| Paper: | IMDSP-P16.5 | ||
| Session: | Video Coding II | ||
| Time: | Friday, May 19, 14:00 - 16:00 | ||
| Presentation: | Poster | ||
| Topic: | Image and Multidimensional Signal Processing: Video Coding | ||
| Title: | Enhanced Diamond Search Using Four-Corner-Based Inner Search For Fast Block Motion Estimation | ||
| Authors: | Lai-Man Po, Chi-Wang Ting, Ka-Ho Ng, City University of Hong Kong, Hong Kong SAR of China | ||
| Abstract: | This paper proposes a very efficient and simple fine-resolution inner search for the well-known diamond search (DS) algorithm. Based on the local unimodal error surface assumption, a new 4-corner-based inner search technique is proposed to speedup the original DS in both large and small motion environments by exploiting the group-distortion information of some evaluated points. Experimental results show that the enhanced diamond search (EDS) is faster than the original DS up to 30% with negligible PSNR degradation. | ||
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