System and method for data re-compression for communication...

Details System and method for data re-compression for communication... System and method for data re-compression for communication...

2006-02-28

2006-02-28

Huynh, Kim (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

C710S056000, C710S068000

Reexamination Certificate

active

07007113

ABSTRACT:
The transmission of image data through a network or other transmission medium is bandwidth intensive. To help reduce the amount of bandwidth utilized for the transmission of image data, compression algorithms are used. However, even once compressed, if a large amount of image data is being transferred, such as in a multimode network that shares graphic intensive information (i.e., the world wide web) bandwidth can be at a premium. The present invention provides a technique for receiving multiple image files from multiple sources and applying further compression, or recompression to help alleviate the bandwidth constraints. The present invention operates to further compress image files on-the-fly so that processing delays for the retransmission of the image files are limited. To effectuate the on-the-fly re-compression, image structures to indicate the status of re-compressing the various image files are maintained. Thus, segments of the image files can be re-compressed as they are received regardless of whether the reception of segments from various image files are received in an interleaved manner.

REFERENCES:
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patent: 6121903 (2000-09-01), Kalkstein
patent: 6151636 (2000-11-01), Schuster et al.
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patent: 2001/0014116 (2001-08-01), Saito et al.
patent: 2003/0058248 (2003-03-01), Hochmuth et al.

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