Matches 101 - 150 out of 154 < 1 2 3 4 >
Match Document Document Title
5157734 Method and apparatus for picking and placing a surface mounted device with the aid of machine vision  
A method for accurately placing a surface mounting device (SMD) with a vacuum nozzle analyzes a video image of the SMD to locate the SMD leads and compute corrections. The positions of the lead...
5136661 Position recognizing method and apparatus therefor  
In a position recognizing method and an apparatus, an edge is detected by scanning a one-dimensional model including an edge to be recognized and one-dimensional edge detecting data of an image...
5129268 Method of measuring average particle size of granular material  
A method of measuring an average particle size of granules. The method computes the average particle size on the basis of an n-order moment M n of an image of granules accumulated in a pile or of...
5115476 Edge finding method and apparatus  
In an edge finding method and apparatus, from image signal components representing picture elements belonging to a predetermined region in a radiation image of an object, which predetermined region...
5091969 Priority order of windows in image processing  
The concept of windows has been widely used in the technical field of image processing. Since the conventional method was necessary to define the shape of the windows so that one window does not...
5068908 Method and apparatus for detecting mark from image data  
An apparatus for detecting from first image data mark image data corresponding to a mark and having a first length in a first direction and a second length in a second direction perpendicular to...
5067161 Image recognition device  
A visual recognition device receives video signals representing an object to be recognized from a video camera, converts the video signals to a two-valued input pattern, and compares the input...
5063605 Method for scale and rotation invariant pattern recognition  
A method for scale and rotation invariant pattern recognition. The method involves the recogniziing of patterns, such as visual images of objects, irrespective of scale or two-dimensional...
5055926 Video image position determination  
An optical beam position controller in which a video camera captures an image of the beam in its video frames, and conveys those images to a processing board which calculates the centroid...
5038380 Method for recognizing position of component and apparatus therefor  
An X-Y coordinate is set on a video image including a component sucked with a suction tube, then two horizontal reference lines parallel to the Y-axis having a first predetermined length which is...
5022089 Method and apparatus for fast registration using crosshair register marks  
A method and apparatus for locating the centers of crosshair register marks and using the mark center locations to register the color film separations or other objects which bear the register...
5012523 Dimension checking method  
A method for checking dimensions of patterns comprising: a first process of selecting patterns of a predetermined kind from a number of patterns including various kinds of patterns; and a second...
5010578 Method and apparatus for the identification of metal surface finishes  
The apparatus includes a specialized scanning system for sampling the metal includes an annular light source for omindirectionally illuminating the surface, a light regulator, and a matrix camera...
4981372 Component shape recognition method  
A boundary of leads of an integrated circuit component shown by binary picture elements on a recognition plane of an image display means is detected by a conventional boundary detecting method, and...
4979221 Method and apparatus for sub-pixel centroiding of a photon event  
A photon signal received on a CCD is digitized and coupled to a 3×3 pixels data analysis array (DAA). The digital signals read out from the penultimate three pixels of the DAA are used to address...
4975973 Image processing device suitable for obtaining the volume and center of gravity of a three-dimensional binary image  
A first memory stores a divided three-dimensional binary image as image data j of p bits. A second memory, equal to the first memory in size, stores data k of q bits, representing the section...
4969200 Target autoalignment for pattern inspector or writer  
A laser pattern inspection and/or writing system which writes or inspects a pattern on a target on a stage, by raster scanning the target pixels. Inspection can also be done by substage...
4965845 Compression and reconstruction of color aeronautical chart images  
A scheme for compressing and reconstructing multi-color high resolution navigation image data, such as aeronautical chart images provides an effective bit rate of one bit per pixel. Data...
4949282 Device for calculating the moments of image data  
A device for calculating the moments of image data has a plurality of image frame memories. The device has an image frame memory (12) for storing original image data, an image frame memory (13) for...
4941190 Method and system for enhancement of a digitized image  
A system and method of modifying pixels supplied to the system that a multiple level signals for a digitized image wherein a moving pixel window with a center pixel, D c , is used from which the...
4876732 System for detecting rotational angle of objective pattern  
A system and method for determining a rotational angle of an objective pattern which involves calculating the area A and linear moments M x and M y of the pattern from binary picture elements...
4872024 Print inspection method, print inspection apparatus and automatic print sorting system  
A method for inspecting whether a print pattern composed of a number of dots is acceptable, an apparatus for inspecting such a print pattern, and an automatic print sorting system are disclosed. A...
4827527 Pre-processing system for pre-processing an image signal succession prior to identification  
In a pre-processing system (45) for pre-processing a succession of image signals which are extracted from an object on an input surface and which are representative of a ridge pattern of the...
4803735 Method and apparatus for calculating position and orientation by combination of features of partial shapes  
There are disclosed a method and an apparatus for properly recognizing the position and orientation of a whole object article from its partial shape. The method comprises the steps of first...
