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I want to make an mobile app where you scan using the camera and it gives you the card you just scanned. (from a board game)
I got a PNG of each and every single existing cards, but I don't really know what to use.

For now, I've been using the text in the card using OCR to find the card, but it's not 100% accurate as the typography is pretty special.

I've been thinking about using image classification, but I'm not sure it's the right way to do it, as I would be training for hundreds of classes. (got over 400+ different cards)

Do you have any idea what I should be using ? (I'm sorry if this seems like a basic question, but I just started learning about CV and ANN)
Thanks for your help !

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First Approach:

You can probably train a CNN ( Convolutional Neural Network ) on the images you have. If the number of images is less, I prefer you to use Transfer Learning.

In Transfer learning, we have a highly trained model ( like Inception, ResNet ) and we modify it so that it can classify images which we need.

Second Approach:

Use object detection. You need to localize an object ( card ) from the image and then classify that cropped image. This could be tedious if you're a beginner.

You can refer to these links:

You need to train a localization model which can track and crop your images ( of cards ).

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