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Methods and apparatus for partitioning transform data

  • US 6,925,208 B1
  • Filed: 05/04/2002
  • Issued: 08/02/2005
  • Est. Priority Date: 05/04/2002
  • Status: Active Grant
First Claim
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1. A method for transferring source data from a server to a client, the method comprising the steps of;

  • generating, from the source data, transform data comprising spatially related coefficients such that a block of coefficients permit reconstruction of identifiable portions of the source data;

    partitioning the transform data into a plurality of partitions of coefficients, each partition comprising coefficients for reconstruction of an identifiable portion of the source data;

    generating, at a client, a request for at least one partition of the coefficients of the source data;

    transferring, from the client to a server, the request;

    extracting, at the server, the at least one partition of coefficients set forth in the request;

    transferring, from the server to the client, the at least one partition of coefficients; and

    reconstructing the source data at the client from the transform data.

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