To speed up the facial feature detection, a diamond search algorithm is introduced in the Bayesian classifier.

在人脸特征区域判决中引入菱形搜索，与贝叶斯判决相结合，以提高人脸特征区域的检测速度。

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A series of skills, such as initial search center prediction, the diamond search algorithm and successively sampled distortion measure, are also adopted in this algorithm.

综合采用了初始搜索中心预测、菱形搜索算法和逐步采样偏差比较等技术。

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Experiments results demonstrate that the application on the new diamond search algorithm optimized by MMX has magnificently improved the efficiency of compression ratio and computing speed.

实验结果证明，经算法改进和MMX技术优化的新钻石搜索法远胜于三步搜索法，大大提高了程序运行的效率，使系统达到了软件实时编解码的需要。

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