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August 29, 2015 14:00
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Sigma for unsharp calculated by formula [screen ppi]/150 and for screen 1366x768 15.6" (100.45 ppi) it's equal to 0.669
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| for %%f in (*.png *.jpg) do convert "%%f" ^ | |
| -filter Lanczos -resize "1366x768^" ^ | |
| -unsharp 0x0.669+0.4+0.008 ^ | |
| -gravity center -extent 1366x768 ^ | |
| -set filename:f "%%t_%%wx%%h.png" "png:%%[filename:f]" | |
| rem or use this cmdline: | |
| rem for %f in (*.png *.jpg) do convert "%f" -filter Lanczos -resize "1366x768^" -unsharp 0x0.669+0.4+0.008 -gravity center -extent 1366x768 -set filename:f "%t_%wx%h.png" "png:%[filename:f]" |
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