Taking Correlation from 2D to 3D: Optical Methods and Performance Evaluation

被引：2

作者：

Banerjee, P. P. ^{[1
]}

Abeywickrema, U. ^{[2
]}

Zhou, H. ^{[3
]}

Bordbar, B. ^{[1
]}

Alam, M. ^{[4
]}

Nehmetallah, G. ^{[5
]}

Khoury, J. ^{[6
]}

Cao, L. ^{[7
]}

机构：

[1] Univ Dayton, Dept Electroopt & Photon, Dayton, OH 45469 USA

[2] Univ Colombo, Dept Phys, Colombo, Sri Lanka

[3] Huazhong Univ Sci & Technol, Sch Engn Sci, Wuhan 430074, Hubei, Peoples R China

[4] Texas A&M, Frank H Dotterweich Coll Engn, Kingsville, TX 78363 USA

[5] Catholic Univ Amer, Elect Engn & Comp Sci, Washington, DC 20064 USA

[6] LARTEC Inc, Sudbury, MA 01776 USA

[7] Tsinghua U, State Key Lab Precis Measurement & Instrument, Beijing 100084, Peoples R China

来源：

PATTERN RECOGNITION AND TRACKING XXX | 2019年 / 10995卷

关键词：

Digital holography; photorefractives; computer generated holograms; correlation; figures of merit; HOLOGRAPHY;

D O I：

10.1117/12.2520309

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Correlation of two dimensional (2D) images using photorefractive materials are first reviewed. The performance of a joint transform correlator based on photorefractive beam coupling is analyzed by determining the dependence of typical figures of merit such as the discrimination ratio, peak-to-correlation plane energy ratio, peak-to-noise ratio, etc. on the photorefractive gain coefficient and beam power ratio using typical reference and signal images. Furthermore, correlation of three dimensional (3D) images is introduced as the correlation of their 2D digital holograms. Critical figures of merit used for assessment of 2D correlation of images are applied to the correlation of holograms.

引用

页数：7

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