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Balancing compressed storage requirements with decompression times during punt protection processing in a page printer
Balancing compressed storage requirements with decompression times during punt protection processing in a page printer
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机译:在页面打印机的平底纸保护处理期间,通过压缩时间与压缩存储需求之间的平衡
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摘要
An imaging device and method optimize memory usage during a print overrun avoidance operation by employing selected compression schemes upon page bands while ensuring that required decompression times of the bands are met for subsequent rendering purposes. A preferred method includes compressing a band from a page of image data and, if an estimated decompression time for the compressed band does not satisfy a race-the-laser threshold for subsequent video imaging, then decompressing the band and measuring an actual decompression time. If the actual decompression time satisfies the race-the-laser threshold, then the method includes keeping the compressed band for subsequent video imaging. On the other hand, if the actual decompression time does not satisfy the race-the-laser threshold, then the band is re-compressed using an alternate compression scheme and re-evaluated similar to the originally compressed band to determine whether the recompressed band's decompression time will satisfy the race-the-laser threshold.
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