4sm_illustrations_the_smoothing

Optical calibration, bathymetry, water column correction and bottom typing of shallow marine areas, using passive remote sensing imageries

The Smart-Smoothing Process

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Smoothing is absolutely necessary, more so for deeper/darker pixels.
Smoothing must preserve the edges of sea-bottom features,
- while applying a larger smoothing window to darker pixels with low S/N ratio.

Smart-Smoothing preserves the edges	Smart-Smoothing preserves the edges Smart-Smoothing preserves the edges of the dark and shallower patch The profile compares RAW in thin blue DEGLINTED in thin red Smart-Smoothed in thin green FINAL in fat black
	<== Smart-Smoothing improves SeaTruth regression This plot compares the sea-truth regression LEFT : NO smoothing applied RIGHT :Smart-Smoothing applied
	<<==Smart-Smoothing yields an acceptable DTM
	<<==Smart-Smoothing yields an acceptable DTM CASI data