I'm experimenting with the blur effect commonly seen bordering social media
images. I contemplated writing the code to perform a Gaussian blur which seemed
simple enough until I got to the part about edge handling. Well, sure enough Tor
Olav Kristensen has already done the hard work and made a Gaussian blur include
file for POV so I'm trying it out. As I anticipated, the level of mathematical
and algorithmic sophistication in this file is far beyond my humble abilities so
I'm unable to modify it to get the results I hoped for. Fortunately this is just
a for-fun project so I'm giving up pretty easily. However, I'm curious if anyone
has experience using this file and knows what's going on in the attached image.
The top picture shows desired results that I made with a paint program. The
middle picture shows the POV version. The green background seems to show through
around the edges. I changed all the filter and transmit values to 0 in Tor's
file but the background still shows through. The bottom picture just shows the
POV version again with a background of White * -1, which gave the best results
but still not quite what I was looking for.
Have a great day everyone!
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