Retraction Retraction dated 2022-12-04

Click to view Retraction: https://doi.org/10.1007/s13204-021-02142-6

Retraction Retraction dated 2022-02-05

Click to view Retraction: https://doi.org/10.1007/s13204-021-02142-6

RETRACTED ARTICLE: Investigation of facial aggression detection techniques based on facial action units using machine learning

Crossref DOI link: https://doi.org/10.1007/s13204-021-02142-6

Published Online: 2022-02-05

Published Print: 2023-04

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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