Abstract
In this paper we propose an efficient multiple reference frame motion re-estimation for H.264/AVC frame-skipping transcoding. In the proposed algorithm, all information including reference frame number, motion vector etc. in original H.264/AVC-coded videos are reused when the original reference frame is not skipped; while an efficient multiple reference frame motion re-estimation is employed when the reference frame is dropped. The neighboring reference frames around the skipped reference frame are selected for motion re-estimation, and in addition a zonal search method is used for motion re-estimation. The experimental results reveal that average 87% of computation time (corresponding to a speed-up factor of 8) can be saved for the proposed H.264 frame-skipping transcoding algorithm, when compared with fully decoding/encoding procedure. The degradation in the rate-distortion performance is fairly small.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
