README.md

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  This dataset contains images of primates with facial landmark annotations.
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PrimateFace

Cross-species primate face analysis dataset with facial landmark annotations for non-human primates. The dataset provides annotations in two landmark conventions, enabling landmark conversion across schemes.

Note: This dataset is actively growing. New species and configs are added over time. Check the configs table below for the latest available data.

Landmark Conventions

PrimateFace supports two facial landmark configurations on the same images:

• COCO 68-landmark (): The standard dlib/COCO Whole-Body face keypoint layout (jaw contour, eyebrows, nose, eyes, mouth).
• PrimateFace 49-landmark (): A primate-optimized landmark set converted from 68-kpt via a trained attention-MLP model.

Configs

Each config corresponds to a species group and annotation variant:

Config	Species	Keypoints	Images	Annotations	Description
	Macaque	68 (dlib/COCO)	1,876	1,876	Cayo Santiago action-unit videos
	Macaque	48 (PrimateFace)	1,876	1,876	Cayo Santiago action-unit videos
	Marmoset	68 (dlib/COCO)	3,663	4,315	Bing images across 5 genera (Callithrix, Cebuella, Mico, Callimico, Callibella)
	Marmoset	49 (PrimateFace)	3,663	4,315	Same images, converted to 49-kpt via attention-MLP

Usage

Citation

If you use this dataset, please cite:

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Links

• Paper: PrimateFace (bioRxiv)
• Code: KordingLab/PrimateFace (GitHub)

License

CC-BY-NC-4.0 -- non-commercial research use only.