Title :
Efficient down-up sampling using DCT kernel for MPEG-21 SVC
Author :
Shin, Il-Hong ; Park, HyunWook
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea
Abstract :
Down-up sampling of images is an essential process for spatial scalability of the video coding standard. We propose an efficient down-up sampling method in spatial domain using DCT kernel. The computational complexity of the proposed method is reduced by taking advantages of various symmetries of the combined DCT kernel. The proposed down-up sampling method is compared to that of MPEG-21 SVM 3.0 [ISO/IEC/JTCI 2004]. The proposed method outperforms the performance of MPEG-21 SVM 3.0 with slightly increased addition operation.
Keywords :
code standards; computational complexity; discrete cosine transforms; image sampling; transform coding; video coding; DCT kernel; MPEG-21 performance; computational complexity; image down-up sampling method; spatial domain; video coding standard; Computational complexity; Discrete cosine transforms; ISO standards; Image sampling; Kernel; Sampling methods; Scalability; Static VAr compensators; Support vector machines; Video coding;
Conference_Titel :
Image Processing, 2005. ICIP 2005. IEEE International Conference on
Print_ISBN :
0-7803-9134-9
DOI :
10.1109/ICIP.2005.1530473
