The efficiency of the half pixel search is improved by using a paraboloid prediction based fast half pixel motion estimation algorithm.

为了加速半像素搜索，提出了一种基于抛物面预测的半像素快速搜索算法。

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A fast half-pixel motion estimation algorithm is proposed after analyzing three different mathematical prediction models based on concave functions.

分析了三种不同的凹函数预测模型，提出了一种适合硬件实现的运动估计快速半像素级搜索算法。

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After deeply studied in the fast Fourier transform (FFT) method, this paper presents an improved FFT algorithm considering the half-wave symmetric characteristic of power system signals.

在深入分析快速傅里叶变换(FFT)方法的基础上，针对一类电网信号具有半波对称性的特点，提出了一种改进的FFT算法。

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