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# Analyze Faces

Face analysis estimates the demographics and/or state (expression) of a face. Face demographics include classifying the face’s apparent age, ethnicity, and gender, while face state estimates the expression of the face. Image Server can return any of the following results for each face.

| Age | Ethnicity | Gender | Expression
--- | --- | --- | --- | ---
Possible Results | Baby Child Youth Middle Old | Asian Black White | Female Male | Happy Neutral

Each face that is analyzed is detected using the face detection module.

Note: Estimation of ethnicity is based on face shape only, and not on skin color.

The accuracy of face analysis depends largely on the images that it processes. See Factors Affecting Face Analysis Performance. You can also configure face analysis for best performance.

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