Progressive block encoding using region analysis
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United States of America Patent
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Jan 1, 2013
Grant Date -
N/A
app pub date -
Oct 13, 2006
filing date -
Jul 28, 2005
priority date (Note) -
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Abstract
The present invention provides a method of encoding and transmitting a block of visual data within a visual data stream. First, image information updates are acquired for the block of visual data that includes pixel data and is associated with a change history of pixel data. Next, stored block information is retrieved for the block of visual data, including a recent change history for the block of visual data. Next, a determination is made from the retrieved block information and the image information updates that the block of visual data is a video image type. Available network bandwidth is then determined. Encoding parameters for the block of visual data from the retrieved block information, the image information updates and the available network bandwidth are determined. The block of visual data is encoded and transmitted across a computer network.
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