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HMD-TMO: A Tone Mapping Operator for 360\(^\circ \) HDR Images Visualization for Head Mounted Displays

  • Ific GoudéEmail author
  • Rémi Cozot
  • Francesco Banterle
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11542)

Abstract

We propose a Tone Mapping Operator, denoted HMD-TMO, dedicated to the visualization of 360\(^\circ \) High Dynamic Range images on Head Mounted Displays. The few existing studies about this topic have shown that the existing Tone Mapping Operators for classic 2D images are not adapted to 360\(^\circ \) High Dynamic Range images. Consequently, several dedicated operators have been proposed. Instead of operating on the entire 360\(^\circ \) image, they only consider the part of the image currently viewed by the user. Tone mapping a part of the 360\(^\circ \) image is less challenging as it does not preserve the global luminance dynamic of the scene. To cope with this problem, we propose a novel tone mapping operator which takes advantage of both a view-dependant tone mapping that enhances the contrast, and a Tone Mapping Operator applied to the entire 360\(^\circ \) image that preserves global coherency. Furthermore, we present a subjective study to model lightness perception in a Head Mounted Display.

Keywords

Head Mounted Display High Dynamic Range Tone Mapping Operator 360\(^\circ \) image 

Notes

Acknowledgments

All 360\(^\circ \) HDR images come from free SYNS and LizardQ datasets. This work has been supported by the ANR project ANR-17-CE23-0020. We would like to thank Kadi Bouatouch for his help and proofreading. Thanks to all experiment participants for their contributions.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Univ Rennes, CNRS, IRISARennesFrance
  2. 2.Visual Computing LabISTI-CNRPisaItaly

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