Use the unsharpMaskImage method for sharpening, and introduce gain and threshold params
Use the unsharpMaskImage method for sharpening, and introduce gain and threshold params

rexxars/imbo,kbrabrand/imbo,matslindh/imbo,imbo/imbo,christeredvartsen/imbo,androa/imbo,christeredvartsen/imbo,TV2/imbo,androa/imbo,imbo/imbo,christeredvartsen/imbo,TV2/imbo,kbrabrand/imbo,rexxars/imbo,matslindh/imbo