Pattern Recognition in Python

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Good morning, everyone
I am developing a work for college in which I need to recognize images with Python, but the teacher wishes that the recognition algorithm does not belong to a bookstore already made as Opencv.
Searching a little I only found information from libraries already made, the only one I found and is in a previous question on the same theme the algorithms SIFT + KNN, but I was wondering if there are more similar algorithms that I can implement in Python.

python image-processing

  • There’s something in PHP, I’m not sure if it’s what you need, but it’s already an idea. https://answall.com/questions/183508/como-contar-os-objetos-presentes-na-imagem-com-php/314037?r=SearchResults#314037

  • It has nothing to do with technology (PHP) but your response to the jsbueno gave me an idea of the complexity of the theme and I will use a library already made, thank you.

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Pattern recognition is not something trivial - Unless the course is about this, and in this case you must be learning about classifiers, machine learning and the specific algorithms, there is no point in trying to create this from scratch without using a library ("bookstore" as we Brazilians write) already do so, or at least have the foundations for it, such as tensorflow.

If you’re part of the discipline yourself, you should have a better idea of where you want to start or a little code you’ve already done.

A cool bookstore that supports uploading images, and many of the algorithms used in preprocessing and segmentation are leptonica - it is in C, but can be used from Python with "ctypes". (I did a wrapper using ctypes once but I haven’t kept up to date - should give some work to configure properly - https://github.com/jsbueno/pyleptonica (I just looked, it’s not even set to Python 3 - shame on me) - Anyway, regardless of whether it is possible to update this wrapper or make the calls with raw ctypes, the leptonica is a good start to finding the basic algorithms that will allow the classification of images - worth looking at the documentation of the original library. https://github.com/DanBloomberg/leptonica

  • Thanks for the reply, but the first link is broken because it wrote github as githib, in case I will follow your tips and use a library as a basis.

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