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OALib Journal期刊
ISSN: 2333-9721
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Optimization of H.264 encoder based on SIMD technology
基于单指令多数据技术的H.264编码优化

Keywords: H,264,Single-Instruction Multiple-Data(SIMD),Integer DCT(Discrete Cosine Transform),interpolation,Sum of Absolute Difference(SAD)
H.264
,单指令多数据,整数离散余弦变换,插值,绝对误差和

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Abstract:

The SIMD(Single-Instruction Multiple-Data) instruction system was introduced,and further Integer DCT(Discrete Cosine Transform),quant,interpolation and motion estimation of H.264 were optimized with the SIMD technology.The experiment indicates that the encoding speed of program after optimization reaches about 30fps and the speed has been improved by 6~8 times.

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