Mu G G, Wang X M, Wang Z Q
Appl Opt. 1988 Aug 15;27(16):3461-3. doi: 10.1364/AO.27.003461.
A method of amplitude-compensated matched filtering is presented. This yields much better discrimination and a sharper autocorrelation peak compared with the classical matched spatial filter and the phase-only one. By computer simulation in the case of alphanumeric characters, it is concluded that, although the phase information is significantly more important, in the case of a matched filter, the amplitude is important too. Three-dimensional graphs of autocorrelation and cross-correlation are also provided.
提出了一种幅度补偿匹配滤波方法。与经典匹配空间滤波器和纯相位滤波器相比，该方法具有更好的分辨率和更尖锐的自相关峰值。通过对字母数字字符的计算机模拟得出结论，虽然相位信息明显更重要，但在匹配滤波器的情况下，幅度也很重要。还提供了自相关和互相关的三维图。
