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FRAME BUFFER MEMORY OPERATING METHOD USED TO DECOMPRESS COMPRESSED MOVING PICTURES, AND DECODING APPARATUS ADAPTED TO FRAME BUFFER MEMORY OPERATING METHOD

  • US 20090086818A1
  • Filed: 10/01/2008
  • Published: 04/02/2009
  • Est. Priority Date: 10/02/2007
  • Status: Abandoned Application
First Claim
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1. A frame buffer memory operating method used to decompress compressed image data including I frames and P frames, the method comprising:

  • decoding a current input I frame and storing the decoded current I frame in a standby buffer and converting the standby buffer having the decoded current I frame into a storage buffer and simultaneously converting a storage buffer having a previous I frame into another standby buffer; and

    decoding a current input P frame with reference to the decoded current I frame stored in the storage buffer, storing the decoded current P frame in one of the standby buffers, and converting the standby buffer having the current P frame to the another standby buffer.

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