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Digital holographic imaging [electronic resource] /

by Huang, Suxian.

Abstract (Summary)
Summary: Based on the DHPIV technique, two systems were implemented in Laser Flow Diagnostics Lab. My work was to calibrate the systems with different particles, quantify the errors and find the limitations of the two holography systems as a reference for practical use and further development. I also made an attempt to explore the capabilities of the systems for applications. In the first part, calibrations were performed on the shape, position and size accuracy. The work done on the different objects in the four steps of the digital information processing, namely preprocessing, image reconstruction, particle extraction and velocity extraction were discussed, and the lens-based recording was studied. A novel particle extraction method, PECA, which was developed by Gang Pan, was proved out to be more accurate than the conventional PEI method for both depth resolution and size measurement. In the second part, capabilities of the system for applications were demonstrated by the practical tests. (Abstract shortened by UMI.)
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Advisor:

School:State University of New York at Buffalo

School Location:USA - New York

Source Type:Master's Thesis

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