sigmoid-contrast: +0.5 is for cheap rounding
sigmoid-contrast: +0.5 is for cheap rounding

UniQP/ImageMagick,kwm81/ImageMagick,UniQP/ImageMagick,kwm81/ImageMagick,UniQP/ImageMagick,Danack/ImageMagick,Danack/ImageMagick,UniQP/ImageMagick,UniQP/ImageMagick,UniQP/ImageMagick,kwm81/ImageMagick,Danack/ImageMagick,kwm81/ImageMagick,kwm81/ImageMagick,Danack/ImageMagick,Danack/ImageMagick,Danack/ImageMagick,kwm81/ImageMagick