Opened 3 years ago

#2598 new enhancement

[raster] ST_Blur

Reported by: nclay Owned by: dustymugs
Priority: medium Milestone: PostGIS Future
Component: raster Version: trunk
Keywords: Cc:

Description

Returns a modified raster that has been blurred with a Gaussian convolution filter.

ST_Blur(raster img, int radius, double sigma)

Easy to follow example: http://www.swageroo.com/wordpress/how-to-program-a-gaussian-blur-without-using-3rd-party-libraries/

also,

https://en.wikipedia.org/wiki/Gaussian_blur

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