These are recent images I converted to vectors with this command: for i in *.jpg; do convert "$i" "`basename "$i" .jpg`.png" && autotrace -despeckle-level 15 -color-count 6 -input-format PNG -output-file "`basename "$i" .jpg`".svg -output-format svg "`basename "$i" .jpg`.png"; done ### Try it! 藝術 掃描 向量化 華盛頓 DC 地鐵站