Motion compensation using minimum bits per motion block as criterion for block matching
Patent 5418617 Issued on May 23, 1995. Estimated Expiration Date: 
May 23, 2012. 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.
May 23, 2012. 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 ReferencesAdaptive predictive coding apparatus of television signal Apparatus for coding a moving-picture signal Three dimensional motion compensated video coding Image transformation coding device with adaptive quantization characteristic selection Motion compensation for interlaced digital television signals Motion compensated interframe encoding system with adaptive quantization Patent #: 5111294 InventorsAssigneeApplicationNo. 742398 filed on 08/08/1991US Classes:348/413.1, Including motion vector348/416.1Including motion vectorExaminersPrimary: Oberley, Alvin E.Assistant: Oh, Minsun Attorney, Agent or FirmInternational ClassH04N 007/12AbstractApparatus for selecting a block of data in a previous frame to be used as a predicted block for a given block in a current frame in a system that reduces the bit rate by codifying the difference between the predicted block and the given block in a given manner by deriving the differences between the given block in the current frame and a plurality of blocks in the previous frame and selecting as the predicted block that block for which the codification of its differences with the given block requires the least number of bits. The apparatus can also select a predicted block from a number of blocks selected in accordance with ABD or SBD techniques.Other References
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