How to dehaze pictures with dcp dehaze filter

Software G'MIC
1

Hi everyone,

Since G’mic 1.7.5 there is a new promising filter to dehaze pictures, that is “Dcp dehaze” (available into the Details group):
http://gimpchat.com/viewtopic.php?f=28&t=14425&sid=25bb74b9a68a39ae56caff27c85166d4

I have tried hard to improve one of my pictures to no avail.
My results are very bad: Mostly, I suppose, because I don’t know how to properly modify the settings of the filter… :frowning:

Here is how my image looks;

3264×2448 175 KB

Here you can download the original jpeg (in case you want to experiment yourself:

3264×2448 725 KB

Many thanks in advance for any suggestion about this filter ! :slight_smile:

2

Ciao @Silvio_Grosso

No, I am most certainly not an expert on the Dcp dehaze filter in G’MIC,
but I have achieved the best results so far just by using the Gamma
slider.

Cordialement,
Claes

3

I made a few passes varying the scale and the strength slightly, and layered them up in Gimp. I had gamma at 35.

2611×1958 1.16 MB

4

Ciao @Silvio_Grosso,

Check David’s new G’MIC invention and see how it will affect your haze-buildings:

Cordialement,
Claes