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J. Imaging 2018, 4(8), 100; https://doi.org/10.3390/jimaging4080100

Use of an Occlusion Mask for Veiling Glare Removal in HDR Images

Dipartimento di Informatica, Università degli Studi di Milano, Via Celoria 18, 20131 Milano, Italy
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Received: 17 May 2018 / Revised: 27 July 2018 / Accepted: 30 July 2018 / Published: 3 August 2018
(This article belongs to the Special Issue Image Enhancement, Modeling and Visualization)
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Abstract

Optical systems in digital cameras present a limit during the acquisition of standard and High Dynamic Range Images (HDRI) due to the presence of veiling glare, an artifact caused by an unwanted spread of the source of light. In this paper, we analyze the state-of-the-art of veiling glare removal in HDRI, giving attention to the paper presented by Talvala. Then we describe an algorithm for veiling glare removal based on the same occlusion mask, to study the benefits provided by it in HDRI acquisition process. Finally, we demonstrate the efficiency of the occlusion mask method in veiling glare removal without any post production estimation and subtraction. View Full-Text
Keywords: HDR imaging; veiling glare; structured occlusion mask HDR imaging; veiling glare; structured occlusion mask
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Cozzi, F.; Elia, C.; Gerosa, G.; Rocchetta, F.; Lanaro, M.; Rizzi, A. Use of an Occlusion Mask for Veiling Glare Removal in HDR Images. J. Imaging 2018, 4, 100.

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