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In this Discussion
- Bird December 2017
- jeremydouglass December 2017
- kfrajer December 2017
Object Recognition from an Image
Just wondering if anyone has any pointers towards a library, etc. that can be used with Processing for recognizing objects within an image. Doing some initial searches came up with OpenCV, which I know Processing has a library for, but I am interested in objects as opposed to facial recognition.
I am interested in taking an image and running it through some kind of parsing and getting output that indicates any objects found in the image. I'm not concerned with the placement of the object within the image, just a list of the objects. any ideas on this are welcome.
Answers
boofCV, available in the lib manager in the Processing IDE.
Kf
What sort of objects are you looking to extract?
Kf
@kfrajer I'll check out boofCV. I saw it in the list but haven't looked into it yet. At this point I am just interested in "simple" objects like cars, trees, flowers, apples, cats, birds, etc. Nothing specific. I guess I am looking to extract whatever object(s) are found as a method for generating a list of objects. Does that make sense?
@kfrajer yes, I think boofCV might do what I want. The Image Classification example appears to possibly do what I want. Thanks!
Re:
Fair warning -- until fairly recently, this has been an extremely hard problem -- you aren't going to get good performance (or maybe even any performance at all) trying to throw together a bird detector from OpenCV or boofCV starter algorithms. That will work better for things traffic cam car detection or marker detection, or built-ins like face detection. Attempting to reliably tell an apple from a pear or banana -- or a flower from a tree -- is generally a long, humbling process -- especially if you try to go the 'simple' route and aren't using machine learning from day one.
There have recently been some really exciting rapid advancements in object recognition -- but I'm not sure if there is off-the-shelf "deep learning" neural network style image analysis available yet to plug in to a Processing sketch.