| Titre : | Combined adaptive-fixed interpolation with multi-directional filters |
| Auteurs : | Zhongmou Wu, Auteur ; Yun He, Auteur |
| Type de document : | Article : texte imprimé |
| Dans : | Signal processing. Image communication (Vol. 24 N° 4, Avril 2009) |
| Article en page(s) : | pp. 277-286 |
| Note générale : | Electronique |
| Langues : | Anglais |
| Index. décimale : | 621.382 (Dispositifs électroniques utilisant les effets des corps solides. Dispositifs semi-conducteurs) |
| Tags : | Combined adaptive-fixed interpolation (CAFI) Adaptive Video coding Directional filter |
| Résumé : |
By optimizing the variable filter coefficients through calculating Wiener–Hopf equations for each picture, the adaptive-interpolated prediction can significantly improve the coding efficiency.
However, compared with the fixed coefficient interpolation filtering, this technique adds a huge amount of complexities in implementation. To reduce the complexity of the interpolating unit, this paper proposes a sub-pixel interpolation scheme, which is called combined adaptive-fixed Interpolation (CAFI) with multi-directional filters. Compared evaluations of the hardware complexity as well as the coding efficiency are given. The results show that the CAFI has lower complexity and a stable high coding efficiency for test sequences. |
| DEWEY : | 361.382 |
| ISSN : | 0923-5965 |
| En ligne : | http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%235640%232009%23999759995%231089061%23FLA%23&_cdi=5640&_pubType=J&_auth=y&_acct=C000070790&_version=1&_urlVersion=0&_userid=6909337&md5=2b2f2877887e0687c5dc56788d7cf206 |
