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| Number | Title | Issue Date |
| 5319720 | Appearance inspecting method An appearance inspecting method includes the steps of dividing a recognized image of an object into regions based on two attributes of image points within the image calculating the minimum distance of each point within a target region to a periphery of th... | 06/07/1994 |
| 5293427 | Eye position detecting system and method therefor The invention detects the position of an eye in image of a driver's face quickly and with high reliability, even if the density of the driver's face image is not uniform on the right and left sides due to direct sunlight. Only one eye detection area is ob... | 03/08/1994 |
| 5293430 | Automatic image segmentation using local area maximum and minimum image signals Method and apparatus for processing image pixels to determine the presence of high frequency halftone images. Prior to auto correlation, each pixel in the image is examined to determine whether it is a local area maximum or minimum. A binary image functio... | 03/08/1994 |
| 5202928 | Surface generation method from boundaries of stereo images An image processing method for matching edges detected in images of the same objects in a three-dimensional scene which are taken simultaneously by two or more image pick-up devices at different positions, in which the boundary segments on the edges are c... | 04/13/1993 |
| 5193122 | High speed halftone detection technique A simple technique for determining and indicating, in real times as an image is scanned, the presence of halftones within a page. in brief, the technique contemplates monitoring a pixel stream, typically on a line basis, determining the proportion of pixe... | 03/09/1993 |
| 5187658 | System and method for segmenting internal structures contained within the interior region of a solid object In order to display the surfaces of internal structures within a solid body from non-intrusively acquired data sets, it is useful to segment the data sets into the internal structures of interest before searching for the surfaces of such structures. To ac... | 02/16/1993 |
| 5182777 | Method for extracting feature quantities of a character In a method of extracting feature quantities of a character, a pair of region dividing lines which intersect a character image are obtained by using generated projections of direction codes. Then, a reference position for extracting feature quantities of ... | 01/26/1993 |
| 5142659 | Estimation of local surface geometry from relative range images for object recognition An apparatus and method for improved segmentation and object recognition which describes objects and background appropriately based on calculations of desired local surface geometries such as local surface orientation, local surface curvature, surface ext... | 08/25/1992 |
| 5140416 | System and method for fusing video imagery from multiple sources in real time A system and method for fusing or merging video imagery from multiple sources such that the resultant image has improved information content over any one of the individual video images. The sensors generating the video imagery are typically responsive to ... | 08/18/1992 |
| 5131049 | Identification, characterization, and segmentation of Halftone or stippled regions of binary images by growing a seed to a clipping mask A method for creating a mask for separating halftone regions in a binary image from other regions comprises: constructing a seed image that includes pixels only in halftone regions and at least one pixel in every halftone region (67); constructing a clipp... | 07/14/1992 |
| 5129011 | Method and apparatus for retrieving image data A filing method and a system for filing image data operate to divide an input image having a dot number larger than a predetermined dot number of a display screen at a fundamental unit equal to the display screen size, to file the divided input images as ... | 07/07/1992 |
| 5125045 | Image processing system An image processing system wherein for an inputted composite image composed of a line image and a dither image, both a line image processing and a dither image processing are carried out in parallel, and one of the processed results is selected in accorda... | 06/23/1992 |
| 5120940 | Detection of barcodes in binary images with arbitrary orientation The location and orientation of a barcode block is determined by first producing an image of the document that excludes the barcode block and producing a second image wherein the spaces in the barcode block have been deleted thereby providing a solid rect... | 06/09/1992 |
| 5109436 | Image data processing system with adaptive binary quantization An extractor extracts, from image data to be binarized, a feature amount of a target pixel including at least a maximum density difference among pixels in a local region including the target pixel. A predictor predicts an image type of the target pixel in... | 04/28/1992 |
| 5103489 | Label, method and device for locating addresses on articles to be sorted In a method of locating addresses on articles to be sorted, such as mail items of many different kinds, a specific addressing mark is associated with the address on an addressing label or other addressing support. The mark comprises a ring and an asymmetr... | 04/07/1992 |
| 5073961 | Method for judging the correctness or incorrectness of a detected subdivision pattern of radiation images A method for judging the correctness or incorrectness of a subdivision pattern detected on a recording medium comprises the steps of detecting the subdivision pattern in cases where the recording area of a recording medium was divided into a plurality of ... | 12/17/1991 |
| 5072384 | Method and system for automated computerized analysis of sizes of hearts and lungs in digital chest radiographs An automated method and system to determine a number of parameters related to the size and shape of the heart as well as parameters related to the lungs from data derived from digital chest radiographs. A cardiac rectangle enclosing the heart and portions... | 12/10/1991 |
| 5048095 | Adaptive image segmentation system An adaptive segmentation system that utilizes a genetic algorithm in image segmentation. The system incorporates a closed-loop feedback mechanism in the segmentation/learning cycle. The system can adapt to changes appearing in the images being segmented, ... | 09/10/1991 |
| 5048107 | Table region identification method A method for identifying a table region within an input image data of an original obtained by an optical character reader. The table region identification method comprises the steps of extracting first sets of runs of successive black picture elements fro... | 09/10/1991 |
