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Tutorial: Cleaning sketches by Celsa Tutorial: Cleaning sketches by Celsa
This tutorial covers how to clean sketches in Photoshop. Different programs should have equivalent controls, I suppose, but I don't know them :/
Also, since I have the spanish version, I'm not 100% sure of the english name. But it should be something similar. Sorry =_=



Part 1


:bulletyellow:1.1 First, open up the sketch you want to clean.

:bulletyellow:1.2 Then, open the Levels controls (Image > Adjusts > Levels). Adjust the contrast with the controls to make the white as white as possible, and the black lines as black as possible without ruining the picture.
After doing this, you should have a cleaned sketch scan. But if you 're gonna paint it or want to clean it further for wathever reasons, it'll take a few more steps.

:bulletyellow:1.3 Open up the Channel Mixer (Image > Adjusts > Channel Mixer). In the drop-down menu choose a color channel; red is fine, since it's stands out more from the black of the pencil (you'll understans that later)
On the bottom of the controls, where it says 'Constant' (or something like that), take the mark to the extreme of the bar. This will turn your pic to color without black traces.

:bulletyellow:1.4 If you still want to change the color to something lighter, so it'll be easier to clean later, open up the Hue/Saturation controls (Image > Adjusts > Hue/Saturation) Check the 'Color' box, and play with the controls until you find the color you want (a light, warm one is best. But don't make it too light, or it'll be hard to see)

:bulletyellow:1.5 Now you should print that, and 'trace' over the colored sketch with a regular pencil.
If what you're aiming for is a lineart to color, just mark the outline. If you want to make a pencil drawing, you can fill blacks, etc...

:bulletyellow:1.6 Once you finish, scan the picture again, and save. Now go to part 2



Part 2


:bulletyellow:2.1 Open up the sketch in Photoshop. You see the 'clean' pencil, but there's still the colored sketch there. We're gonna get rid of that in a moment.

:bulletyellow:2.2 Open the Hue/Saturation controls (Image > Adjusts > Hue/Saturations)

:bulletyellow:2.3 There you should see a drop-down menu on top, with several colors; you just have to select the ones that match the color of the sketch, and take the 'lighting' bar to the max.
In my case, my sketch it's orange, so I'll have to do this for both 'yellows' and 'reds'

:bulletyellow:2.4 Now, when you're finished, turn the picture to grayscale (Image > Mode > Gray Scale) You don't have to, but it's best so the picture is black/white only.
Now open the levels controls (Image > Adjusts > Levels) And adjust the contrast to get rid of the remains of the sketch and any dust there. Make sure you don't ruin or delete part of the drawing when doing this.
And that's it. You should have your picture clean.



:bulletred:Tutorial and art is © *Celsa
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:iconnanilam:
NaniLam Featured By Owner Oct 4, 2013  Student General Artist
nice!! :clap:

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:iconnejiholic:
nejiHolic Featured By Owner Mar 30, 2012  Hobbyist General Artist
this is really helpful.
Reply
:iconyukitzakuroi:
YukitzaKuroi Featured By Owner Oct 18, 2011  Hobbyist General Artist
Qué util!! Este método me ahorrará trabajo al limpiar!
Gracias por el tuto! ^^
Reply
:iconcelsa:
Celsa Featured By Owner Oct 29, 2011
Me alegro que te sea útil ^o^
Reply
:iconhi-mizu:
hi-mizu Featured By Owner Jun 8, 2011
This was helpful thanks!
Reply
:iconshu-ming:
shu-ming Featured By Owner Jun 3, 2011  Hobbyist Traditional Artist
Cool! This tutorial will definitely help me. Thank you~ :)
Reply
:iconwants2draw:
wants2draw Featured By Owner Apr 23, 2011  Student Digital Artist
YAY THANKS FOR THIS!
Reply
:iconmaylin86:
maylin86 Featured By Owner Jan 8, 2011  Hobbyist General Artist
Yay! Thanks for sharing. Now maybe my pencil sketches will look nicer when I scan them in. :la:
Reply
:iconhada-magica4:
hada-magica4 Featured By Owner Nov 8, 2010  Hobbyist Traditional Artist
gracias por el tutorial!!!
Reply
:icondrifloony:
Drifloony Featured By Owner Oct 19, 2010
very useful.
Reply
:iconearlyapplesmagee:
EarlyApplesMagee Featured By Owner Aug 20, 2010  Student General Artist
So have you uploaded two sketches? One lines and the other shade?
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:iconkawaiioza:
Kawaiioza Featured By Owner Jul 13, 2010  Hobbyist General Artist
oh it's great! :la:
Reply
:iconmuffin38love:
muffin38love Featured By Owner Jun 11, 2010  Hobbyist Artist
y... hablas españool O_O oh por dios! no conosco casi a nadie q sepa en deviant xD
Reply
:iconmuffin38love:
muffin38love Featured By Owner Jun 11, 2010  Hobbyist Artist
Gracias, me sera de gran ayuda ^^
Reply
:iconerangot:
Erangot Featured By Owner Jun 9, 2010  Hobbyist Digital Artist
AMG OF ALL TUTORIALS I'VE RUN INTO, I SEE ALBEEEEERRRRT. <3333333

