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A multi-context representation approach with multi-task learning for object counting
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DOI：10.1016/j.knosys.2020.105927.png)
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Object counting is a fundamental while challenging computer vision task, as it requires the object appearance information as well as semantic understanding of the object. In this paper, we propose an end-to-end multi-context embedding deep network for object counting(MCENet), which observes the object counting task from the three different perspectives to count the number of vehicles in the traffic video frame, or to estimate the number of the pedestrian in the largely congested scene. The first sub-network of MCENet extracts the potential features for the appearance context and the semantic context from different-level layers. The two different-level features from the first sub-network are transferred into the two parallel and complementary sub-networks, which are used to model the appearance context and semantic context for final counting. And thus the multiple contexts are represented and embedded to assist the counting task. Extensive experimental evaluations are reported in this paper, using up to three different object counting benchmarks, which show the proposed approach achieves a competitive performance in all these heterogeneous scenarios. (C) 2020 Elsevier B.V. All rights reserved.
Keyword:
Object counting
Multi-task learning
Multi-context representation
Appearance context
Multi-scale semantic
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