What is data augmentation in Computer Vision?

Updated May 15, 2026

Short answer

Data augmentation artificially increases dataset size using transformations.

Deep explanation

Techniques include flipping, rotation, scaling, cropping, and color jittering to improve generalization.

Real-world example

Improving robustness of facial recognition systems.

Common mistakes

  • Applying unrealistic transformations.

Follow-up questions

  • Why is augmentation important?
  • Can augmentation replace data collection?

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