fffff Great great tutorial! ;O; I've learned how to use the Chanel Mixers and Levels Controls this way. XDD Thanks so much!
Reply
:iconenbie91:
enbie91 Featured By Owner May 11, 2010  Hobbyist General Artist
Thank you muchly for posting this it shall help me muchly!!!! :glomp:
Reply
:iconquintos-soulsteal:
quintos-soulsteal Featured By Owner May 8, 2010  Hobbyist Traditional Artist
nice explanation
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:iconcelsa:
Celsa Featured By Owner May 8, 2010
:nod:
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:iconquintos-soulsteal:
quintos-soulsteal Featured By Owner May 8, 2010  Hobbyist Traditional Artist
LOL
Reply
:iconjenzay:
Jenzay Featured By Owner May 7, 2010
Ooh, thank you for this! I never used the levels functions, now I see how useful it can be.
Reply
:iconcelsa:
Celsa Featured By Owner May 8, 2010
Really? I use it very often XDD How did you fix contrast before?
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:iconjenzay:
Jenzay Featured By Owner May 9, 2010
Before that I just used contrast/brightnes =o=
Reply
:iconspirit-of-dreams101:
Spirit-Of-Dreams101 Featured By Owner May 7, 2010  Hobbyist Digital Artist
Woohoo! XD Thanks for posting this little puppy up!
Reply
:iconclauthor:
Clauthor Featured By Owner May 3, 2010
Para quitar el rojo/naranja del boceto, un truco que me enseñaron es utilizar la opción "dividir canales" en la paleta de canales, y quedare con el canal rojo. Da bastante buen resultado.
Reply
:icontsukianimegirl:
TsukiAnimeGirl Featured By Owner Apr 28, 2010  Student General Artist
HUH?!??!?! Você fala português?? como não percebi isso antes!!
Reply
:iconcelsa:
Celsa Featured By Owner Apr 28, 2010
Umm... No. I speak spanish, actually XD
Reply
:icontsukianimegirl:
TsukiAnimeGirl Featured By Owner Apr 28, 2010  Student General Artist
nyaa...
it's soooo similar to portuguese....
Reply
:iconcelsa:
Celsa Featured By Owner Apr 28, 2010
XD Yeah, I know. I guessed you mixed them up XDD
No worries though! XD
Reply
:icontsukianimegirl:
TsukiAnimeGirl Featured By Owner Apr 28, 2010  Student General Artist
okay... =P
Reply
:iconandungen:
andungen Featured By Owner Apr 28, 2010
Ooh very nice! Thank you for this :D
...Damn you're talented...! :heart:
Reply
:iconlessaen:
Lessaen Featured By Owner Apr 27, 2010  Hobbyist General Artist
this is so helpfull! Thank you you so much!
Reply
:iconalejandro4lg:
Alejandro4LG Featured By Owner Apr 26, 2010
What about sketches made in the computer program? I have done it in different colours and i can't be bothered to clean lineart it all in black. can i do this but still get smooth lines?

