کنفرانس مهندسی برق ایران

صفحه اصلی / سی و یکمین کنفرانس بین المللی مهندسی برق

Design and Simulation of Modified Salisbury Spatial Filter using Genetic Algorithm for Improving Optical Image Processing

نویسندگان :

Mohammadmahdi Modabberanbeh¹ Hassan Kaatuzian² Amir Nader Askarpour³

1- دانشگاه صنعتی امیرکبیر 2- Faculty of Electrical Engineering Amir Kabir University of Technology 3- Faculty of Electrical Engineering Amir Kabir University of Technology

کلمات کلیدی :

Salisbury Screen،Fourier optic،optical image processing،spatial filter،genetic algorithm

چکیده :

Traditional all-optical image processing has been done by bulky devices or expensive equipment. Salisbury Screen Absorber (SSA) is a subwavelength device that enables real-time image processing in an all-optical way. Here, the applications of standard and multilayer SSA as a spatial frequency filter system for edge detection and phase gradient visualization are investigated. The system’s output manifests itself in the intensity of the reflected light. The optimized SSA indicates the potential of this device in edge-detection applications. The improvements are performed using the Genetic algorithm. Both Matrix Optics (MO) and Transmission Line model (TLM) are used for the simulations and calculation of transmission and reflection coefficient.

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