Removing Rainbow

[x265]

I need to remove the rainbow which you can see in the screenshot. I've tried using bifrost, derainbow and LUTDeRainbow
and none of them removed the rainbow completely.

[feisty2]

well,i have the same problem too, these rainbow removal filters don't remove rainbow completely but destroy the original color too.
but Didee's dot crawl removal script works perfectly on my sources

[x265]

Could you send me a download link for the script?

[feisty2]

Originally Posted by x265

Could you send me a download link for the script?

borders = bicubicresize(width()/2,height()/2).bicubicresize(width()+8,height())
stackhorizontal(borders.crop(0,0,4,0),last,borders.crop(width()+4,0,0,0))

o=last ox=o.width() oy=o.height()

drr = o.separatefields().vinverse2().weave()
both = stackhorizontal(drr,o)
IVTC = both.tfm(pp=0,clip2=stackhorizontal(drr,drr)).tdecimate()
raw = IVTC.crop(ox,0,ox,oy)
clean1 = IVTC.crop(0,0,ox,oy)

D1 = mt_makediff(raw,clean1)
D8 = D1.bicubicresize(ox/2-72,oy).blur(1,0).bicubicresize(ox,oy,1,0)
D9 = mt_lutxy(D1,D8,"x 128 - y 128 - * 0 < 128 x 128 - abs y 128 - abs < x y ? ?")
clean1a = clean1.mt_adddiff(D9,U=2,V=2)
clean1b = clean1a.frfun7(1.01,8,1)

allD = mt_makediff(raw,clean1b).greyscale()
shrpD = mt_makediff(clean1b,clean1b.removegrain(20))
DD = shrpD.repair(allD,13,0).mt_lutxy(shrpD,"x 128 - y 128 - * 0 < 128 x 128 - abs y 128 - abs < x y ? ?")
clean1c = clean1b.mt_lutxy(clean1a,"x 3 + y < x 2 + x y < x 1 + x 3 - y > x 2 - x y > x 1 - x ? ? ? ?",U=2,V=2)
\.mt_adddiff(DD.sbr(),U=2,V=2)

raw = raw.crop(4,0,-4,0,true)
clean1c = clean1c.crop(4,0,-4,0,true)

interleave(raw,clean1c) # interleave "only-IVTC" with result of full filterchain, for frame comparison
# clean1c # just result
return(last)

#--- end of script ---#

#######################################################

#--- Helper functions below ---#

function Vinverse2(clip clp, float "sstr", int "amnt", int "uv")
{
uv = default(uv,3)
sstr = default(sstr,2.7)
amnt = default(amnt,255)
uv2 = (uv==2) ? 1 : uv
STR = string(sstr)
AMN = string(amnt)
vblur = clp.sbrV()
vblurD = mt_MakeDiff(clp,vblur,U=uv2,V=uv2)
Vshrp = mt_LutXY(vblur,vblur.mt_convolution("1","1 2 1"),expr="x x y - "+STR+" * +",U=uv2,V=uv2)
VshrpD = mt_MakeDiff(Vshrp,vblur,U=uv2,V=uv2)
VlimD = mt_LutXY(VshrpD,VblurD,expr="x 128 - y 128 - * 0 < x 128 - abs y 128 - abs < x y ? 128 - 0.25 * 128 + x 128 - abs y 128 - abs < x y ? ?",U=uv2,V=uv2)
mt_AddDiff(Vblur,VlimD,U=uv,V=uv)
(amnt>254) ? last : (amnt==0) ? clp : mt_LutXY(clp,last,expr="x "+AMN+" + y < x "+AMN+" + x "+AMN+" - y > x "+AMN+" - y ? ?",U=uv,V=uv)
return(last)
}

function sbr(clip o) {
rg11=o.removegrain(11)
rg11D=mt_makediff(o,rg11)
rg11DD=mt_makediff(rg11D,rg11D.removegrain(11)).mt_lutxy(rg11D,"x 128 - y 128 - * 0 < 128 x 128 - abs y 128 - abs < x y ? ?")
o.mt_makediff(rg11DD,U=2,V=2)
}

function sbrV(clip o) {
rg11=o.mt_convolution("1","1 2 1")
rg11D=mt_makediff(o,rg11)
rg11DD=mt_makediff(rg11D,rg11D.mt_convolution("1","1 2 1")).mt_lutxy(rg11D,"x 128 - y 128 - * 0 < 128 x 128 - abs y 128 - abs < x y ? ?")
o.mt_makediff(rg11DD,U=2,V=2)
}

[feisty2]

Repair RemoveGrain MaskTools TIVTC Frufun are needed

[x265]

There are multiple function, which one should i call? Is there a documentation for this script?

