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circlesun

by Gordon Cooper

 

07 Mar 2003 (Updated 01 Jun 2004)

Enhancement of circular features in raster images.

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Description

The program places a light source that radiates outwards in all directions on a user-specified point in a raster dataset to highlight circular features of any radii centred there. It also highlights linear features of any orientation that pass through the chosen point.

See ;

Cooper, G.R.J., 2003. Feature Detection using Sunshading.
Computers and Geosciences v.29 no.8 p.941-948.

for more details, or e-mail me for the paper in pdf format.

MATLAB release MATLAB 6.5 (R13)
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Updates
22 Oct 2003

references added.

01 Jun 2004

screenshot changed.

Tag Activity for this File
Tag Applied By Date/Time
enhancement Gordon Cooper 22 Oct 2008 06:57:41
sunshading Gordon Cooper 22 Oct 2008 06:57:41
circular feature detection Gordon Cooper 22 Oct 2008 06:57:41

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