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arXiv · 2201.09604

End-to-end Person Search Sequentially Trained on Aggregated Dataset

Angelique Loesch·Jaonary Rabarisoa·Romaric Audigier
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Abstract

In video surveillance applications, person search is a challenging task consisting in detecting people and extracting features from their silhouette for re-identification (re-ID) purpose. We propose a new end-to-end model that jointly computes detection and feature extraction steps through a single deep Convolutional Neural Network architecture. Sharing feature maps between the two tasks for jointly describing people commonalities and specificities allows faster runtime, which is valuable in real-world applications. In addition to reaching state-of-the-art accuracy, this multi-task model can be sequentially trained task-by-task, which results in a broader acceptance of input dataset types. Indeed, we show that aggregating more pedestrian detection datasets without costly identity annotations makes the shared feature maps more generic, and improves re-ID precision. Moreover, these boosted shared feature maps result in re-ID features more robust to a cross-dataset scenario.

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Angelique Loesch, Jaonary Rabarisoa, Romaric Audigier. 2022-01-24. End-to-end Person Search Sequentially Trained on Aggregated Dataset. https://doi.org/10.1109/icip.2019.8803643

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