Image detection processing device for calculating the moments of image data
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United States of America Patent
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Apr 21, 2009
Grant Date -
Dec 30, 2004
app pub date -
Jun 4, 2004
filing date -
Jun 6, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An image detection processing device which executes the processing at a high speed using a circuit constitution of a small scale best suited for calculating the centroid of an object, the circuit being arranged on the same chip as the image detection processing device. The image detection processing device or a so-called vision chip includes a plurality of image detection processing elements, and comprises a shift register for converting serial data representing the total sum or a portion of the pixel data into a first parallel data, an adder which receives the converted parallel data and outputs a second parallel data representing a first-order moment, and a serial divider which receives the first and second parallel data and divides them to produce serial data representing the centroid coordinates, featuring a circuit constitution of a small scale and realizing a high-speed processing.
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