@inproceedings{Naik2023-063DPOP-67783,
  year={2023},
  doi={10.1109/cvpr52729.2023.02038},
  title={3D-POP : An Automated Annotation Approach to Facilitate Markerless 2D-3D Tracking of Freely Moving Birds with Marker-Based Motion Capture},
  isbn={979-8-3503-0129-8},
  publisher={IEEE},
  address={Piscataway, NJ},
  booktitle={2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
  pages={21274--21284},
  author={Naik, Hemal and Chan, Hoi Hang and Yang, Junran and Delacoux, Mathilde and Couzin, Iain D. and Kano, Fumihiro and Nagy, Mate}
}

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    <dcterms:issued>2023-06</dcterms:issued>
    <dc:creator>Yang, Junran</dc:creator>
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    <dc:creator>Couzin, Iain D.</dc:creator>
    <dc:language>eng</dc:language>
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    <dc:contributor>Naik, Hemal</dc:contributor>
    <dc:contributor>Delacoux, Mathilde</dc:contributor>
    <dc:contributor>Yang, Junran</dc:contributor>
    <dc:creator>Chan, Hoi Hang</dc:creator>
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    <dc:contributor>Chan, Hoi Hang</dc:contributor>
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    <dc:contributor>Couzin, Iain D.</dc:contributor>
    <dc:creator>Nagy, Mate</dc:creator>
    <dc:contributor>Kano, Fumihiro</dc:contributor>
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    <dcterms:abstract>Recent advances in machine learning and computer vision are revolutionizing the field of animal behavior by enabling researchers to track the poses and locations of freely moving animals without any marker attachment. However, large datasets of annotated images of animals for markerless pose tracking, especially high-resolution images taken from multiple angles with accurate 3D annotations, are still scant. Here, we propose a method that uses a motion capture (mo-cap) system to obtain a large amount of annotated data on animal movement and posture (2D and 3D) in a semi-automatic manner. Our method is novel in that it extracts the 3D positions of morphological keypoints (e.g eyes, beak, tail) in reference to the positions of markers attached to the animals. Using this method, we obtained, and offer here, a new dataset - 3D-POP with approximately 300k annotated frames (4 million instances) in the form of videos having groups of one to ten freely moving birds from 4 different camera views in a 3.6m x 4.2m area. 3D-POP is the first dataset of flocking birds with accurate keypoint annotations in 2D and 3D along with bounding box and individual identities and will facilitate the development of solutions for problems of 2D to 3D markerless pose, trajectory tracking, and identification in birds.</dcterms:abstract>
    <dc:creator>Delacoux, Mathilde</dc:creator>
    <dc:contributor>Nagy, Mate</dc:contributor>
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