Convolution operation circuit and object recognition apparatus
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United States of America Patent
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Sep 9, 2014
Grant Date -
Sep 29, 2011
app pub date -
Dec 3, 2009
filing date -
Dec 4, 2008
priority date (Note) -
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Abstract
In a convolution operation circuit, a first and a second shift registers provide data to a first and a second inputs of a plurality of multipliers, a first and a second storage units store data to be supplied to the first and the second shift registers, a plurality of cumulative adders accumulate output from the plurality of multipliers, a third storage unit latches output from the plurality of cumulative adders at predetermined timing, a fourth storage unit stores data to be stored in the first and the second storage units and data output from the third storage unit, and a control unit sets data stored in the first and the second storage units to the first and the second shift registers at predetermined timing, causes the first and the second shift registers to perform shift operations in synchronization with an operation of the cumulative adder.
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