Isolate Black Line Art and Get Rid of Grays Phtoshop

Then, you lot just scanned or took a picture of your hand-drawn line art with your smartphone and, you become to color it to notice that it simply doesn't look as ready to color as the original. At times like these, it'southward best to extract your line work and convert it into something more suited for digital coloring. You tin do this by using the Convert Brightness to Opacity function in Clip Studio Paint and SAI or the Blastoff Aqueduct role in Photoshop.

Adjusting the Image Color

Using our graphics software of choice, we'll begin by opening the scanned or photo image of our analogy.

Even though the original image is black lines on white paper, the imported image ends up with either a greyness tone to it, or the lines aren't as stiff as in the original. To fix this result, we will adjust the paradigm so that the groundwork is completely white and the lines are solid and clear. The method we volition use to achieve this depends on the graphics software nosotros desire to use.

Photoshop & Clip Studio Pigment

First, we'll conform the colour using an adjustment layer (Tonal Correction layer).

● Brightness/Contrast

Employ Brightness/Contrast to brighten the overall image.

In Photoshop:

Layer menu > New Adjustment Layer > Brightness/Contrast

In Clip Studio Paint:

Layer menu > New Correction Layer > Effulgence/Contrast

From the displayed menu, apply the Brightness slider to make the paper background as white every bit possible without losing also much line art particular.

● Level Correction

Next, use Level Correction to make the lines more distinct.

In Photoshop:

Layer carte > New Adjustment Layer > Levels

In Clip Studio Paint:

Layer menu > New Correction Layer > Level Correction

From the displayed menu, operate the triangle nodes at the bottom of the graph by dragging them right or left every bit needed. This allows you to whiten the colour and shadows of the newspaper, besides as thicken and darken the line work.

In one case consummate, the adjustments volition be created in the course of an aligning layer (Tonal Correction layer). If y'all aren't quite satisfied with the results, double click the adjustment layer icon to brandish the menu again and readjust your settings.

Lastly, select the Layer card > Flatten prototype and the line art layer will merge with the adjustment layer (Tonal Correction layer).

Just in case, I recommend saving your file one time earlier merging.

Adjusting the Paradigm Color: Paint Tool SAI

For SAI, select and set up the Filter menu > Brightness/Contrast settings.

In the Brightness and Contrast dialog, arrange the Brightness slider so that the paper appears white. Make sure that thin lines practice not disappear or become too thin while adjusting. In one case satisfied, click OK.

Select the [Filter] bill of fare > [Brightness/Contrast] once again.

This time, adapt the [Dissimilarity] and [Brightness] sliders to darken the lines. Take care that lines don't become as well thick or extend past your original line piece of work.

Completing the color adjustments

Compared to the original image, we have created much nicer looking line art, dark lines on a white background.

In order to make the coloring footstep go more than hands, we will "excerpt" the line work by transforming the white background into a transparent groundwork.

Extracting Line Fine art: Clip Studio Paint & SAI

We volition turn the white transparent past using "convert brightness to opacity." Select the following commands to do this.

Clip Studio Paint:

Edit menu > Convert brightness to opacity

SAI:

Layer menu > Luminance to Transparency

With this, the line fine art has been extracted!

Note:
After using Clip Studio Paint's Catechumen brightness to opacity, a transparent checkered design will announced.
Select the Layer menu > New Layer > Newspaper to create a new paper layer over the transparent pattern.

Extracting Line Art: Photoshop

Using Alpha Channel, nosotros will turn the white transparent.

The Blastoff Channel function tin excerpt transparency, uses selections equally a mask for editing, and has a saving ability.

Note: The Blastoff Channel characteristic cannot exist used in Photoshop Elements.

● Cutting the line art

Let'due south cutting the line art from the canvas.

(1) Select the Option menu > All

(two) Select the Edit menu > Cutting

● Creating an Alpha Channel

Select the Window menu > Channels to brandish and create an Alpha Aqueduct.

(1) Click Create New Channel from the Channels console

(2) Select the created Alpha Aqueduct

(iii) Select the Edit bill of fare > Paste to paste the line art to the Alpha Channel.

● Creating a option

Let's now create a selection based on the opacity and line thickness.

(1) Select the Selection carte du jour > Load Selection

(ii) Select the Alpha Channel nosotros used earlier from Channels

(3) Check Invert and click OK

● Creating line art

Next, nosotros'll make a new layer based on the line art.

(1) Create a new layer by selecting Create a New Layer from the Layer console

(2) A canvass with the dimensions of the selected area will appear

(3) Select the Edit carte > Make full

(4) Select a color to fill from Contents

(v) Uncheck the Preserve Transparency option and click OK

With this, the line art has been extracted!

The Line Art is Now Ready!

With this finished line art, yous can add colored layers underneath the line art without erasing the lines.

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Source: https://www.clipstudio.net/how-to-draw/archives/154453

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