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Old 3rd April 2016, 23:42   #1  |  Link
MWilson
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Automated Colorization Script (Now ChromaJig)

Edit: Updated - See Post # 157

I've written a script that I think is pretty interesting. I should clean this up, but I'm away from my normal computer and I'm very used to using AVSPMod.

Requirements are:
defreq
Masktools2

Code:
Function Cmx7Mod(clip c, Float "Sat",Bool "DownSz",Int "Pad") {    # (c) MWilson, http://forum.doom9.org/showthread.php?t=173364
    # Progressive Only : MUST be MOD 2 Width and Height, Otherwise will crop Mod 2
    Sat    = Default(Sat,0.33)                                                                    # Default 0.33, 0.0 -> 1.0
    DownSz = Default(DownSz,True)                                                                 # Default true, True=Qwiker, False Precise       
    Pad    = (Default(Pad,2)+1)/2*2                                                               # Round up next multiple of 2, Avoid green border.
    c = c.Crop(0,0,c.Width/2*2,c.Height/2*2).ConvertToYV12.GrayScale                              # Mod 2
    smallc = (DownSz) ? c.sincresize((c.Width+3)/4*2,(c.Height+3)/4*2) : c                        # At least half size, Mod 2
    Padc = (Pad>0)  ? smallc.pointresize(smallc.Width+Pad*2,smallc.Height+Pad*2,-Pad,-Pad,smallc.Width+Pad*2,smallc.Height+Pad*2) : smallc    
    r  = Padc.defreq(fy=0,fx=39,sharp=100,dx=50,dy=50,cutx=0,cuty=0).Crop(Pad,Pad,-Pad,-Pad)
    r1 = Padc.defreq(fy=0,fx=47,sharp=100,dx=50,dy=50,cutx=0,cuty=0).Crop(Pad,Pad,-Pad,-Pad)
    g  = Padc.defreq(fy=0,fx=37,sharp=100,dx=50,dy=50,cutx=0,cuty=0).Crop(Pad,Pad,-Pad,-Pad)
    g1 = Padc.defreq(fy=0,fx=85,sharp=100,dx=50,dy=50,cutx=0,cuty=0).Crop(Pad,Pad,-Pad,-Pad)   
    b  = Padc.defreq(fy=0,fx=65,sharp=100,dx=50,dy=50,cutx=0,cuty=0).Crop(Pad,Pad,-Pad,-Pad)   
    b1 = Padc.defreq(fy=0,fx=59,sharp=100,dx=50,dy=50,cutx=0,cuty=0,fx2=100,fy2=0).Crop(Pad,Pad,-Pad,-Pad)       
    x1 = merge(r,r1)
    y1 = merge(smallc.invert(),merge(g,g1))
    z1 = merge(smallc.invert(),merge(b,b1))    
    y2 = overlay(smallc,y1,mode="multiply")
    z2 = overlay(smallc,z1,mode="multiply") 
    x=mt_makediff(smallc,x1,Chroma="-128").converttorgb()                                         # Full range RGB
    y=mt_makediff(smallc,y2,Chroma="-128").converttorgb()       
    z=mt_makediff(smallc,z2,Chroma="-128").converttorgb()       
    mergergb(x,y,z).ConvertToYV12                                                                 # RGB to YV12 TV Levels    
    lanczos4resize(c.Width,c.Height)    
    mergechroma(c,ColorYUV(autowhite=true))    
    return (Sat>0.0) ? mergechroma(c,tweak(sat=7.5,interp=32),Sat) : Last 
}
Thanks to StainlessS for the mod


The latest version:
Code:
function fc1(clip v,float weight)

