Analysis of low-contrast images based on pseudocoherent phase synthesis method with varying depth of focus

Alexander M. Akhmetshin

doi:10.1117/12.281266

19 August 1997 Analysis of low-contrast images based on pseudocoherent phase synthesis method with varying depth of focus

Alexander M. Akhmetshin

Author Affiliations +

Proceedings Volume 3101, New Image Processing Techniques and Applications: Algorithms, Methods, and Components II; (1997) https://doi.org/10.1117/12.281266
Event: Lasers and Optics in Manufacturing III, 1997, Munich, Germany

Abstract

A new method of low contrast image (LCI) analysis is presented. The method represents a generalization of the known Zernike's method of phase-contrast imaging (ZMPCI), because it covers a wide class of LCI. From the other hand, the new method is further development of the ZMPCI, because it is based on using a new phase-space information characteristics and ensures more sensitive and detailed LCI analysis. The method is completely digital and any analog operations are not needed. It allows to obtain an effect which is equivalent to focus depth variation. From mathematical point of view, the method belongs to domain of nonlinear image processing. Results of experimental investigations are presented.

Citation Download Citation

Alexander M. Akhmetshin "Analysis of low-contrast images based on pseudocoherent phase synthesis method with varying depth of focus", Proc. SPIE 3101, New Image Processing Techniques and Applications: Algorithms, Methods, and Components II, (19 August 1997); https://doi.org/10.1117/12.281266

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available