Three-dimensional shift-invariant pattern recognition in digital holographic microscopy

被引：0
作者：
Wu, Ning [1 ]
Halliwell, Neil A. [1 ]
Coupland, Jeremy M. [1 ]
机构：
[1] Loughborough Univ Technol, Wolfson Sch Mech & Mfg Engn, Loughborough, Leics, England
来源：
BIOPHOTONICS AND NEW THERAPY FRONTIERS | 2006年 / 6191卷
关键词：
holography; image processing; microscopy; Fourier optics and optical signal processing; computer holography; pattern recognition and feature extraction; three-dimensional image processing; three-dimensional microscopy; synthetic discriminant function; optical correlators;
D O I：
10.1117/12.662439
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
This paper reports a three-dimensional (3D) analysis of shift-invariant pattern recognition applied to holographic images reconstructed digitally from holographic microscopes. It is shown that the sequential application of a 2D filter to plane-by-plane reconstructions of an optical field is exactly equivalent to the application of a more general filter with a 3D impulse response. We show that any 3D filter with arbitrary impulse response can be implemented in this way. The process is illustrated (in 3D) by filtering a holographic image of different sized glass spheres suspended in water.
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页数：12
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