CM

function cm(clip v, float "Weight", int "CBlur",Bool "TS", int "TR", int "TT", Bool "UpSz", Bool "ALevel")
   {# (c) MWilson, http://forum.doom9.org/showthread.php?t=173364
   ###Source Must Be Progressive
     UpSz= Default (UpSz,False)
     ALevel=Default (ALevel,False)
     CBlur=Default (CBlur,18) ### Very dependent on source
     Weight=Default (Weight,.75)
     TS=Default (TS,True)
     TT=Default (TT,30)
     TR=Default (TR,10)
     v=v.converttoyv12().greyscale()
     c=(ALevel==True) ? v.autolevels(12) : v
     cpad=(UpSz==True) ? c.sincresize(c.Width*2,c.Height*2) : c

     g=cpad.F2Quiver(1,3,96,250,0,frad=16)
     b=cpad.F2Quiver(1,3,110,250,0,frad=16)
     r=cpad.F2Quiver(1,3,76,250,0,frad=16)
     mergergb(r,g,b)
     autolevels(12,autogamma=true)
     converttoyv12()
     coloryuv(autowhite=true)
     tweak(sat=10,interp=32)
     tweak(sat=10,interp=32)
     converttorgb()
     invert("G")
     mergergb(showgreen,showred,showblue)
     converttoyv12()
     tweak(hue=90)
     medianblur(0,CBlur,CBlur)
     bilinearresize(width(cpad),height(cpad))
     coloryuv(autowhite=true)
     (TS==True) ? temporalsoften(last,TR,0,TT) : last
     mergechroma(cpad,last,Weight)
     }