Fast 3-D algorithm for the 3-D IDCT

被引：1
|
作者：
Alshibami, O [1 ]
Boussakta, S [1 ]
Darnell, M [1 ]
机构：
[1] Univ Leeds, Sch Elect & Elect Engn, Inst Integrated Informat Syst, Leeds LS2 9JT, W Yorkshire, England
来源：
PARALLEL AND DISTRIBUTED COMPUTING, APPLICATIONS AND TECHNOLOGIES, PDCAT'2003, PROCEEDINGS | 2003年
关键词：
D O I：
10.1109/PDCAT.2003.1236424
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, a fast three-dimensional algorithm for the calculation of the three-dimensional inverse discrete cosine transform (3-D IDCT) is introduced. The derivation of the algorithm is presented and its arithmetic complexity is analysed and compared to that of the familiar row-column-frame (RCF) method. The proposed algorithm is found to reduce the number of multiplications by about 41%, whilst keeping the number of additions the same. Also, based on computer run-time, it is found to reduce the time involved in calculating the 3-D IDCT significantly. This makes the developed algorithm more suitable for 3-D image and video compression decoders involving the 3-D IDCTs.
引用
收藏
页码：825 / 828
页数：4
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