Image adapter with tilewise image processing, and method using such an adapter
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United States of America Patent
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Jun 23, 2009
Grant Date -
May 26, 2005
app pub date -
Oct 6, 2004
filing date -
Oct 15, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An image adapter transforms an input image into an output image by successively processing tiles and by changing numbers of columns and of rows of image points. The image adapter includes queue memories connected in series so as to receive values associated with the points of a tile of the input image. A module for calculating a weighted average possesses inputs connected respectively to an output of one of the memories. The module produces values sampled in a direction parallel to the columns and corresponding to the values associated with points of the input image. A sampling rate converter, connected to the output of the module, produces values associated with the points of the output image according to a sampling rate determined for a direction parallel to the rows.
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