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| $ magick front.jpg -fuzz 2% -fill none -draw "matte 0,0 floodfill" -channel alpha -blur 0x2 -level 50x100% +channel front.png | |
| magick: non-conforming drawing primitive definition `0' @ error/draw.c/RenderMVGContent/4406. | |
| $ magick --version | |
| Version: ImageMagick 7.0.8-68 Q16 x86_64 2019-10-07 https://imagemagick.org | |
| Copyright: © 1999-2019 ImageMagick Studio LLC | |
| License: https://imagemagick.org/script/license.php | |
| Features: Cipher DPC HDRI Modules OpenMP(3.1) | |
| Delegates (built-in): bzlib freetype heic jng jp2 jpeg lcms ltdl lzma openexr png tiff webp xml zlib | |
| //The following works, but the edges are really bad (floating white pixels around border): | |
| $ convert front.jpg -fuzz 2% -fill none -channel alpha -blur 0x2 -level 50x100% +channel -transparent "#ffffff" out.png |
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try:
magick img.png -fuzz 2% -fill none -draw "alpha 0,0 floodfill" -channel alpha -blur 0x2 -level 50x100% +channel result.pngThere are a few differences between IM 6 and IM 7.
If the edges are still jagged, then you may need to increase the fuzz value or increase the blur. Perhaps post your image and I take a look.