midKeras
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?