Image coding system using an orthogonal transform and bit allocation method suitable therefor
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United States of America Patent
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Jul 5, 1994
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N/A
app pub date -
Jan 16, 1992
filing date -
Jan 17, 1991
priority date (Note) -
Expired
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Abstract
A bit allocation method which facilitate control of the number of bits to be assigned to transform coefficients and block of image data with a deviation from the functional form. An image coding system which can implement an optimal bit allocation that minimizes quantization error under a predetermined information content or amount, in carrying out bit allocations of block-adaptive type and transform coefficient-adaptive type.
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