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What is the principle of Focus area selection tool

New Here ,
Oct 04, 2020

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Hello, I am a graduate student in south korea, and I had a question during the study using photoshop focus area selection tool. 

 

Question is this,

 

I cannot find the principle or algorithm of Focus Area tool. I am working on a scientific paper, and I used this tool, but i cannot write without how it works.

So please let me know how it finds out wheather the photo is focused or not.

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FAQ, How to, Windows

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What is the principle of Focus area selection tool

New Here ,
Oct 04, 2020

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Hello, I am a graduate student in south korea, and I had a question during the study using photoshop focus area selection tool. 

 

Question is this,

 

I cannot find the principle or algorithm of Focus Area tool. I am working on a scientific paper, and I used this tool, but i cannot write without how it works.

So please let me know how it finds out wheather the photo is focused or not.

TOPICS
FAQ, How to, Windows

Views

46

Likes

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Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more
Oct 04, 2020 0
S_Gans LATEST
Adobe Community Professional ,
Oct 07, 2020

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I'm not a programmer, but this tool seems to make determinations based on edge clarity, from what I've seen. Perhaps this article will help? https://helpx.adobe.com/photoshop/using/select-area-focus.html

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Oct 07, 2020 0