System for configuring an optoelectronic sensor
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Abstract
Disclosed are methods and apparatus for automatic optoelectronic detection and inspection of objects, based on capturing digital images of a two-dimensional field of view in which an object to be detected or inspected may be located, analyzing the images, and making and reporting decisions on the status of the object. Decisions are based on evidence obtained from a plurality of images for which the object is located in the field of view, generally corresponding to a plurality of viewing perspectives. Evidence that an object is located in the field of view is used for detection, and evidence that the object satisfies appropriate inspection criteria is used for inspection. Methods and apparatus are disclosed for capturing and analyzing images at high speed so that multiple viewing perspectives can be obtained for objects in continuous motion.
125 Citations
77 Claims
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1-72. -72. (canceled)
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73. A system for configuring an optoelectronic sensor, comprising:
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a field of view;
a plurality of software elements, wherein each software element performs an action;
a plurality of connections, wherein each connection specifies that the action of a software element of the plurality of software elements depends on the action of at least one other software element of the plurality of software elements;
an output signal;
a first software element whose action analyzes a region of interest within the field of view so as to produce a measure of evidence for a visible condition in the field of view, the first software element being one of the plurality of software elements;
a second software element whose action makes a logic decision depending on the measure of evidence, the second software element being another of the plurality of software elements;
a third software element whose action controls the output signal depending on the logic decision, the third software element being yet another of the plurality of software elements;
a first connection that specifies that the second software element depends on the first software element, the first connection being one of the plurality of connections;
a second connection that specifies that the third software element depends on the second software element, the second connection being another of the plurality of connections; and
a human-machine interface comprising a display that shows using a ladder diagram at least one of the plurality of software elements and at least one of the plurality of connections. - View Dependent Claims (74, 75, 76, 77)
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Specification