y4munsharp(1) MJPEG tools manual y4munsharp(1) (NAME) y4munsharp - (Unsharp) YUV4MPEG2 (SYNOPSIS) y4munsharp [] (DESCRIPTION) y4munsharp (Unsharp Mask) GIMP YUV4MPEG2 . ( ) . (Luma / Y') (Chroma / CbCr) . (pipe) (stdout) . (OPTIONS) y4munsharp : -v num ( = = = ) (: ). -h . -L radius,amount,threshold (Luma / Y'). radius () amount () threshold () (: 3.0,0.3,4). -C radius,amount,threshold (Chroma / CbCr). . -L (: ). -N Y' CbCr . . -N . (EXAMPLES) : y4munsharp -L 2.0,0.3,0 : y4munsharp -L 5.0,0.5,0 (NOTES) unsharp GIMP . GIMP y4munsharp . . . : ) ) ) (artifacting). -C . (BUGS) YUV4MPEG2 . progressive (top field first) (bottom field first) . . MJPEG Tools Team 11 November 2004 y4munsharp(1)