Moving body recognition circuit using luminance signal and moving body tracking apparatus using the moving body recognition circuit
Patent 4847688 Issued on July 11, 1989. Estimated Expiration Date: 
April 15, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 15, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3733434 Electrical waveform analysis Operator-interactive automated chromosome analysis system producing a karyotype Patent #: 4656594 InventorsAssigneeApplicationNo. 07/182005 filed on 04/15/1988US Classes:348/172Centroidal trackingExaminersPrimary: Groody, James J.Assistant: Kostak, Victor R. Attorney, Agent or FirmInternational ClassesG06T 7/20 (20060101)G01S 3/786 (20060101) G01S 3/78 (20060101) Foreign Application Priority Data1987-04-17 JPAbstractIn a moving body tracking apparatus having a moving body recognition circuit and TV camera, the moving body recognition circuit includes: a contour signal generator for producing a first contour signal indicative of contour of an image defined by at least one field, a second contour signal subsequent to the first contour signal, and a third contour signal subsequent to the second contour signal, a first and a second memory for temporarily storing, respectively the first and the second contour signals; contour line width increasing circuit responsive to the first and second memory for increasing the width of contour line represented by output signals of the first and second memory; and comparator responsive to the third contour signal and output signal from the contour line width increasing circuit for producing an output signal when a contour line represented by the third contour signal is out of phase with a contour line represented by the output signal from the contour line width increasing circuit. As a result, moving body except for undesired small movement can be satisfactorily extracted.Other References
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