Selection method of reference pictures

Selection method of reference pictures

  • CN 1,761,322 B
  • Filed: 03/03/2004
  • Issued: 01/02/2013
  • Est. Priority Date: 03/03/2003
  • Status: Active Grant
First Claim
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1. method of determining the reference picture of a macro block, it comprises:

  • Determine reference picture index in the P two field picture with frame/field macro block based on the order opposite with coded sequence, determine reference picture index in the B two field picture with frame/field macro block based on the DISPLAY ORDER of two field picture;

    Revise described reference picture index according to the coding mode of described macro block, wherein, when the coding mode of described macro block is field mode, begin the reference field that is different from when the parity of front court to having from having the reference field that equals when the parity of front court, the reference picture index that has increased by one modification is alternately distributed to reference field;

    Use the reference field image index of described modification, described macro block carried out motion compensation.

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