Road Scenes Analysis in Adverse Weather Conditions by Polarization-Encoded Images and Adapted Deep Learning

Rachel Blin1, Samia Ainouz-zemouche2, Stéphane Canu1, Fabrice Meriaudeau3

  • 1Normandie Univ, INSA Rouen, UNIROUEN, UNIHAVRE, LITIS
  • 2LITIS Laboratory, INSA de Rouen
  • 3ImViA, Burgundy University

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Regular Session

Sessions

11:00 - 12:00 | Mon 28 Oct | The Great Room IV | MoC-T2

Regular Session on Perception under Adverse Weather Conditions (I)

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Abstract

Object detection in road scenes is necessary to develop both autonomous vehicles and driving assistance systems. Even if deep neural networks for recognition task have shown great performances using conventional images, they fail to detect objects in road scenes in complex acquisition situations. In contrast, polarization images, characterizing the light wave, can robustly describe important physical properties of the object even under poor illumination or strong reflections. This paper shows how non-conventional polarimetric imaging modality overcomes the classical methods for object detection especially in adverse weather conditions. The efficiency of the proposed method is mostly due to the high power of the polarimetry to discriminate any object by its reflective properties and on the use of deep neural networks for object detection. Our goal by this work, is to prove that polarimetry brings a real added value compared with RGB images for object detection. Experimental results on our own dataset composed of road scene images taken during adverse weather conditions show that polarimetry together with deep learning can improve the state-of-the-art by about 20% to 50% on different detection tasks.

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