Ann,
In PS, it's under Filters / Stylize / Find Edges.
Re: texture
It depends on the photo. If the objects of interest are reasonably
uniformly exposed, and if there is a reasonable contrast (I've working
with B&W renditions) between the object(S) and the surrounding, you can
use
Layer -> Adjustment Layer -> Threshold,
combined with Levels.
Essentially, you make the picture "binary", separating black and white,
eliminating all grey in between. (Effectively, you collapse all grey one
way or the other.)
If you still have some speckles, you can clean them up by, e.g. choosing
the black areas using the "magic wand" tool, and then Select-> Inverse
[selection].
Once all "white" and "grey" areas have been chosen, you can either "fill"
them with a white color, erase, cut, or whatever...
.. and then use a white background/layer to re-create the continuous
white.
I've done something along those lines once or twice before.
In this photo:
http://42graphy.komkon.org/swing/ch-2008/1-selected/IMGP4530_1.html
I believe, I also added "invert" under "Adjustment Layer".
I briefly saw how this feature showed up in color when I was working on
the photo I posted a day ago, but I didn't like what I saw.
Actually, the inspiration for this manipulation comes from when I am doing
sharpening in LR. When I choose the mask for sharpening (Alt + moving the
slider), LR shows a very similar view, - essentially the edges that get
sharpened.
Igor
ann sanfedele Fri, 03 Feb 2017 06:54:36 -0800 wrote:
I used the feature you used in photoshop to try to make some coloring book
pages -- actually sold one little set.. but it isn't a money maker.. The
thing is it really needs to be clear lines for coloring books... I
couldn't figure out a way to combine the feature you used with anything
else to get rid of the texture..
this technique has a name that I've forgotten so I've lost where it is in
Elements 10.... :-(
did you consider applying it but keeping the color?
ann
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