Conference paper Closed Access

Partially Fake it Till you Make It: Mixing Real and Fake Thermal Images for Improved Object Detection

Francesco Bongini; Lorenzo Berlincioni; Marco Bertini; Alberto Del Bimbo

In this paper we propose a novel data augmentation approach for visual content domains that have scarce training datasets, composit- ing synthetic 3D objects within real scenes. We show the perfor- mance of the proposed system in the context of object detection in thermal videos, a domain where i) training datasets are very limited compared to visible spectrum datasets and ii) creating full realistic synthetic scenes is extremely cumbersome and expensive due to the difficulty in modeling the thermal properties of the materials of the scene. We compare different augmentation strategies, including state of the art approaches obtained through RL techniques, the injection of simulated data and the employment of a generative model, and study how to best combine our proposed augmentation with these other techniques.

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