System and method of video coding quantization and dynamic range control
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United States of America Patent
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Aug 29, 2017
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Jan 11, 2013
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Jan 19, 2012
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Abstract
Methods, apparatus and systems for processing video blocks. The method including transforming, via a transform unit, the video residual data using a single one-dimensional transform to generate a first set of coefficients associated with the video block; quantizing, via a quantization unit, the first set of coefficients to generate a second set of quantized coefficients, wherein the method for processing the video residual data includes bit-shifting any of the first and second sets of coefficients; entropy coding the second set of quantized coefficients after the bit-shifting; and transmitting the entropy coded second set of quantized coefficients. In certain embodiments, the bit shifting may include integer and/or fractional bit shifting.
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