This paper presents an intermediate function reconstruction algorithm based on Fourier transform, and also designs a scan method used in Cardiac scan.
论文给出了一种基于傅立叶变换的中间函数法图像重建算法，并针对该算法设计了一种心脏扫描方案。
On the basis of evaluation function of using image intensity variance, we proposed a new auto-focusing algorithm by means of Wavelet Transform Multi-Resolution Analysis(WTMRA) theory.
在传统图像灰度方差评价函数的基础上，利用小波多分辨率分析，提出了一种新的自动聚焦算法。
Based on zero crossing representation of wavelet transform of this radial function and matching procedure, a new algorithm to identify orbits of shaft centerline is proposed.
基于此函数的小波变换零交叉表示和匹配过程，得到了识别轴心轨迹的一种新方法。
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