Sun Y, Wang Z Q, Mu G G
Appl Opt. 1990 Nov 10;29(32):4779-83. doi: 10.1364/AO.29.004779.
The new techniques of amplitude compensated matched filtering using circular harmonic expansion and a Mellin transform are presented. These techniques yield much better discrimination and sharper autocorrelation peaks compared with the classical matched spatial filtering. Aside from these advantages, the amplitude compensated circular harmonic expansion matched filtering can also yield rotation invariance, and the amplitude compensated Mellin transform matched filtering can yield scale invariance. By computer simulation, we have verified the unique advantages of the new methods. We also provide 3-D graphs of autocorrelation and cross correlation.
本文提出了利用圆谐波展开和梅林变换的幅度补偿匹配滤波新技术。与传统的匹配空间滤波相比，这些技术具有更好的分辨率和更尖锐的自相关峰值。除了这些优点外，幅度补偿圆谐波展开匹配滤波还能产生旋转不变性，而幅度补偿梅林变换匹配滤波能产生尺度不变性。通过计算机模拟，我们验证了这些新方法的独特优势。我们还提供了自相关和互相关的三维图形。
