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| Number | Title | Issue Date |
| 6526168 | Visual neural classifier A neural classifier that allows visualization of the query, the training data and the decision regions in a single two-dimensional display, providing benefits for both the designer and the user. The visual neural classifier is formed from a set of experts... | 02/25/2003 |
| 6434264 | Vision comparison inspection system A vision comparison inspection system is disclosed for use in a printed circuit assembly production line having a plurality of component processing locations and a conveyor system for transporting circuit assemblies between processing locations in an upst... | 08/13/2002 |
| 6430308 | Handwriting verification device A handwriting verification device includes: a normalizing section for normalizing an inputted handwriting which has been subjected to sampling at regular intervals; a registered handwriting dictionary in which registered handwriting is accommodated; a cor... | 08/06/2002 |
| 6424728 | Method and apparatus for verification of signatures An automatic signature verification system is set forth that utilizes a main routine for comparing signatures using forensic hand writing methodology. A secondary program is used to modify the algorithms used by the main program for making adjustments the... | 07/23/2002 |
| 6421458 | Automated inspection of objects undergoing general affine transformation During statistical training and automated inspection of objects by a machine vision system, a General Affine Transform is advantageously employed to improve system performance. During statistical training, the affine poses of a plurality of training image... | 07/16/2002 |
| 6400838 | Pattern inspection equipment, pattern inspection method, and storage medium storing pattern inspection program Pattern inspection equipment has at least a measured data generation unit for generating measured data from patterns that have been delineated on a sample according to design data, a reference data generation unit for generating reference data used to ins... | 06/04/2002 |
| 6400840 | Non-lot based method for assembling integrated circuit devices An inventive method tracks IC devices through the assembly steps in a manufacturing process. Prior to die attach, a laser scribe marks the lead frame of each of the devices with a coded hole matrix that gives each device a unique ID code. During die attac... | 06/04/2002 |
| 6396943 | Defect inspection method and defect inspection apparatus A defect inspection method for detecting defects of a pattern formed on a sample. The method has a step of inputting an optical image of the sample as a sensor data, a step of inputting a reference data corresponding to the sensor data, a step of inputtin... | 05/28/2002 |
| 6393141 | Apparatus for surface image sensing and surface inspection of three-dimensional structures An apparatus for providing a two-dimensional image of a three-dimensional object illuminates the surface of the object using an illumination source. Portions of the surface are imaged through an aperture in a plate onto a portion of a matrix sensor. The o... | 05/21/2002 |
| 6385335 | Apparatus and method for estimating background tilt and offset A computer implemented software device for estimating background tilt and offset is disclosed to preferably be adaptable to an optical measurement instrument wherein the estimated parameters are resolved to generate a reference plane to be subtracted from... | 05/07/2002 |
| 6381347 | High contrast, low distortion optical acquistion system for image capturing An apparatus and method for acquiring an image of a patterned object such as a fingerprint including a light refracting device, a focusing lens, and a light source. The light refracting device can, for example, be a prism and includes an imaging surface, ... | 04/30/2002 |
| 6377698 | Method of locating highly variable brightness or color regions in an image A method of locating highly variable brightness or color regions in an image having at least one specifically ordered region corresponding, for example, to the image of an optical code defined by different-colored elements with a predetermined orientation... | 04/23/2002 |
| 6370263 | Method and device for registering and collating palm imprints There is disclosed a method of registering palm imprints of individuals to be identified to authenticate the individuals. Each palm imprint is divided into parts having regions with predetermined positions and sizes. Feature points are extracted from the ... | 04/09/2002 |
| 6366687 | Data converter apparatus and method particularly useful for a database-to-object inspection system Data converter apparatus for converting in real time data stored in an input compact format into an output expanded real time format. The data including a plurality of groups and repetition of the groups. The groups including, each, many basic geometric f... | 04/02/2002 |
| 6363169 | Apparatus and method of three-dimensional modeling A reference sheet is employed on which reference points are arranged irregularly and asymmetrically. An object of interest is placed on the reference sheet. The object of interest is shot together with the reference points by a camera. A shooting position... | 03/26/2002 |
| 6360005 | Apparatus and method for microscopic inspection of articles A defect detection system for inspecting objects such as reticles, photomasks, semiconductor wafers, flat panel displays and other patterned objects has two or more stages, whereby the object is examined separately for fine defects, by inspecting a binary... | 03/19/2002 |
| 6347150 | Method and system for inspecting a pattern The present invention relates to detection of defects with simple specification of the coordinates, in the inspection of an object having a plurality of patterns in which a portion having the two-dimensional repetition and portions having the repetition o... | 02/12/2002 |
| 6345111 | Multi-modal interface apparatus and method In the multi-modal interface apparatus of the present invention, a gaze object detection section always detects a user's gaze object. The user inputs at least one medium of sound information, character information, image information and operation informat... | 02/05/2002 |
| 6343161 | Image processing device Image data of a test pattern is transmitted to an image processor and image processing is effected by the image processor based on the test pattern. The image outputted (the results of the image processing) from this test pattern image processing and the ... | 01/29/2002 |
| 6341173 | Device and method for the determination of diameters of crystals A device and process for the determination of the diameters of a crystal that is pulled from a liquified material. In this connection several video cameras are provided, each of which reproduces its own section along the vertical axis of the crystal or in... | 01/22/2002 |
