Autofocusing based on power-spectra analysis

Autofocusing based on power-spectra analysis

An autofocusing mechanism based on the concept of autocorrelation is described. The method may be performed optically with ring detectors in the Fourier domain or electronically with a special computing chip or software.

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Veröffentlicht in:Applied Optics 1994-09, Vol.33 (26), p.6210-6212
Hauptverfasser: Jutamulia, S, Asakura, T, Bahuguna, R D, De Guzman, P C
Format: Artikel
Sprache:eng
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Beschreibung
Zusammenfassung:An autofocusing mechanism based on the concept of autocorrelation is described. The method may be performed optically with ring detectors in the Fourier domain or electronically with a special computing chip or software.
ISSN:1559-128X
0003-6935
1539-4522
DOI:10.1364/AO.33.006210