[feisty2]

Originally Posted by x265

There are multiple function, which one should i call? Is there a documentation for this script?

xxxsource


function Vinverse2(clip clp, float "sstr", int "amnt", int "uv")
{
uv = default(uv,3)
sstr = default(sstr,2.7)
amnt = default(amnt,255)
uv2 = (uv==2) ? 1 : uv
STR = string(sstr)
AMN = string(amnt)
vblur = clp.sbrV()
vblurD = mt_MakeDiff(clp,vblur,U=uv2,V=uv2)
Vshrp = mt_LutXY(vblur,vblur.mt_convolution("1","1 2 1"),expr="x x y - "+STR+" * +",U=uv2,V=uv2)
VshrpD = mt_MakeDiff(Vshrp,vblur,U=uv2,V=uv2)
VlimD = mt_LutXY(VshrpD,VblurD,expr="x 128 - y 128 - * 0 < x 128 - abs y 128 - abs < x y ? 128 - 0.25 * 128 + x 128 - abs y 128 - abs < x y ? ?",U=uv2,V=uv2)
mt_AddDiff(Vblur,VlimD,U=uv,V=uv)
(amnt>254) ? last : (amnt==0) ? clp : mt_LutXY(clp,last,expr="x "+AMN+" + y < x "+AMN+" + x "+AMN+" - y > x "+AMN+" - y ? ?",U=uv,V=uv)
return(last)
}

function sbr(clip o) {
rg11=o.removegrain(11)
rg11D=mt_makediff(o,rg11)
rg11DD=mt_makediff(rg11D,rg11D.removegrain(11)).mt_lutxy(rg11D,"x 128 - y 128 - * 0 < 128 x 128 - abs y 128 - abs < x y ? ?")
o.mt_makediff(rg11DD,U=2,V=2)
}

function sbrV(clip o) {
rg11=o.mt_convolution("1","1 2 1")
rg11D=mt_makediff(o,rg11)
rg11DD=mt_makediff(rg11D,rg11D.mt_convolution("1","1 2 1")).mt_lutxy(rg11D,"x 128 - y 128 - * 0 < 128 x 128 - abs y 128 - abs < x y ? ?")
o.mt_makediff(rg11DD,U=2,V=2)
}
borders = bicubicresize(width()/2,height()/2).bicubicresize(width()+8,height())
stackhorizontal(borders.crop(0,0,4,0),last,borders.crop(width()+4,0,0,0))

o=last ox=o.width() oy=o.height()

drr = o.separatefields().vinverse2().weave()
both = stackhorizontal(drr,o)
IVTC = both.tfm(pp=0,clip2=stackhorizontal(drr,drr)).tdecimate()
raw = IVTC.crop(ox,0,ox,oy)
clean1 = IVTC.crop(0,0,ox,oy)

D1 = mt_makediff(raw,clean1)
D8 = D1.bicubicresize(ox/2-72,oy).blur(1,0).bicubicresize(ox,oy,1,0)
D9 = mt_lutxy(D1,D8,"x 128 - y 128 - * 0 < 128 x 128 - abs y 128 - abs < x y ? ?")
clean1a = clean1.mt_adddiff(D9,U=2,V=2)
clean1b = clean1a.frfun7(1.01,8,1)

allD = mt_makediff(raw,clean1b).greyscale()
shrpD = mt_makediff(clean1b,clean1b.removegrain(20))
DD = shrpD.repair(allD,13,0).mt_lutxy(shrpD,"x 128 - y 128 - * 0 < 128 x 128 - abs y 128 - abs < x y ? ?")
clean1c = clean1b.mt_lutxy(clean1a,"x 3 + y < x 2 + x y < x 1 + x 3 - y > x 2 - x y > x 1 - x ? ? ? ?",U=2,V=2)
\.mt_adddiff(DD.sbr(),U=2,V=2)

raw = raw.crop(4,0,-4,0,true)
clean1c = clean1c.crop(4,0,-4,0,true)

interleave(raw,clean1c) # interleave "only-IVTC" with result of full filterchain, for frame comparison
# clean1c # just result
return(last)



save this avs script
create a new avs script and import the one you saved

Import ("xxx.avs")
selectevery (2,0)