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Any solution for this knock out?

Community Expert ,
Oct 11, 2022 Oct 11, 2022

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Hi y'all

I am trying to isolate the herbs in the foreground.

Tried  almost anything (chanels, selections, masking, highpass…) without any good result.

Any clues?Pugey DSC03197.jpeg

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correct answers 1 Correct answer

Community Expert , Oct 11, 2022 Oct 11, 2022

Hi

I thought Select focus might help - it doesn't.

 

So next I tried bit of lateral thinking. Taking a copy of the image and using Find edges followed by Gaussian blur then using a black and white layer adjustment plus a curve to invert gave a starting point for a mask. The top edge of the land needs to be brushed over as do some lines around the farm and some holes at the bottom.

2022-10-11_22-34-55.jpg

 

A couple of minutes with the brush to brush out the obvious areas gave this:

2022-10-11_22-43-24.jpg

 

 

Then making the result a mask :

...

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Community Expert ,
Oct 11, 2022 Oct 11, 2022

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If you're talking about the grass in the foreground, I'm not certain any automatic selection will work with this fine of detail withour requiring a LOT of cleanup.

Have you considered going old school and using Quick Mask and a brush?

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Community Expert ,
Oct 12, 2022 Oct 12, 2022

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yes that grass… I did as well as many other tricks. 

The solution provided by Daves seems interesting…

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Community Expert ,
Oct 11, 2022 Oct 11, 2022

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Hi

I thought Select focus might help - it doesn't.

 

So next I tried bit of lateral thinking. Taking a copy of the image and using Find edges followed by Gaussian blur then using a black and white layer adjustment plus a curve to invert gave a starting point for a mask. The top edge of the land needs to be brushed over as do some lines around the farm and some holes at the bottom.

2022-10-11_22-34-55.jpg

 

A couple of minutes with the brush to brush out the obvious areas gave this:

2022-10-11_22-43-24.jpg

 

 

Then making the result a mask :

2022-10-11_22-45-44.jpg

How much work it still needs to finish it depends on what you are using it against. I would not finish it until I had it in the new composite.

 

Dave

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Community Expert ,
Oct 12, 2022 Oct 12, 2022

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Dave you are the best!

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Community Expert ,
Oct 12, 2022 Oct 12, 2022

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Thanks - It was a challenge and the mask is not perfect but, depending on where you intend to use the result, may be OK or need more work. At least its a start.

 

Dave

 

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Community Expert ,
Oct 12, 2022 Oct 12, 2022

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Here is the final use of the grass… As usual the project was planned for yesterday so it is not perfect, but necessary and enough as the math guys say.

Again thank you for this precious hint and your time. 

COUVS Herbes.png

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Community Expert ,
Oct 12, 2022 Oct 12, 2022

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This is excellent work, Dave - or rather, excellent thinking! And like all brilliant solutions, it's so obvious when you see it. You just wouldn't have thought of it yourself... 😉

 

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Community Expert ,
Oct 12, 2022 Oct 12, 2022

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Thank you Dag, our minds work in mysterious ways 🙂

Also thanks to Didier for following up with the final use, it was good to see how it was applied.

 

Dave

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