{# (c) MWilson, http://forum.doom9.org/showthread.php?t=173364

v=v.greyscale().converttoyv12()
af=v.defreq(fy=-.29,fx=.29,sharp=0,dx=.50,dy=.50,fy2=-.88,fx2=.88,dx2=.50,dy2=.50)
av=v.defreq(fy=-29,fx=29,sharp=0,dx=50,dy=50,fy2=-88,fx2=88,dx2=50,dy2=50)
ax=v.defreq(fy2=-88,fx2=88,sharp=0,dx2=50,dy2=50,fy=-58,fx=58,dx=0,dy=50)
a=mt_makediff(merge(af,av),v).converttorgb().converttoyv12()
m1=ytouv(av,a).converttoyv12().sincresize(width(v),height(v))
y2=ytouv(m1.invert(),av).converttoyv12().sincresize(width(v),height(v))
merge(m1,y2,.35)
converttoyv12(last)
coloryuv(autowhite=true)
tweak(sat=5,maxsat=59.5,interp=20)
merge(v.invert().converttoyv12(),last.converttoyv12())
converttorgb()
sb=showblue(last).invert()
sr=showred(last).invert()
sg=showgreen(last).invert()
mergergb(sb,sr,sg)
ConvertToYV12()
sx=last.converttorgb().invert("G").converttoyv12()
sy=last.converttoyv12()
mergechroma(sy,sx,.50).converttoyv12()
merge(last,v.invert().converttoyv12()).invert("UV").swapuv()
tweak(sat=7.5,maxsat=59.5,interp=20)
mergechroma(v.converttoyv12(),last,weight)
coloryuv(autowhite=true)
converttorgb24()

return last

}



function fc2(clip v)

{# (c) MWilson, http://forum.doom9.org/showthread.php?t=173364

v=v.greyscale().converttoyv12()
merge(v.invert().fc1(1).converttoyv12().coloryuv(cont_u=-128,cont_v=-128),v.fc1(1).converttoyv12())
converttoyv12()
tweak(sat=5,interp=32)
mergechroma(v,last.awarpsharp2(depth=48,chroma=4),.333)

return last

}



function chromajig(clip y)

{# (c) MWilson, http://forum.doom9.org/showthread.php?t=173364

y=y.greyscale().converttoyv12()
y1=y.gaussresize(72,48)
y1
fc2()
#hqdn3d(0,28,0,4.5)
gaussresize(width(y),height(y))
subtract(y.fc2(),last)
mergeluma(y)
return last
}


function cjbx(clip v)

{# (c) MWilson, http://forum.doom9.org/showthread.php?t=173364

v=v.converttoyv12().greyscale()
v1=v.spline36resize(240,240)
y=v1.converttorgb()
y.pointresize(8,8)
invert()
pointresize(16,16)
chromajig()
blur(1,1)
invert()
swapuv()
#temporalsoften(10,0,20)
spline36resize(width(y),height(y))

a=last

y.pointresize(32,32)
chromajig()
blur(1,1)
invert()
spline36resize(width(y),height(y))

b=last

y.pointresize(180,180)
chromajig()
blur(1,1)
invert()
swapuv()
spline36resize(width(y),height(y))

c=last

subtract(a,b)
subtract(last,c)
invert()
spline36resize(width(y),height(y))
mergechroma(y.converttoyv12().greyscale(),last,.75)
coloryuv(autowhite=true)
spline36resize(width(v),height(v))
blur(1,1)
mergechroma(v,last)
return last
}



function colorfox(clip y)
{# (c) MWilson, http://forum.doom9.org/showthread.php?t=173364
y=y.greyscale().converttoyv12()
y.cjbx()
a=last
c1=a.converttorgb()

r=showred(c1)
g=showgreen(c1)
b=showblue(c1)

c=merge(r,merge(g,b).invert())
m=merge(g,merge(r,b).invert())
ye=merge(b,merge(r,g).invert())

mergergb(ye,m,c)

subtract(last,c1)
converttoyv12()
invert("UV")
subtract(a,last)
swapuv()
}


function colorjig(clip v, float "Weight")
{# (c) MWilson, http://forum.doom9.org/showthread.php?t=173364
Weight= Default(Weight,1)
v=v.greyscale().converttoyv12()
b=v.greyscale().colorfox().tweak(hue=90).invert("UV").coloryuv(autowhite=true).invert("V").converttoyv12()

merge(b,b.chromajig())
coloryuv(autowhite=true)
mergechroma(v,last,Weight)
}

function cfcf2(clip y)
{
y=y.greyscale().converttoyv12().invert().turnleft()
a=y.cjbx().utoy()
b=y.invert().TurnLeft().cjbx().TurnRight().invert().utoy()
ytouv(a,b,y)
mergechroma(y,last,.45)
converttoyv12()
c=last
subtract(c,y.cjbx())
invert("UV")
medianblur(0,10,10)
mergechroma(c,last,.33)
turnright()
invert("Y")
return last
}


Using the latest script, will update this post later.


