76 lines
3.6 KiB
Markdown
76 lines
3.6 KiB
Markdown
---
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tags:
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- note
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created_at: "2023-02-27"
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source: "KemoNine Blog"
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---
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## Sounds Cool, Is Tricky {#sounds-cool-is-tricky}
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Before getting into how to convert a photo into a coloring page, I'd like to point out a fundamental concern: this is _not_ easy and a mild PITA. It also deserves some manual cleanup to get best results. I recommend doing this only if you have time to try the process and focus on some of the subtleties while also converting a ton of photos.
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Like most forms of art, this one takes some practice to get desired results. I got disheartened early on but after running the process on tens of images I started getting a feel for what source images worked for conversion and as a more 'realistic' coloring page.
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## Example Gallery {#example-gallery}
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If you'd like to see a number of my photographs run through conversion to coloring page, I've published a number of pages at <https://www.kemonine.photography/Coloring-Pages/n-cRk9Fj>
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## CRITICAL {#critical}
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### Please note {#please-note}
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The following processes and procedures are a way to run the photo to coloring page conversion with [Krita](https://krita.org/). That said, the process should be generally the same in other image editing programs.
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## TLDR {#tldr}
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This is the cheat sheet check list I use when converting pages. I recommend skipping this section for the full procedure in the following section(s) if you are new to this process.
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1. Open image in Krita
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2. Duplicate layer (ctrl - J)
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3. Desaturate (average) (ctrl - shift - U)
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4. Duplicate (ctrl - J)
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5. Invert (ctrl - I)
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6. Color dodge for layers
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7. Gaussian blur
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8. Levels (ctrl - L)
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9. Merge layers (ctrl - E)
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## Conversion Process {#conversion-process}
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When I went digging for information I found plenty of guides for image editors and drawing apps that were _not_ Krita. The guides I found were for very common photo editing programs and apps but not for Krita. Thankfully every guide had a pretty consistent 'process' for converting photos to coloring pages.
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As I was working through the info I did manage to find one video on performing the conversion in Krita. The video is up on [YouTube here](https://www.youtube.com/watch?v=lgj0WPlwMGI) and breaks down the process. I watched it on mute so I cannot speak to the commentary but the video walk through shows what you need to do within Krita quite nicely.
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Rather than force folk, or my future self, to watch an almost 8 minute video that could be taken down, I've replicated the process the artist used as an ordered list below. The example gallery linked above used this conversion process.
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1. Open photo as new image
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2. Duplicate layer
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3. Select new layer
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4. Filter -> Adjust -> Desaturate
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- Destauration method: average
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5. Duplicate desaturated layer
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6. Select new layer
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7. Filter -> Adjust -> Invert
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8. Layers docker -> Change from 'Normal' to 'Color Dodge'
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9. Filter -> Blur -> Gaussian blur...
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- Increase both sliders until it looks reasonable as a coloring page
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10. Filter -> Adjust -> Levels
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- Adjust top slider middle arrow handle
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- Adjust bottom slider right arrow handle
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- Adjust remaining sliders, if desired, until it looks like a reasonable coloring page
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11. Group all but background layer in layers docker
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12. Duplicate group
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13. Name original group 'archives', lock, hide
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14. Merge the copied group layers together
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15. Rename the merged group to something meaningful
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16. Select group
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17. Filter -> Colors -> Color to alpha
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- Select white from color picker / sampler if not already selected
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18. Use pencil brush + eraser to cleanup image
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- Optional
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