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 |
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引用本文: | 陈鹤鸣,贾小兵.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[J].光学学报,1998,18(8):087-1090. |
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作者姓名: | 陈鹤鸣 贾小兵 |
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作者单位: | 南京邮电学院物理教研室 |
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基金项目: | 邮电部中青年教师科学基金 |
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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Vander Lugt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。
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关 键 词: | 子波匹配滤波器 计算全息 光学子波变换 |
收稿时间: | 1997/8/23 |
Optical Wavelet Transform Using Computer-Generated Wavelet Matched Filter |
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Abstract: | A Haar wavelet transform with a Vander Lugt optical correlator is described. Optical Haar wavelet matched filter is created by using of computer-generated holography (CGH′s). Experimental results for 2-D 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 2-D wavelet transform can be realized. |
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Keywords: | wavelet matched filter computer-generated holograms optical wavelet transform |
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