In MPEG-2 to H.264 transcoding, MPEG-2 motion vector (MV) reuse is an effective technique to simplify motion estimation (ME) processing. The irregularity of MPEG-2 MV also brings difficulty in applying data reuse method for hardware design, which plays a critical role for bandwidth reduction. In this paper, two search window reuse methods are introduced for HDTV application. The Level C method utilizes horizontal search window reuse for most macroblock (MB), while the Level C+ method is designed for ultra-low bandwidth applications by reusing both horizontal and vertical search window. Experiment results show both methods can achieve a low bandwidth level with negligible video quality loss.
|Journal||European Signal Processing Conference|
|Publication status||Published - 2008 Dec 1|
|Event||16th European Signal Processing Conference, EUSIPCO 2008 - Lausanne, Switzerland|
Duration: 2008 Aug 25 → 2008 Aug 29
ASJC Scopus subject areas
- Signal Processing
- Electrical and Electronic Engineering