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20 October 1997 Image centering in a joint transform correlator with a phase-encoded input
Leonid I. Muravsky
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Proceedings Volume 3238, Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing; (1997) https://doi.org/10.1117/12.284789
Event: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing, 1997, none, Ukraine
Abstract
The model of the robot vision system for image centering contained the joint transform correlator (JTC) with a phase-encoded input is proposed. The algorithm for an image centering and tracking realized with the robot vision system is considered. The principle of the image tracing algorithm is discussed. The theoretical analysis of the proposed system for the phase-encoded binary rectangular image entered to the JTC input is carried out. Equations for calculation the autocorrelation peaks and differential signal at the JTC output are obtained. Dependencies between geometric parameters of the moving phase-encoded input image and output signal magnitudes are found. Possibilities of the proposed system for a scale- and rotation-invariant object centering are briefly considered.
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Leonid I. Muravsky "Image centering in a joint transform correlator with a phase-encoded input", Proc. SPIE 3238, Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing, (20 October 1997); https://doi.org/10.1117/12.284789
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KEYWORDS
Joint transforms
Optical correlators
Detection and tracking algorithms
Robot vision
Robotic systems
Binary data
Visual process modeling
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