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TensorFlow OCR Model for Reading Captchas
Latest   Machine Learning

TensorFlow OCR Model for Reading Captchas

Last Updated on July 17, 2023 by Editorial Team

Author(s): Rokas Liuberskis

Originally published on Towards AI.

Training a Custom OCR for Captcha Image Text Extraction with TensorFlow and CTC Loss Function: A Step-by-Step Guide. Using the mltu Library to Simplify the Process

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In the previous tutorial, I showed you how to train our custom OCR for simple word images to extract text. There I gave many explanations about where, why, and how we do things, but it had one huge drawback — we used 10 GB training datasets, and not everyone can download that huge fail and train for hours just for fun. So, I created a continuation for that tutorial explaining how to train CTC for simple captcha images.

Captchas (Completely Automated Public… Read the full blog for free on Medium.

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