Edit: Updated to the latest version. A note: this is for colorization, don't expect miracles! Sorry if I was misleading in the beginning of this thread, it wasn't on purpose. I was confused as well!

Edit: Sorry folks, as davidhorman pointed out this needs to have a call to greyscale! Code updated.

Edit: Code Updated - See Posts #34 & #35

Edit: Updated - See Post #37

Edit: Updated - See Posts #66 & #69

Edit: Updated 4/18/16

Edit: Minor Changes

Last edited by MWilson; 1st November 2017 at 15:01. Reason: Update
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Old 4th April 2016, 00:32   #2  |  Link
StainlessS
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I'm not gonna pretend that I know how it does it, but it is rather intriguing.
I provided it with a grayscale StarWars (not necessary as it GrayScales it anyway), and I got out a golden C-3PO.
Just like magic

EDIT: This is quite amazing, I tried with Jurassic Park and did a StackVertical of original and result, and
the colors and color patterns on peoples shirts etc were 'sort of' the same, green trees etc.
I say again, "Just like Magic".
Would you care to elaborate upon how it does this (some kind of residual color stored in luma ?).
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"Some infinities are bigger than other infinities", but are any of them infinitely bigger ???

Last edited by StainlessS; 4th April 2016 at 01:11.
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Old 4th April 2016, 01:22   #3  |  Link
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EDIT: The first two examples are misleading, I did not GrayScale beforehand and bug in script merged with original colored version.
The 3rd example was already Gray and so does not suffer from this problem.

Here we go, get a load of this (original on top, recolored GrayScale on bottom)


Not entirely successfull but "Worth waiting for". (from VCD B&W movie)


EDIT: Misleading images removed.
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"Some infinities are bigger than other infinities", but are any of them infinitely bigger ???

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Old 4th April 2016, 03:05   #4  |  Link
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Trying to understand this script reminds me of reading through some of Didée's genius code: I know it works, but I'll be darned if I can figure out how.

This one is beyond my pay grade.
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Old 4th April 2016, 03:11   #5  |  Link
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Sure! It's all dependent on the greyscale. The photographs are records of light. The light contains all the information for color, but splitting it into chunks is/was mainly trial and error. My HDD can attest to that!

Edit: johnmeyer, I wish....

Last edited by MWilson; 4th April 2016 at 03:12. Reason: New post above
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Old 4th April 2016, 03:12   #6  |  Link
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Interesting indeed!

linked images:

Original (1080p bluray)


cmfull


cmfullshift


Greyscale().cmfullshift


spline36resize(854,480).cmfullshift
for the good ol' SD look.


There were some other TV-appearance functions I played with before... combining them all, I could make a nostalgic conversion.
Make it look like a sdtv rip or something. Just need to make up a logo.

EDIT: I used RGtools instead of RemoveGrain v1.0b.
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Old 4th April 2016, 03:19   #7  |  Link
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How on earth does the script know that the beer crate in back RHS of first image is blue ?
(pretty much everything on the main table is very near original color).

Searching Google on Automatic Colorization bring up quite a bit on using Neural Networks and teaching
software what color something 'could be', but this is entirely different.

A very big welcome to the forum MWilson, England Expects great things of you
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"Some infinities are bigger than other infinities", but are any of them infinitely bigger ???
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Old 4th April 2016, 03:34   #8  |  Link
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Thanks StainlessS! I'll try not to let England down!
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Old 4th April 2016, 04:02   #9  |  Link
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Are you 'Doc W Mastering' ?

From YouTube: "Doctor Who Automatically Colorized Using Avisynth"
Quote:
I hope you enjoy the video! No audio, as you can tell. I've been working on this for four years, and what you are seeing is the raw untouched output from the original greyscale video. Feedback is not only welcome but encouraged!
P.S. I am not affiliat
Here:- https://www.youtube.com/watch?v=idpNPicSzxU

I am not able to view above, just keep getting errors from YouTube (not just for this clip).

Google search which discovered above:- https://www.google.co.uk/?gfe_rd=cr&...ization+dr+who

EDIT: I thought I remembered something about recovering color from B&W Dr Who, some time ago. (think mentioned in a thread somewhere)

EDIT: Another one here:- https://www.youtube.com/watch?v=qvx69sJInP8
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"Some infinities are bigger than other infinities", but are any of them infinitely bigger ???

