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Tracking animals across frames fixes wildlife camera classifier errors

Mufhumudzi Muthivhi, Jiahao Huo, Fredrik Gustafsson, Terence L. van Zyl

May 15, 2026

Wildlife classifiers trained on curated datasets often misclassify individual animals in real camera-trap footage, producing inconsistent labels frame-to-frame. This work uses standard multi-object tracking algorithms to link detections across consecutive frames and fuse their softmax probabilities into a single consensus label. Tested on three datasets, the approach consistently outperforms standalone classifiers by 2.0–5.1% weighted F1-score, with no architectural changes to the base model. Intended for ecologists and conservation practitioners using camera-trap networks for biodiversity monitoring.
Published as Multi-Object Tracking Consistently Improves Wildlife Inference arXiv:2605.16672
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