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Old 04-13-2008   #1
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Default Convert Photo to Line Drawing

Is there a simple quick and easy way to convert a photo into a simple line drawing? Iím using CS3.

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Old 04-13-2008   #2
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Default Re: Convert Photo to Line Drawing

Quick and easy depends on the image....ones with lots of "lines" (edges), especially in the background make it hard to do, so more cleanup is required.

1. Open Image
2. Duplicate the layer
3. Filter-Other-High Pass, and choose a pretty small radius, like 1 or less. You want to see lines, with no white halos.
4. Filter-Sketch-Note Paper, and play with the settings. Usually the graininess and relief might need to be zero, but image balance is adjustable.
5. Probably won't be black and white, so use a Threshold adjustment layer to make it so.
6. Clean it up with an Eraser, or a white/black Paint Brush tool or Pencil tool.
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Old 04-13-2008   #3
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Default Re: Convert Photo to Line Drawing

Thank you. That worked pretty slick. Close to what Iím looking for. Iíll have to do a closer crop with different processing, but I did this quick and dirty using your instructions in about 3 minutes.
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Old 04-15-2008   #4
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Default Re: Convert Photo to Line Drawing

Simplest way I know of is Filter>Stylize>Find Edges.
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Old 04-15-2008   #5
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Default Re: Convert Photo to Line Drawing

Quote:
Originally Posted by michaelhcothran View Post
Simplest way I know of is Filter>Stylize>Find Edges.
You can't use that alone. You can do this...

1. Open image
2. Select all (Ctrl-A) and copy (Ctrl-C)
3. Goto Channels palette
4. Add New Channel
5. Edit-Past
6. Filter-Stylize-Find Edges

All your edges will be shown in black. You still probably have to clean it up with an eraser or paint over them, etc. You can place an Image-Adjustments-Levels on this Channel and adjust the white slider to help filter out some extraneous stuff, o ruse the middle one to do the same, or the black one to enhance the B&W effect.

BTW, usually, folks use this find edges filter to help them when doing sharpening
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Old 04-17-2008   #6
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Default Re: Convert Photo to Line Drawing

Quote:
Originally Posted by michaelhcothran View Post
Simplest way I know of is Filter>Stylize>Find Edges.
Thank you. I thought Iíd replied to your post already. I tried that, and it is another method, but I have to select the person to get rid of the background. The method Mr. Pickles gave me in his first post seemed to deal with the background on itís own, which is something I didnít expect. I figured Iíd have to deal with the background with another layer.

Quote:
Originally Posted by Mr. Pickles View Post
You can't use that alone. You can do this...

1. Open image
2. Select all (Ctrl-A) and copy (Ctrl-C)
3. Goto Channels palette
4. Add New Channel
5. Edit-Past
6. Filter-Stylize-Find Edges

All your edges will be shown in black. You still probably have to clean it up with an eraser or paint over them, etc. You can place an Image-Adjustments-Levels on this Channel and adjust the white slider to help filter out some extraneous stuff, o ruse the middle one to do the same, or the black one to enhance the B&W effect.

BTW, usually, folks use this find edges filter to help them when doing sharpening
Thank you for that. It adds a little refinement to the simple Filter> Stylize> Find Edges method. Still leaves a messy background, but I expected that. I will just need to select the person, and remove the background. This method gives a little more detail in the face. Iíll have to reprocess the image from scratch with this in mind, and will post back when I have the opportunity to play with it.
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Old 04-17-2008   #7
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Default Re: Convert Photo to Line Drawing

Typically, in Photoshop, there is more than one way to do whatever you may want done...and sometimes none of them work as a one click solution. One some images, the first method works better, and on others the last one does. Same with doing selections. Nature of the beast.
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Old 04-18-2008   #8
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Default Re: Convert Photo to Line Drawing

Both methods work. The Find Edges is also useful if you want to sharpen edges. Nice one Pickles.


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