How to use photoshop to produce lines of edge weighted, similar to lightroom masking slider

How to use photoshop to mimic the effect of Visual detection of contours, as shown in the Lightroom interface holding the key alt and pulling the "masking" slider located under the options of sharpness?

Here is an example of what I want to do:

Start with this image:


And you end up with this:

Starparty Edges 1.jpg

I was able to do this by taking a screenshot of my window of lightroom now alt and drag the slider "masking" where I wanted to, but I would like to be able to reproduce this effect in full resolution of the image and without having to use such inelegant solution. I asked my local photography group and, while a lot of people stressed the fact that it is extremely easy to use "curves" to do this, I spent hours looking for and experimenting with the curves and same dialog box never approached to reproduce the effect.


Here's a quick example:

Tags: Photoshop

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