Image compression coding system
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United States of America Patent
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-
Jan 8, 1991
Grant Date -
N/A
app pub date -
Jul 26, 1989
filing date -
Jul 27, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An image coding apparatus includes an image dividing circuit for dividing an image signal of one frame into a plurality of blocks, an amount-of-data calculator for computing the amount of data representing fineness of a picture included each block, a bit-assignment determining circuit for distributing all coding bits usable for encoding the image signal of one frame to the individual blocks, to each block a number of bits which has been determined by the amount of data of the block, a quantizer for quantizing the image signal for each block and outputting a quantization signal, and an encoder for encoding the quantization signal in accordance with the number of bits of each block determined by the bit-assignment determining circuit.
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