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6,812,933 Method for rendering algebraically defined two-dimensional shapes by computing pixel intensity using an edge model and signed distance to the nearest boundary

6,804,416 Method and system for aligning geometric object models with images

6,798,925 Method and apparatus for calibrating an image acquisition system

6,718,074 Method and apparatus for inspection for under-resolved features in digital images

6,718,048 Method for recognizing a target component image within an image having multiple component images

6,690,842 Apparatus and method for detection and sub-pixel location of edges in a digital image

6,681,039 Fiducial mark search using sub-models

6,671,049 Article of manufacture bearing a universal alignment target

6,658,145 Fast high-accuracy multi-dimensional pattern inspection

6,594,623 Determining three-dimensional orientation of objects

6,587,582 Semiconductor device image inspection with contrast enhancement

6,577,758 Image position detection technique in which input parameters can be easily determined

6,574,358 Automatic training of inspection sites for paste inspection

6,571,006 Methods and apparatuses for measuring an extent of a group of objects within an image

6,567,542 Automatic training of inspection sites for paste inspection by using sample pads

6,526,165 Methods and apparatuses for refining a geometric description of an object having a plurality of extensions

6,516,092 Robust sub-model shape-finder

6,490,600 Processing continuous data streams in electronic spreadsheets

6,483,950 Determining a depth

6,459,820 Gauging using sub-model poses

6,457,032 Efficient flexible digital filtering

6,424,734 Fiducial mark search using sub-models

6,411,734 Object image search using validated sub-model poses

6,408,109 Apparatus and method for detecting and sub-pixel location of edges in a digital image

6,341,878 Method and apparatus for providing uniform diffuse illumination to a surface

6,324,299 Object image search using sub-models

6,289,492 Methods and apparatuses for defining a region on an elongated object

6,278,796 Image processing system and method using subsampling with constraints such as time and uncertainty constraints

6,252,986 Locating an image of an object having a concentric profile

6,249,602 Method and apparatus for determining a reference point of an object profile within an image

6,240,218 Apparatus and method for determining the location and orientation of a reference feature in an image

6,240,208 Method for automatic visual identification of a reference site in an image

6,215,915 Image processing methods and apparatus for separable, general affine transformation of an image

6,191,850 System and method for inspecting an object using structured illumination

6,178,262 Circle location

6,157,732 Image processing system and method using subsampling with constraints such as time and uncertainty constraints

6,154,567 Pattern similarity metric for image search, registration, and comparison

6,148,120 Warping of focal images to correct correspondence error

6,141,033 Bandwidth reduction of multichannel images for machine vision

6,141,009 Interface for model definition

6,137,893 Machine vision calibration targets and methods of determining their location and orientation in an image

6,130,959 Analyzing an image of an arrangement of discrete objects

6,118,893 Analysis of an image of a pattern of discrete objects

6,075,881 Machine vision methods for identifying collinear sets of points from an image

6,035,066 Boundary tracking method and apparatus to find leads

6,025,905 System for obtaining a uniform illumination reflectance image during periodic structured illumination

6,011,586 Low-profile image formation apparatus

6,005,978 Robust search for image features across image sequences exhibiting non-uniform changes in brightness

6,002,793 Machine vision method and apparatus for finding an object orientation angle of a rectilinear object

5,995,648 Image processing system and method using subsampling with constraints such as time and uncertainty constraints

5,991,436 Apparatus and method for inspecting wirebonds on leads

5,987,172 Edge peak contour tracker

5,987,159 System or method for detecting defect within a semi-opaque enclosure

5,982,927 Methods and apparatuses for in-line solder paste inspection

5,982,395 Method and apparatus for parallel addressing of an image processing memory

5,978,521 Machine vision methods using feedback to determine calibration locations of multiple cameras that image a common object

5,978,081 Multiple field of view calibration plate for use in semiconductor manufacturing

5,978,080 Machine vision methods using feedback to determine an orientation, pixel width and pixel height of a field of view

5,970,166 System or method for identifying contents of a semi-opaque envelope

5,960,125 Nonfeedback-based machine vision method for determining a calibration relationship between a camera and a moveable object

5,949,905 Model-based adaptive segmentation

5,949,901 Semiconductor device image inspection utilizing image subtraction and threshold imaging

5,943,441 Edge contour tracking from a first edge point

5,918,196 Vision system for analyzing solid-of-revolution radius profile

5,912,984 Method and apparatus for in-line solder paste inspection

5,912,768 Depth-from-defocus optical apparatus with invariance to surface reflectance properties

5,900,975 Ghost image extinction in an active range sensor

5,878,152 Depth from focal gradient analysis using object texture removal by albedo normalization

5,872,870 Machine vision methods for identifying extrema of objects in rotated reference frames

5,861,910 Image formation apparatus for viewing indicia on a planar specular substrate

5,861,909 Apparatus for automated optical inspection objects

5,859,923 Mark quality inspection apparatus and method

5,850,466 Golden template comparison for rotated and/or scaled images

5,825,913 System for finding the orientation of a wafer

5,825,483 Multiple field of view calibration plate having a regular array of features for use in semiconductor manufacturing

5,818,443 Single step coarse registration and inspection of circular objects

5,768,443 Method for coordinating multiple fields of view in multi-camera

5,757,956 Template rotating method for locating bond pads in an image

5,751,853 Locating shapes in two-dimensional space curves

5,717,785 Method and apparatus for locating patterns in an optical image

5,673,334 Method and apparatus for inspection of characteristics on non-rigid packages

5,640,200 Golden template comparison using efficient image registration

5,602,937 Methods and apparatus for machine vision high accuracy searching

5,583,954 Methods and apparatus for fast correlation

5,548,326 Efficient image registration

5,249,499 Adjustable Tuning Barrel

Many more patents pending, and many older patents written while at other firms.

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