EFFICIENTLY CODING SCANNING ORDER INFORMATION FOR A VIDEO BLOCK IN VIDEO CODING
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United States of America Patent
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Issued Date -
Jun 28, 2012
app pub date -
Dec 20, 2011
filing date -
Dec 22, 2010
priority date (Note) -
Abandoned
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Abstract
An apparatus is disclosed for coding coefficients associated with a block of video data, including a video coder configured to code information that identifies a first scanning order associated with the block if a position of any of one or more of the coefficients within the block, starting with a first coefficient within the block and ending with a last non-zero coefficient within the block according to the first scanning order, and proceeding according to the first scanning order, according to the first scanning order is different than a position of the respective coefficient within the block according to a second scanning order, and avoid coding the information if the position of each of the one or more of the coefficients within the block according to the first scanning order is the same as the position of the respective coefficient within the block according to the second scanning order.
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