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Extraction of Difference Using a Polarization-shifted Periodic Carrier

 

作者: Ajay Ghosh,   A.K. Chakraborty,  

 

期刊: Optica Acta: International Journal of Optics  （Taylor Available online 1983）
卷期: Volume 30, issue 4  

页码: 425-430

 

ISSN:0030-3909

 

年代: 1983

 

DOI:10.1080/713821219

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

A method is proposed for subtracting two images using a polarization-shifted periodic carrier. The method has been successfully used to find the intensity gradient of a test object in the form of a transparency. Some experimental results are presented.

 

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