4790023 Method for measuring dimensions of fine pattern  
A method for measuring the dimensions of a fine pattern, comprises first measuring a surface area and determining a profile of a displayed pattern image, second, calculating the center of gravity...
4776027 Geometric figure position and orientation detection method and device  
The position and orientation of a geometric figure are detected by sequentially producing the coordinates with respect to an orthogonal coordinate system of pixels which make up an image of the...
4766556 Three-dimensional solid object manipulating apparatus and method therefor  
A three-dimensional solid object manipulating apparatus and means stores elemental data defining at least one elemental three-dimensional solid object and first memory means. Next, a...
4759075 Method and apparatus for vectorizing documents and symbol recognition  
The invention in a preferred embodiment recognizes symbols by determining the center of mass and maximum extremity of a symbol candidate, and comparing it to a reference library after normalizing...
4748676 Pattern rotation angle detecting system  
A pattern rotation angle detecting system in which the angle of rotation of a pattern is detected according to the image data obtained by binary-coding and spatially-dividing the image signal of...
4720870 Method of automatically and electronically analyzing patterns in order to distinguish symmetrical perceptible areas in a scene together with their centers of symmetry  
Patterns (f) in a scene (S) are analyzed in order to automatically distinguish symmetrical perceptible areas (P) in the pattern (f), even if said symmetrical perceptible areas (P) are intersected...
4704694 Learned part system  
A system for learning a characterization of an object and thereafter identifying the presence and orientation of the object is capable of controlling a robotic system for grasping the object. In an...
4685146 Automatic misregistration correction  
A method and system for determining the movement of an object between different images of the same object; where the movement is defined by a vector value and the vector value is used to correct...
4680802 Posture judgement system in image processing  
This invention relates to a system which improves an operation speed and accuracy of judgement when the posture of an object component parts is judged by an image processor. This system determines...
4658428 Image recognition template generation  
A method and system for generating additional template images containing an object of interest in a plurality of defined orientations from a single stored digitized pixel matrix template image...
4596038 Method and apparatus for character recognition  
A character recognition method involves the inputting of a character attached to an article as an image signal, forming the input image signal into an image pattern, and matching the image pattern...
4593406 Automatic image acquisition processor and method  
A computerized method and point location system apparatus is disclosed for ascertaining the center of a primitive or fundamental object whose shape and approximate location are known. The technique...
4559643 Opto-electronic image processor  
The invention relates to a device for processing optical information of light intensity and/or light polarization and/or phase position and/or spectral composition varying in one, two or three...
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...
4550432 Image processor using a moment generator  
In a robotics system, an image processor may use a moment generator in the identification of an object. Image signals may be provided by an image source such as a TV camera. Synchronizing signals...
4539703 Video data acquisition system and hand-held application module for operation thereof  
A video data acquisition system includes a vision system having a video camera for taking pictures of articles. The video acquisition system is adapted to acquire, digitize and select signals...
4516263 Spatially integral, video signal processor  
A video signal processor, particularly for use in identifying light source position, in which a video signal stream from an image detector is processed directly on a substrate using charge coupled...
4499597 Small-object location utilizing centroid accumulation  
In the disclosed image-analysis scheme, a processing window of M by N pixels is successively scanned in single-pixel steps over a sensed image, with the centroid of the image data contained in each...
4435837 Pattern recognition and orientation system  
A system that automatically scans the shape of a flat object located in a viewing field, recognizes the shape by identifying at least one moment (e.g., the first moment, area; the second moments,...
4424588 Method for detecting the position of a symmetrical article  
Disclosed is a method of detecting the position of a symmetrical article by converting image signals of the article into binary information and detecting the position of the article based on the...
4398177 Method and circuit arrangement for formation of features for automatic character recognition  
For formation of features for automatic character recognition an image pattern memory matrix corresponding to a respective character is read-out analogous to a sampling at different sampling angles...
4398256 Image processing architecture  
Image processing sections and associated circuitry for generating signals indicative of the centered moments of a sliding submatrix window of signals located within a larger image matrix are...
4163212 Pattern recognition system  
A method and related apparatus for finding center lines or center points of distinguishable areas in a scanned field, such as the field of view of an optical scanning device in which is positioned...
4115762 Alignment pattern detecting apparatus  
An alignment pattern detecting apparatus comprises an image pick-up device for scanning and picking up an optical image of alignment pattern formed on a wafer to produce a time-base video signal,...
4041286 Method and apparatus for detecting characteristic features of surfaces  
A novel system is provided for detecting the presence of a characteristic feature on an illuminated surface of an object when used in conjunction with known electro-optical systems for determining...
3757299 METHOD AND APPARATUS FOR MEASURING THE SIZE OF ZONES OF INHIBITION IN AN ASSAY MEDIUM  
A pattern recognition and measuring system for zones of inhibition in a biological assay medium which scans and digitally quantizes the entire medium into pulses representing the zone area. A...
Matches 101 - 150 out of 154 < 1 2 3 4 >