Asymptotic computation in mode decision for H.264/AVC inter frame coding

Yu Ming Lee, Yinyi Lin

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


This paper defines and statistically calculates asymptotic computation in mode decision as a function of the quantization parameters (QPs). Results reveal that computation savings are a monotonically increasing function of QP and that computation can be significantly reduced for large QPs. This study investigates and compares the computation cost in several mode decision algorithms with asymptotic computation. Experimental results reveal that most of investigated algorithms are only suitable for high bit-rate coding, except for the recently proposed zero-block decision algorithm that is similar to asymptotic computation.

Original languageEnglish
Pages (from-to)121-127
Number of pages7
JournalJournal of Signal Processing Systems
Issue number2
StatePublished - Feb 2012


  • H.264/AVC
  • Inter mode decision
  • Intra mode decision
  • Quantization parameter
  • Zero-block mode decision


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