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Start by opening your coloured photo in PI.
Duplicate your image twice by clicking on Ctrl+D two times and
then close the original photograph. The reason for this is so
that you don't mistakenly save changes to a photo that you'd rather
keep in it's original condition.
Miminize one of the duplicates, we'll need that one later.
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Working with the photograph you still have open in your workspace,
click on Format/Hue & Saturation and move the saturation slider
down to -100. This will cause your photograph to become a monochrome
one.
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Right click and select Copy then right click again and select
Paste.
Right click for a third time but this time select Properties.
Change the merge type to Addition - You should now have a plain
white image but the next step will change that.
Click on Effect/Blur & Sharpen/Gaussian Blur. Click on the
Options button and select to blur by a variance of 20.
Click on OK
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Right click and select to Merge All.
Your image will have a hazy look about it which isn't quite appropriate
for our needs and still looks nothing like a sketch of any type,
but we'll fix that...
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Click on Effect/Blur & Sharpen/Emphasize Edges. Click on
the Options button and select to sharpen by 3.
Click on OK
Looking a little better but still it's still not quite right,
so we'll have to work on this image a little more.
Click on Effect/Blur & Sharpen/Sharpen. Click on the Options
button and select to sharpen by 3.
This amount of sharpening should be ok for most images, but you
can always right click and select to undo and try again with a
different sharpening setting if you're not happy with how things
are going.
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Your image should now have the look of a pencil sketch.
Using the Classic Car image, I'm quite happy with the results
I have now, so I'll move on to the next step which will be to
give it a little bit of colour.
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Click on Format/Colour Balance. The colours you see on each of
the thumbnail images won't look very different from each other,
but click on a few to see how it affects your sketched image.
When you're happy with the change in colour, click on OK. You
can see from the image on the left here, that I chose a blue hue,
but you may have chosen something totally different...Whatever
takes your fancy really.
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We will now work on the duplicate of the original photograph....The
coloured one you minimized earlier.
Click on the Lasso Tool. In the attributes bar ensure
that the snap to edges is unchecked and that the Sensitivity is
1. Change the Soft Edge to either 1 or 2.
You are now ready to slowly click around the object you wish
to turn into an object. Take great care doing this part and when
you get back to the starting point double click on the start square
so that the lasso line turns into aqua-coloured selection lines.
Right Click and select Convert to Object.
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Using the Pick Tool, drag your object off the photograph and onto
your sketched image. Carefully place it into position. You should
be able to see exactly where it goes.
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I'm not too keen on the colour red so I've elected to change
the colour of the car to a more favourable colour and one that
will go with the colouring of my sketched area. Follow along with
me to change the colour a bit in your image too. Please note,
if you've used a different starting photo, the colour changes
we're going to make now may not be to your liking or suit the
type of object you have selected.
Click on Format/Hue & Saturation.
The settings I used to change all the red areas in the Classic
Car to blue are:
Method = Master
Hue = -111
Saturation = -48
Lightness = 0
If you're using the Classic Car image and would like a different
colour to the one I've chosen, then have a play with the Hue and
the Saturation sliders to find a more suitable one.
Once you're happy with the new colour, click on OK.
Press the spacebar on your keyboard to deselect your object.
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Right click to select Merge All.
Right click to select Copy.
Right click to select Paste.
Right click to select Properties and then change the merge to
either Soft Light or Multiply. Those merges work best, but you
may prefer something like Overlay which is exactly what I used
in the image on the left here. Experiment to see which you prefer.
Right click to select Merge All and then admire your masterpiece!
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