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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

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Optical system to compute intensity moments: design.

D Casasent¹, L Cheatham, D Fetterly

¹Carnegie-Mellon University, Department of Electrical Engineering, Pittsburgh, Pennsylvania 15213, USA.

|April 17, 2010

Summary

This study introduces a novel frequency-multiplexed coherent optical processor for calculating image intensity moments. The system offers easy output manipulation for bipolar moments and error correction, enhancing image processing capabilities.

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Area of Science:

Optics and Photonics
Image Processing
Signal Processing

Background:

Coherent optical processing offers advanced capabilities for image analysis.
Calculating image moments is crucial for various computer vision tasks.
Existing methods may face limitations in dynamic range and error correction.

Purpose of the Study:

To present a frequency-multiplexed coherent optical processor for computing image intensity moments.
To analyze the space-bandwidth product and dynamic range of the system's components.
To highlight the system's flexibility in obtaining bipolar moments and correcting errors.

Main Methods:

Utilizing a frequency-multiplexed architecture for coherent optical processing.
Implementing components with specific space-bandwidth products and dynamic ranges.
Developing methods for output manipulation to achieve bipolar moments and error correction.

Main Results:

Demonstration of a functional frequency-multiplexed coherent optical processor.
Analysis of component limitations and system performance metrics.
Successful computation of intensity moments for gray-scale images.

Conclusions:

The developed optical processor effectively computes image intensity moments.
The system provides a robust platform for advanced image analysis with error correction capabilities.
Frequency-multiplexed coherent optical processing offers a promising approach for efficient image moment computation.