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Old 4th April 2016, 04:07   #10  |  Link
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Yep. I also tweet as analogmoe.

Edit: Check the comments on the first link...

Last edited by MWilson; 4th April 2016 at 04:10.
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Old 4th April 2016, 04:29   #11  |  Link
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Yep, saw the comment, also managed to Download the clip even if I cant view on-line.
Wondering if bbc has managed to recover that one.

Great job, well done.
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Old 4th April 2016, 04:59   #12  |  Link
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It seems to favour Gold, (although the Daleks come out a little bit pinkish).
Even catches the gold rim on top of the Carlsberg glass in B&W movie clip.
I'm wondering how Shirley Eaton would turn out if turned to B&W (her big scene).

Could not resist, here she is


EDIT: I can see the BBC taking this up.

EDIT: Actually I dont think there is an identical color version of that frame, looks to have been done several
times where a little bit different setting.
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"Some infinities are bigger than other infinities", but are any of them infinitely bigger ???

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Old 4th April 2016, 05:33   #13  |  Link
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Wow, I just saw that movie on BBC America. How the heck can it know that her skin is gold and not flesh-colored??

This is FM (the M stands for magic; you can insert your own word for the F).
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Old 4th April 2016, 05:47   #14  |  Link
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StainlessS,

I won't be able to get to my editing computer until tomorrow. When you tested this code, were the colors in the resulting video fairly stable from frame-to-frame, or did they pulse, flicker, or change as the video played?

[edit] Never mind. I forgot to look at his Dr. Who video. That answers my question.

Last edited by johnmeyer; 4th April 2016 at 05:49. Reason: added a "never mind" at the end
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Old 4th April 2016, 06:44   #15  |  Link
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I'm just curious how this thing works,
Say Luma=c1*R+c2*G+c3*B while Luma, c1, c2 and c3 are constants, and R, G, B are the unknowns
You simply cannot get a constant solution of RGB from the indeterminate equation above..
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Old 4th April 2016, 07:18   #16  |  Link
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It's not perfect, but as far as completely automated colorization, I think it works well.

Here's a quick test:

Code:
c=Blankclip().converttorgb().invert()## Quick white....
r=c.rgbadjust(b=0,g=0)
g=c.rgbadjust(r=0,b=0)
b=c.rgbadjust(g=0,r=0)

original=stackhorizontal(r,g,b).sincresize(256,256)
filter=original.greyscale().cmfullshift()
stackvertical(original.converttoyv12(),filter)
Bring the saturation up. Red and Blue look fairly close, green will show up orange-yellow.
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Old 4th April 2016, 11:44   #17  |  Link
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Quote:
Originally Posted by StainlessS View Post
How on earth does the script know that the beer crate in back RHS of first image is blue ?
(pretty much everything on the main table is very near original color).
Hang on a minute...

StainlessS, did you pass the full colour version to cmfullshift?

Code:
function cmfullshift (clip v)
{

v=v.converttoyv12() # input clip - full colour?

cmfull(v)
u=last.utoy()
v2=last.vtoy()
ytouv(u,v2,v)
tweak(sat=3.5,interp=32)
coloryuv(autowhite=true)
u3=repair(v.lanczosresize(width(v)/2,height(v)/2),u)
v3=repair(v.lanczosresize(width(v)/2,height(v)/2),v2)
ytouv(u3,v3,v)
tweak(sat=7.5,interp=32)

mergechroma(v,last,.33) # 2/3 of original chroma is restored

coloryuv(autowhite=true)
return last
}
v (the input clip) never gets reassigned, so that last bolded line is just putting back 2/3 of the original chroma.
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Old 4th April 2016, 12:20   #18  |  Link
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^^^^^^^^
He's right
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Old 4th April 2016, 12:38   #19  |  Link
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Quote:
Originally Posted by MWilson View Post
^^^^^^^^
He's right
This would've made an awesome April Fool, though.
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Old 4th April 2016, 12:41   #20  |  Link
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Example: Left is untouched, Middle is cmfullshift with a greyscale call first, Right is without the greyscale call.

https://drive.google.com/open?id=0B7...VN1OFpURHhJOU0

https://drive.google.com/file/d/0B72PmD8lKDzSOXRXOG1PaTYtOUE/view?usp=sharing
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