<abstract xmlns="http://www.w3.org/1999/xhtml"><p>High dynamic range (HDR) imaging has gained great popularity over the past twenty years. Tone mapping operator (TMO) is the key component that enables reproduction of HDR images on the standard low dynamic range (LDR) display devices. When it comes to the HDR video, design of the TMO becomes especially challenging since temporal control of TMO parameters is needed in order to avoid possible artifacts. Since temporal and spatial contrast cannot be met simultaneously, existing solutions are usually designed to optimize one of these two requirements. We present novel local tone mapping operator that preserves details and simultaneously provides good local and global contrast of processed images. Tunable temporal control enables trade-off between spatial and temporal contrast of a tone mapped video. Flexible control presented in this paper ensures that both requirements can be met with a single operator just by using different tuning of the control block.When compared to the state-of-the-art TMOs, proposed solution exhibits better results regarding overall image quality.</p></abstract>

High dynamic range (HDR) imaging has gained great popularity over the past twenty years. Tone mapping operator (TMO) is the key component that enables reproduction of HDR images on the standard low dynamic range (LDR) display devices. When it comes to the HDR video, design of the TMO becomes especially challenging since temporal control of TMO parameters is needed in order to avoid possible artifacts. Since temporal and spatial contrast cannot be met simultaneously, existing solutions are usually designed to optimize one of these two requirements. We present novel local tone mapping operator that preserves details and simultaneously provides good local and global contrast of processed images. Tunable temporal control enables trade-off between spatial and temporal contrast of a tone mapped video. Flexible control presented in this paper ensures that both requirements can be met with a single operator just by using different tuning of the control block.When compared to the state-of-the-art TMOs, proposed solution exhibits better results regarding overall image quality.

Temporal adaptation control for local tone mapping operator

School of Electrical Engineering, Department of Electronics

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Temporal adaptation control for local tone mapping operator"}

High dynamic range (HDR) imaging has gained great popularity over the past twenty years. Tone mapping operator (TMO) is the key component that enables...

Temporal adaptation control for local tone mapping operator

Publié en ligne: 19 sept. 2018

Pages: 261 - 269

Reçu: 30 mars 2018

DOI: https://doi.org/10.2478/jee-2018-0037

Mots clés
high dynamic range imaging, local tone mapping, video tone mapping, temporal coherency

© 2018 Dragomir El Mezeni et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Temporal adaptation control for local tone mapping operator

Publié en ligne: 19 sept. 2018

Pages: 261 - 269

Reçu: 30 mars 2018

DOI: https://doi.org/10.2478/jee-2018-0037

Mots cléshigh dynamic range imaging, local tone mapping, video tone mapping, temporal coherency

© 2018 Dragomir El Mezeni et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
high dynamic range imaging, local tone mapping, video tone mapping, temporal coherency