Request for OCR Notebook Tutorial in Computer Vision

[harrisMLEng]

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• I have searched the Roboflow Notebooks issues and found no similar bug report.

Description

I kindly request the development of a comprehensive OCR Notebook tutorial as part of the Computer Vision tutorials repository. This tutorial would serve as an invaluable resource for individuals looking to learn, experiment, and apply OCR techniques to their projects.

Tutorial Content:

The tutorial should cover the following key aspects:

• Introduction to OCR: Provide a clear and concise overview of what OCR is, its applications, and its relevance in the field of Computer Vision.

• Dataset Selection and Preprocessing: Explain the importance of selecting an appropriate dataset for training and testing an OCR system. Detail the preprocessing steps needed to clean and enhance the images to improve OCR accuracy.

• Text Detection: Illustrate techniques for detecting text regions within images. We could use a state-of-the-art text detection model like DB and show how we can fine-tune it on our custom dataset.

• Text Recognition: Cover various methods of recognizing text within the detected regions. Similarly finetuning/training models like CRNN on custom datasets as well.

• Training and Evaluation: Walk through the training process of an OCR model using a sample dataset. Explain the choice of loss functions, optimization algorithms, and evaluation metrics. Provide guidance on how to fine-tune the model for optimal performance.

• Post-Processing: Describe techniques for post-processing the recognized text to improve accuracy. This could involve handling spelling corrections, word segmentation, and context-based error correction.

• Integration and Deployment: Guide users on integrating the OCR model into their applications. Provide insights into deployment considerations, performance optimization, and potential use cases.

• Advanced Topics: Offer optional sections that delve into advanced topics like handling multi-language text, handling handwriting, and incorporating domain-specific language models.

Another idea would be to leverage Existing OCR models and pipelines like PaddleOCR. And make a tutorial to train, fine-tune, and deploy it.

Additional

No response

Are you willing to submit a PR?

• Yes I'd like to help by submitting a PR!

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[SkalskiP]

Hi @harrisMLEng! 👋🏻

I love the idea. We could create a notebook and a YouTube video about OCR. (I need to ask my supervisor about it.)

I like the idea of using PaddleOCR, as we planned to create some content around the PaddlePaddle framework.

Looks like you have more knowledge about OCR than me :) Would you like to collaborate on the notebook?

Let's convert this issue into a discussion and move it to the "Video ideas" section.

[harrisMLEng]

Yes. I would love to start contributing to Roboflow.

Please guide me regarding how to go about this particular tutorial.

Should we use PaddleOCR or build a custom pipeline. Including detection and recognition models.