Importance

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Abstract

In motion search using a PE array, a technique is provided for enabling high-speed calculation while avoiding bank conflict without increasing a memory for storing pixels outside the screen. When pieces of pixel data of a plurality of lines to be read from the memory 3 (reference image memory 30) exist in a same bank, the conflict bank anticipatory read control unit 10 reads pixel data of a line in advance, and a read data holding circuit 20 holds the data until timing for inputting to a PE array unit 4. Accordingly, bank conflict can be avoided when reading pixel data from the memory 3, so that smooth pipeline processing by the PE array unit 4 can be realized.

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First Claim