节点文献
应用计算全息制作的子波匹配滤波器实现光学子波变换的研究
Optical Wavelet Transform Using ComputerGenerated Wavelet Matched Filter
【摘要】 介绍了一种应用计算全息制作的子波匹配滤波器实现光学子波变换的新方法,应用计算全息制作Haar子波函数的匹配滤波器和光学VanderLugt相关器实现了二维子波变换,给出了实验结果。这种方法可实现任意子波函数的光学子波变换,且简单易行。
【Abstract】 A Haar wavelet transform with a Vander Lugt optical correlator is described. Optical Haar wavelet matched filter is created by using of computergenerated holography (CGH′s). Experimental results for 2D wavelet transform are obtained. The main advantage of the proposed method lies in that any types of wavelet matched filters can be fabricated and their 2D wavelet transform can be realized.
【关键词】 子波匹配滤波器;
计算全息;
光学子波变换;
【Key words】 ? wavelet matched filter; computergenerated holograms; optical wavelet transform.;
【Key words】 ? wavelet matched filter; computergenerated holograms; optical wavelet transform.;
【基金】 邮电部中青年教师科学基金
- 【文献出处】 光学学报 ,ACTA OPTICA SINICA , 编辑部邮箱 ,1998年08期
- 【分类号】O438
- 【被引频次】9
- 【下载频次】69