26 October 1983 Coherent Optically Performed Operations In A 4D Compound Space-Spatial Frequency Domain With Applications In Image Analysis And Quality Control
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Proceedings Volume 0397, Applications of Digital Image Processing V; (1983) https://doi.org/10.1117/12.935302
Event: 1983 International Technical Conference/Europe, 1983, Geneva, Switzerland
Abstract
Two ways of representing 2D signals as 4D spectrograms and their relation to the Wigner Distribution Function (WDF) are discussed. Some methods for their coherent optical generation and suitable display, e.g. partially sampled, are given. Furthermore it is shown how the Local Power Spectra (LPS) representation serves for the computation of a kind of tex-ture gradient and how the Spectral Power Excerpts (SPE) represenation proved to be useful in automatic interferogram evaluation.
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Helmut G. Glunder, Helmut G. Glunder, Richard Bamler, Richard Bamler, } "Coherent Optically Performed Operations In A 4D Compound Space-Spatial Frequency Domain With Applications In Image Analysis And Quality Control", Proc. SPIE 0397, Applications of Digital Image Processing V, (26 October 1983); doi: 10.1117/12.935302; https://doi.org/10.1117/12.935302
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