Alejandro
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:icontosekun:
tosekun Featured By Owner Apr 26, 2010
nice :) your drawin like that is your talent or you learn it from other?? haha.. ( im jealouz) :)
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:iconmiocchi:
miocchi Featured By Owner Apr 24, 2010  Student Artist
thankies for the tuto! *A* it rly helps me!

and nice picture~ <3333
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:iconemuchu:
Emuchu Featured By Owner Apr 24, 2010  Hobbyist Traditional Artist
Ooh. I was using colored pencils to do my sketches beforehand, and then fazing them out with PS afterward, but I think I may try this.
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:iconcelsa:
Celsa Featured By Owner Apr 24, 2010
I did that too before. But the colored pencils are kinda more greasy, and the drawing is not as comfortable as with regular pencil (for me at least) And viasually the pencil make a nicer effect on sketches, specially if you add some simple shading, etc... That's why I choose this method over the other in the end.
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:iconemuchu:
Emuchu Featured By Owner Apr 25, 2010  Hobbyist Traditional Artist
I see, I see. I just wish I didn't have to hijack my mom's computer every time I want to scan or print something.
Reply
:iconzekeaxel:
ZekeAxel Featured By Owner Apr 24, 2010
Thank you for the knowledge.
Reply
:iconmeeche-max:
Meeche-Max Featured By Owner Apr 24, 2010  Hobbyist Digital Artist
very nice tutorial
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:iconcrixyo:
Crixyo Featured By Owner Apr 24, 2010
awesome tutorial! but would there happen to be a way to be rid of the grainy pencil texture as well?
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:iconcelsa:
Celsa Featured By Owner Apr 24, 2010
Not that I know. Still, scanning at a high-res, the resizing can work a bit.
If it's for a lineart, I did print the pic in two parts, which allowed me to add more detail, less thick line, and the grainy effect wasn't as obvious.

The other option is to use an ink pen instead of a pencil with this method, but the paper texture is gonna be there always.
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:iconcrixyo:
Crixyo Featured By Owner Apr 25, 2010
ah well XD;
9999 dpi here i come! *crashes*
Reply
:iconcelsa:
Celsa Featured By Owner Apr 25, 2010
XD No need to! I scan sketches at 600dpi. If it's color scans, 1200. But I always resize later to 5000px max.
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:iconcrixyo:
Crixyo Featured By Owner Apr 26, 2010
XDD alrighty! shall give it a shot for the next line art i do! 8D thanks for the help! (:
Reply
:icondrakadark:
DrakaDark Featured By Owner Apr 24, 2010  Hobbyist General Artist
this helps!!!
Reply
:iconhotame:
hotame Featured By Owner Apr 24, 2010
thank you very much :heart:
I always fail at cleaning sketches , that gonna be helpful :love:
Reply
:iconhifik:
hifik Featured By Owner Apr 24, 2010  Hobbyist
Wow! Very helpful. Thx^^
Reply
:iconlillumsama:
LillumSama Featured By Owner Apr 23, 2010  Student Digital Artist
TUTORIAL!!! :la:
*si... tengo que ponerme al corriente con miles de cosas... pero no resistia comentar el tutorial*
Muy weno mujer, es sorprendente como aprendo más con tutoriales de acá que en la uni O.O
Anyway... yo voto pq hagas uno de como colorear :iconimhappyplz: creo que aparte de tus legolas fue lo que me hizo watchearte en primer lugar :lmao:
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:iconcelsa:
Celsa Featured By Owner May 7, 2010
XD Estoy en ello! Cogí screenshots del dibujo de Dino sin camisa según lo iba haciendo. En cuanto tenga tiempo, lo ordeno y lo escribo :D
Reply
:iconlillumsama:
LillumSama Featured By Owner Jun 5, 2010  Student Digital Artist
Si haces eso me cae que te hago un altar o-ó
O mejor aún... un fanclub :la:
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