Explore and Model Better I-Frames for Video Coding

Manoranjan Paul, W. Lin, C.-T Lau, B.-S Lee

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)
5 Downloads (Pure)


In video coding, an intra (I)-frame is used as an anchor frame for referencing the subsequence frames, as well as error propagation prevention, indexing, and so on. To get better rate-distortion performance, a frame should have the following quality to be an ideal I-frame: the best similarity with the frames in a group of picture (GOP), so that when it is used as a reference frame for a frame in the GOP we need the least bits to achieve the desired image quality, minimize the temporal fluctuation of quality, and also maintain a more consistent bit count per frame. In this paper we use a most common frame of a scene in a video sequence with dynamic background modeling and then encode it to replace the conventional I-frame. The extensive experimental results confirm the superiority of our proposed scheme in comparison with the existing state-of-art methods by significant image quality improvement and computational time reduction.
Original languageEnglish
Pages (from-to)1242-1254
Number of pages13
JournalIEEE Transactions on Circuits and Systems for Video Technology
Issue number9
Publication statusPublished - Sep 2011


Dive into the research topics of 'Explore and Model Better I-Frames for Video Coding'. Together they form a unique fingerprint.

Cite this