| 6333988 | Personal identification A personal identification apparatus for providing information characteristic of an eye includes a housing with an entrance window through which a user looks at a target object. An image capture device within the housing operates to provide an image signed... | 12/25/2001 |
| 6332032 | Method for generating test files from scanned test vector pattern drawings A graphical bitmap image of a scanned test pattern drawing is transformed into a test file in a file format that is readily usable to provide stimuli for computer-aided design (CAD) tools or integrated circuit (IC) testing equipment. A bitmap image of eac... | 12/18/2001 |
| 6330347 | Method and device for identifying fingerprints using an analog flash memory A method for identifying fingerprints includes the steps of acquiring a primary image and a secondary image; determining notable points in the primary image; comparing with one another the primary image and the secondary image in order to identify the cor... | 12/11/2001 |
| 6330355 | Frame layout to monitor overlay performance of chip composed of multi-exposure images A frame layout and method for determining the overlay accuracy of a first chip image relative to a second chip image when the first and second chip images are used to form a single chip. One embodiment employs a vernier scale in two orthoginal directions ... | 12/11/2001 |
| 6324296 | Distributed-processing motion tracking system for tracking individually modulated light points Disclosed is a distributed-processing motion capture system (and inherent method) comprising: plural light point devices, e.g., infrared LEDs, in a motion capture environment, each providing a unique sequence of light pulses representing a unique identity... | 11/27/2001 |
| 6324297 | Skin pattern feature extracting apparatus An original image is held in the image holder 11, and displayed on the image display 12 to be viewed by the operator. The operator inputs the angle of rotation and ratio of compression of an focal point of the original image for observing ridges more clea... | 11/27/2001 |
| 6324298 | Automated wafer defect inspection system and a process of performing such inspection An automated defect inspection system has been invented and is used on patterned wafers, whole wafers, broken wafers, partial wafers, sawn wafers such as on film frames, JEDEC trays, Auer boats, die in gel or waffle packs, MCMs, etc. and is specifically i... | 11/27/2001 |
| 6320979 | Depth of field enhancement A lens system (100) and image plane (104) are used to capture a number of sample images (400) of a three dimensional scene, each sample image (400) corresponding to a different object distance (106). The in-focus portions of each of the sample images (400... | 11/20/2001 |
| 6307959 | Method and apparatus for estimating scene structure and ego-motion from multiple images of a scene using correlation A system that estimates both the ego-motion of a camera through a scene and the structure of the scene by analyzing a batch of images of the scene obtained by the camera employs a correlation-based, iterative, multi-resolution algorithm. The system define... | 10/23/2001 |
| 6304666 | Apparatus for sensing patterns of electrical field variations across a surface An array of nonvolatile field effect transistors used to sense electric potential variations. The transistors owe their nonvolatility to the movement of protons within the oxide layer that occurs only in response to an externally applied electric potentia... | 10/16/2001 |
| 6301385 | Method and apparatus for segmenting images prior to coding To segment moving foreground from background, where the moving foreground is of most interest to the viewer, this method uses three detection algorithms as the input to a neural network. The multiple cues used are focus, intensity, and motion. The neural ... | 10/09/2001 |
| 6298149 | Semiconductor device image inspection with contrast enhancement Machine vision methods for inspection of semiconductor die lead frames include the steps of generating a first image of the lead frame, generating a second image of the lead frame and any defect thereon, and subtracting the second image from the first ima... | 10/02/2001 |
| 6285782 | Mounting apparatus, recognition device and recognition method for electronic component An electronic component mounting apparatus, an electronic component recognition device and an electronic component recognition method are provided which enable accurate recognition for correcting deviations in alignment of an electronic component in relat... | 09/04/2001 |
| 6278797 | Apparatus for inspecting land-attached circuit board An inspection beam such as laser beam is scanned two-dimensionally on an inspection surface of a circuit board with a plurality of lands while allowing its reflected beam from the inspection surface to be received by a beam receiving section. The beam rec... | 08/21/2001 |
| 6272236 | Inspection technique of photomask An improved technique for inspecting photomasks employs simulated images of the resist pattern. A simulated image of an original pattern is compared to a simulated image generated from a pattern captured from a photomask manufactured from the original pat... | 08/07/2001 |
| 6252981 | System and method for selection of a reference die A system for selecting reference die images, such as for use with a visual die inspection system, is provided. The system includes a die image comparator, which compares a first die image to a second die image in order to create a difference image that co... | 06/26/2001 |
| 6249598 | Solder testing apparatus A solder testing apparatus comprising image processing means for performing image processing on an image of an appearance of a soldered portion to identify shape characterizing amounts for the soldered portion; and defect determining means for performing ... | 06/19/2001 |
| 6249599 | Method and apparatus for detecting tool trouble in machine tool In a machine tool for performing cutting work of a work employing a tool provided with at least one throw away tip, abnormality of the tip C can be certainly detected by picking up tips C1, C2, . . . Cn of the tool by means of image pick-up means 23, prov... | 06/19/2001 |
| 6246789 | Component mounting apparatus and method A component mounting apparatus includes a component holding and conveying device for holding and conveying a component and mounting the component onto a circuit board, a circuit board holding device for holding the circuit board, an image recognition opti... | 06/12/2001 |
| 6243487 | Pattern exposure method using electron beam Disclosed is a pattern exposure method for conducting an overlay exposure to a base pattern previously formed by using electron beam, which has the steps of: 1) dividing a group of patterns formed on the base pattern into arbitrary regions; 2) calculating... | 06/05/2001 |
