| 摘要 |
An LSI device for encoding an image includes a dot sequential access unit for sequentially storing in an external storage image data arranged in a dot sequential manner, a block data output device for outputting block data from the storage, the block data including the pixel data of a predetermined number of lines and a predetermined number of columns, and a vertical decimating unit for conducting a vertical decimating operation for the block data. The LSI device employs only one memory to achieve the decimating operation and the blocking operation. As a result, the number of pins of the device and the size thereof can be decreased.
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