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END-TO-END PERSON SEARCH SEQUENTIALLY TRAINED ON AGGREGATED DATASET

Citation Author(s):
Angelique Loesch, Jaonary Rabarisoa, Romaric Audigier
Submitted by:
Angelique Loesch
Last updated:
19 September 2019 - 12:16pm
Document Type:
Poster
Document Year:
2019
Event:
Categories:

Abstract 

Abstract: 

In video surveillance applications, person search is a chal-
lenging task consisting in detecting people and extracting
features from their silhouette for re-identification (re-ID) pur-
pose. We propose a new end-to-end model that jointly com-
putes 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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Dataset Files

2019_ICIP_aloesch

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