| 5038223 | Image processing method and apparatus for imparting a pictorial or painter-like effect An image processing method and apparatus for converting original image data into aesthetic image data having a pictorial touch includes replacing original image data in an area which is at least a portion of the original image data with synthesized painti... | 08/06/1991 |
| 5034986 | Method for detecting and tracking moving objects in a digital image sequence having a stationary background A method for detecting and tracking moving objects in a digital image sequence having a stationary background by comparing the image sequence to a calculated background image sequence, whereby a sequence of binary object masks is calculated whose segments... | 07/23/1991 |
| 5016282 | Eye tracking image pickup apparatus for separating noise from feature portions Characteristic features of images of an object eye are extracted to enable non-contact detection of eye movement. Two images of the eye are focused, and a differential image is generated to eliminate background noise and to permit feature extraction to be... | 05/14/1991 |
| 4995093 | Radiation field recognition method A method of recognizing (distinguishing) a radiation field is provided for radiation image recording and reproducing systems that utilize stimulable phosphor sheets. With respect to the process of reproducing radiation image information stored on the phos... | 02/19/1991 |
| 4975978 | Image signal amplifier In a real time image recognition circuit, an image signal amplifier recognizes mouth or eye movement by which different functions within an automobile, including operation of a radio, air conditioner, cruise control, door locks, sun roof, windows, wipers,... | 12/04/1990 |
| 4947269 | Image reproduction apparatus capable of dividing an image into parts for reproduction on respective sheets An image reproduction apparatus capable of dividing the image of a designated area into plural areas and reproducing thus divided image on plural recording sheets, thereby allowing one to obtain a large copy when these sheets are pasted together.... | 08/07/1990 |
| 4933979 | Data reading apparatus for reading data from form sheet A data reading apparatus for reading data from a form sheet comprises a scanning device for optically scanning the form sheet and for outputting image data read from the form sheet, a storing part for storing form informations on different kinds of model ... | 06/12/1990 |
| 4922915 | Automated image detail localization method An automated image detail localization system for digital image systems, such as CT, MRI, digital radiograph, includes a calibration phantom having plural reference samples of materials having known, fixed imaging properties. The phantom is positioned wit... | 05/08/1990 |
| 4910787 | Discriminator between handwritten and machine-printed characters A video image of a region including characters recorded on a document is converted into electric signals. From the electric signals unit signals corresponding to subregions obtained by dividing the region is picked up. Horizontal, vertical and slanted str... | 03/20/1990 |
| 4866784 | Skew detector for digital image processing system Each line in a frame of video data is organized into continuous runs of white pixels, and those runs having lengths below a given threshold are transformed to black pixels. The data is then organized into runs of black pixels, and the start position of th... | 09/12/1989 |
| 4817169 | Page segmentor In a page segmentor for dividing a page into areas each having a single feature, the division being performed as preprocessing for pattern recognition, one of the areas within the page is multiplied into multiple images, a feature of each area is extracte... | 03/28/1989 |
| 4809344 | Apparatus for preprocessing of character recognition In an apparatus for preprocessing of character recognition so as to obtain data necessary for character recognition, page segmentation is performed by simultaneously extracting a plurality of features, separation between lines, separation between characte... | 02/28/1989 |
| 4807041 | Microfilm reader scanner capable of editing image A microfilm reader scanner for projecting an image on a microfilm onto a screen and also reading it through an image sensor, subjecting it to an editing process such as trimming or masking and thereafter outputting it to a laser beam printer or the like. ... | 02/21/1989 |
| 4807163 | Method and apparatus for digital analysis of multiple component visible fields A means and method for digitally analyzing multiple-component fields measures the relative proportional content of each component in the field. A selected field area is recorded to create a record which may be divided into a plurality of discrete segments... | 02/21/1989 |
| 4803736 | Neural networks for machine vision Network interactions within a Boundary Contour (BC) System, a Feature Contour (FC) System, and an Object Recognition (OR) System are employed to provide a computer vision system capable of recognizing emerging segmentations. The BC System is defined by a ... | 02/07/1989 |
| 4782397 | Image data processing apparatus with editing function An apparatus is disclosed which processes image data. This apparatus comprises an input section which receives image data to be processed, and a memory section which has at least a first memory and a second memory. An input control unit receives the image... | 11/01/1988 |
| 4764971 | Image processing method including image segmentation An image signal is segmented into regions of constant contrast or variance by applying a generalized-likelihood-ratio test to an image difference signal.... | 08/16/1988 |
| 4751743 | Optical character reader An optical character reader which digitizes analog electrical signals obtained by scanning through an image sensor characters or symbols entered on a sheet so that a discrimination circuit recognizes the characters or the like on the basis of the digital ... | 06/14/1988 |
| 4731858 | Arrangement for the segmentation of lines A coarse or rough segmentation apparatus has been developed for use in a sensor system for analyzing half-tone images. In contrast with previously employed methods, the apparatus is based on the pipeline principle. In the image picked up by the camera, ed... | 03/15/1988 |
| 4633506 | Picture image file device A picture image file device for storing original documents such as drawings as a picture image file, characterized in that said device is provided with a picture image storing section for storing in a picture image file a predetermined number of picture i... | 12/30/1986 |
| 4550435 | Multilevel thresholding for target tracking apparatus A method of improving segmentation of target information in video signal developed by target tracking apparatus, when the average video levels of the target and of its background surround tend to be alike.... | 10/29/1985 |
