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Conference Papers Year : 2021

Thermal Image Enhancement using Generative Adversarial Network for Pedestrian Detection

Abstract

Infrared imaging has recently played an important role in a wide range of applications including video surveillance, robotics and night vision. However, infrared cameras often suffer from some limitations, essentially about low-contrast and blurred details. These problems contribute to the loss of observation of target objects in infrared images, which could limit the feasibility of different infrared imaging applications. In this paper, we mainly focus on the problem of pedestrian detection on thermal images. Particularly, we emphasis the need for enhancing the visual quality of images before performing the detection step. To address that, we propose a novel thermal enhancement architecture called TE-GAN based on Generative Adversarial Network, and composed of two modules contrast enhancement and denoising with a post-processing step for edge restoration in order to improve the overall image quality. The effectiveness of the proposed architecture is assessed by means of visual quality metrics and better results are obtained compared to the original thermal images and to the obtained results by other existing enhancement methods. These results have been conducted on a subset of KAIST dataset that we make available to encourage research in this direction 1. Using the same dataset, the impact of the proposed enhancement architecture has been demonstrated on the detection results by obtaining better performance with a significant margin using YOLOv3 detector.
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Dates and versions

hal-03909820 , version 1 (02-02-2023)

Identifiers

Cite

Mohamed Amine Marnissi, Hajer Fradi, Anis Sahbani, Najoua Essoukri Ben Amara. Thermal Image Enhancement using Generative Adversarial Network for Pedestrian Detection. International Conference on Pattern Recognition (ICPR), Jan 2021, Milan, Italy. ⟨10.1109/ICPR48806.2021.9412331⟩. ⟨hal-03909820⟩
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