# Feature Classification

IDOL Media Server can search for certain types of features in an image, providing ways to classify the images.

For documents, it can extract the following information:

- text

  NOTE: If there is no text in your document, Media Server might return nonsense, so you must filter the results.

- barcodes
- logos (you must supply logo images)

For general photos, it can extract the following information:

- faces (including face characteristics)
- text
- logos
- clothing (this feature requires the location of the wearer's face)

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