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Abstract: emoval: The Elayer trace and sporadic E are removed through a horizontal profile of the ionogram. .Smoothing: The ionogram is smoothed using the closure operator from mathematical morphology [2]. .Ridge enhancement: The ridges in the ionogram are enhanced using the morphological top-hat transformation. .Area-based thresholding: The connected regions on the ionogram are adaptively thresholded on the 4 PREPROCESSED IONOGRAM PRELIMINARY TRACE EXTRACTION A set of preliminary traces representing ... (Update)
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BibTeX entry: (Update)
@misc{ roughan-trace,
author = "Roughan And Percival",
title = "Trace Extraction From Oblique Ionograms",
url = "citeseer.ist.psu.edu/703690.html" }
Citations (may not include all citations):31 Shape Detection in Computer Vision using the Hough Transform (context) - Leavers - 1992
23 Kalman Filtering: Theory and Application (context) - Sorenson - 1985
5 Radio Science (context) - Earl, Ward - 1987
5 Numerische Mathematik (context) - Dijkstra - 1959
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