991 | CA1281138C Optical spatial logic arrangement |
| 03/05/1991 | CA1281125C Production of an image model and inspection of pixel representation of an image |
| 02/28/1991 | DE4026150A1 Evaluation system for particle agglutination pattern |
| 02/27/1991 | EP0414466A2 Method and apparatus for machine reading of retroreflective vehicle identification articles |
| 02/26/1991 | US4996603 For obtaining a binary signal from multi-level signal |
| 02/26/1991 | US4996593 A method of and apparatus for comparing the location of an extended feature within a field of view with a standard location |
| 02/23/1991 | CA2020748A1 Method and apparatus for machine reading of retroreflective vehicle identification articles |
| 02/21/1991 | WO1991002330A1 A method of differentiating particles based upon a dynamically changing threshold |
| 02/21/1991 | WO1991002329A1 A method and an apparatus for differentiating a sample of biological cells |
| 02/21/1991 | DE3927372A1 Tablet for computerised symbol manipulation of handwritten formulae - enables display of interpreted input giving real=time feedback to user |
| 02/19/1991 | US4995093 Radiation field recognition method |
| 02/19/1991 | US4995092 Circuit arrangement for white level acquisition for the black/white quantization of the scan signals of individual photo sensors |
| 02/19/1991 | US4995091 Method of and apparatus for detecting objects in an assembly line |
| 02/19/1991 | US4995090 Optoelectronic pattern comparison system |
| 02/19/1991 | US4995088 Super resolution |
| 02/19/1991 | US4995086 Arrangement and procedure for determining the authorization of individuals by verifying their fingerprints |
| 02/19/1991 | US4993792 Scanning optical system in which a ghost image is eliminated |
| 02/19/1991 | CA1280513C2 Character recognition system |
| 02/12/1991 | USRE33536 Dual level pattern recognition system |
| 02/12/1991 | US4992649 Remote video scanning automated sorting system |
| 02/12/1991 | US4991917 Holographic scanning system for laser printer |
| 02/06/1991 | EP0411221A1 Method and apparatus for fingerprint verification |
| 02/06/1991 | CN1011557B Method of identifying objects |
| 02/05/1991 | US4991223 Apparatus and method for recognizing image features using color elements |
| 02/04/1991 | CA2020380A1 Retroreflective vehicle identification articles having improved machine legibility |
| 01/29/1991 | US4989258 Character recognition apparatus |
| 01/29/1991 | US4989257 Method and apparatus for generating size and orientation invariant shape features |
| 01/22/1991 | US4987604 Second opinion method of pattern recognition error reduction |
| 01/22/1991 | US4987603 Recognition method for letter patterns |
| 01/22/1991 | CA1279401C Optical information reading apparatus |
| 01/17/1991 | DE3922554A1 Opto-electronic measurement and sensor system - has grey tone image and/or binary image formation unit, and performs adaptive A=D image information conversion processing |
| 01/16/1991 | EP0407935A2 Document data processing apparatus using image data |
| 01/16/1991 | EP0220294B1 Method and apparatus for automatic scanning of fingerprints |
| 01/15/1991 | US4985930 Image data filing system and image data correcting method |
| 01/15/1991 | US4985929 System for use in processing a speech by the use of stenographs |
| 01/15/1991 | US4985928 Signature forgery detection device |
| 01/15/1991 | US4985863 Document storage and retrieval system |
| 01/15/1991 | US4985618 Parallel image processing system |
| 01/15/1991 | US4984692 Optical character reading apparatus with sorter |
| 01/15/1991 | CA1279124C Program identification method and apparatus |
| 01/09/1991 | EP0407307A1 Method and systems for signature verification with optimisation of static parameters |
| 01/08/1991 | US4984285 Method of correcting shading phenomenon in optical character reader |
| 01/08/1991 | US4984281 Magnetic ink character recognition system |
| 01/08/1991 | US4984075 Contour detecting apparatus |
| 01/08/1991 | US4983036 Secure identification system |
| 01/02/1991 | EP0405457A2 Method and apparatus for classifying picture elements in radiation images |
| 01/02/1991 | EP0405456A2 Abnormal pattern detecting or judging apparatus, circular pattern judging apparatus, and image finding apparatus |
| 01/02/1991 | EP0405455A2 Pattern recognition apparatus |
| 01/02/1991 | EP0405400A2 Image distinguishing device |
| 01/02/1991 | EP0265497A4 Information transfer and use, particularly with respect to objects such as gambling chips |
| 01/02/1991 | EP0252096B1 Pattern recognition process |
| 01/01/1991 | US4982438 Apparatus and method for recognizing three-dimensional shape of object |
| 01/01/1991 | US4982294 Apparatus for enhancing and thresholding scanned microfilm images and methods for use therein |
| 01/01/1991 | US4982170 Signal processing apparatus |
| 01/01/1991 | US4981372 Component shape recognition method |
| 12/31/1990 | WO1991000591A1 Pattern recognition |
| 12/31/1990 | CA2063426A1 Pattern recognition |