Spaxe
/ gist:d2f7002e57b2cb683562
Last active
August 29, 2015 14:05
— forked from interealtime/gist:b97ced10eb7c74c0a66f
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| Take original image A, blur it to get image B. Then: | |
| (A-B) * effectStrength + A | |
| gives you output with lots more apparent detail. | |
| It boosts contrast against surrounding pixels. A blur kernel with 1 pixel radius is equivalent to standard pixel sharpening, bigger blurs give a better effect but produce haloes around objects. You need a smarter blur that preserves edges to remove them. |