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Apparatus and method for macroblock based rate control in a coding system

  • US 6,690,833 B1
  • Filed: 06/18/1998
  • Issued: 02/10/2004
  • Est. Priority Date: 07/14/1997
  • Status: Expired due to Term
First Claim
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1. A method for allocating bits to encode each frame of an image sequence, each of said frame having at least one block, said method comprising the steps of:

  • (a) determining a target frame bit rate for the frame; and

    (b) allocating said target frame bit rate among the at least one block in accordance with a target block bit rate for the at least one block, wherein said target block bit rate for the at least one block is selected in accordance with a mean absolute difference (Mad) of said block.

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