Forced correlation/mixed mode tracking system
Patent 4958224 Issued on September 18, 1990. Estimated Expiration Date: 
August 15, 2009. 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.
August 15, 2009. 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 ReferencesVideo correlation tracker Correlation follower for tracking an object Dual mode video tracker Patent #: 4719584 InventorsApplicationNo. 394024 filed on 08/15/1989US Classes:348/171Centroidal trackingExaminersPrimary: Groody, James J.Assistant: Kostak, Victor R. Attorney, Agent or FirmInternational ClassH04N 007/18AbstractA tracking system 10 utilizes both a correlation processor 18 and centroid processor 20 to generate track error signals. The operator is given the option to initially select track error signals exclusively from the correlation processor 18 at track initiation. In a mixed mode of operation, track gate error signals from the centroid processor 20 are selected for each axis where the target is contrast bounded while track gate error signals from the correlation processor 18 are selected for each axis where the target is not contrast bounded. | |
