CATER: Combined Animal Tracking & Environment Reconstruction.
CATER: Combined Animal Tracking & Environment Reconstruction.
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DOI:
10.1126/sciadv.adg2094
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发表时间:
2023-04-21
期刊:
影响因子:
13.6
通讯作者:
Risse, Benjamin
中科院分区:
文献类型:
--
作者:
Haalck, Lars;Mangan, Michael;Wystrach, Antoine;Clement, Leo;Webb, Barbara;Risse, Benjamin
Quantifying the behavior of small animals traversing long distances in complex environments is one of the most difficult tracking scenarios for computer vision. Tiny and low-contrast foreground objects have to be localized in cluttered and dynamic scenes as well as trajectories compensated for camera motion and drift in multiple lengthy recordings. We introduce CATER, a novel methodology combining an unsupervised probabilistic detection mechanism with a globally optimized environment reconstruction pipeline enabling precision behavioral quantification in natural environments. Implemented as an easy to use and highly parallelized tool, we show its application to recover fine-scale motion trajectories, registered to a high-resolution image mosaic reconstruction, of naturally foraging desert ants from unconstrained field recordings. By bridging the gap between laboratory and field experiments, we gain previously unknown insights into ant navigation with respect to motivational states, previous experience, and current environments and provide an appearance-agnostic method applicable to study the behavior of a wide range of terrestrial species under realistic conditions. A tool is developed to obtain high precision quantification of animal behavior filmed in the wild with a freely moving camera.
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影响因子:
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