Android Question Auto cropping image

Matteo Granatiero

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I would like to automatically crop an image by removing the background like this:
 

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Sandman

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aeric said:
I think it needs AI or some kind of algorithm to achieve it.
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My first thought: LOL

My second thought: Oh, @aeric might mean actually removing background like this:


My interpretation of the non-question was this:

Meaning, removing background by cropping using a bounding box. (Shown as red outline here.)

We'll see if @Matteo Granatiero adds some background (pun intended) and perhaps even a question.
 
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Matteo Granatiero

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yes this is my question, sorry if I haven't been clear and specific ahaha
 
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Sandman

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So, to be clear, you're looking to do this: Automatically crop an image to the bounding box?


It seems to be a quite simple problem to solve, what have you tried and what are your questions?
 
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canalrun

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This sounds like it could be a job for OpenCV.

There have been a few ports to OpenCV for B4A over the years. There may be a function that allows you to isolate an object within an image – I'm not sure.

As someone else posted, this seems straightforward but it is an incredibly difficult problem.

Barry.
 
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Erel

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Matteo Granatiero said:
but this is only to eliminate the transparent background, but in case of NOT transparent background?
Click to expand...
This is only for transparent background, that's why I wrote that it is only "a bit related".
BTW, the image from the first question can be handled with a similar code. As already written several times there is a huge difference between removing a solid color background and removing real world background. These are completely different tasks.
 
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Sandman

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