Coverage mask generation for large images
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United States of America Patent
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Mar 22, 2011
Grant Date -
N/A
app pub date -
May 2, 2006
filing date -
May 2, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A computer-implemented method is described. The method includes generating a coarse resolution image from a finer resolution image, generating a coarse coverage mask that identifies valid and non-valid data in the coarse resolution image, and determining whether data in the finer resolution image is valid or non-valid data based on whether corresponding data identified by the coarse coverage mask is valid or non-valid data. In certain embodiments, generating a coarse resolution image can include segmenting the finer resolution image into tiles and compressing each tile. Compressing each tile can be preformed using a lossless compression, and at least two tiles can be transmitted to separate computing devices and compressed in parallel.
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