What is data preprocessing in Keras pipelines?

Updated May 16, 2026

Short answer

Data preprocessing prepares raw data for training.

Deep explanation

It includes normalization, encoding, resizing, and augmentation before feeding into models.

Real-world example

Image normalization in CNN pipelines.

Common mistakes

  • Training without scaling inputs.

Follow-up questions

  • Why normalize data?
  • What is data augmentation?

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