Apparatus of compressing image data and a method thereof
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United States of America Patent
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Jan 25, 2011
Grant Date -
Apr 16, 2009
app pub date -
Oct 15, 2007
filing date -
Oct 15, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for compressing an image data with an array of pixels comprising a data length is disclosed. The apparatus comprises a rearranging unit, a transformation operator, a quantizer and a coding operator. The rearranging unit is configured to transform the array to form a rearranged block with a mark value. The transformation operator is configured to obtain transform coefficients of the rearranged block according to a predetermined transformation. The quantizer is configured to quantize the transform coefficients. The coding operator is configured to generate a result data by coding the transform coefficients which is quantized and the mark value according to a predetermined coding method.
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