Fusion of high dynamic range scene photos

Ekaterina V. Tolstaya; Michael N. Rychagov; KiMin Kang; Sang Ho Kim

doi:10.1117/12.811530

19 January 2009 Fusion of high dynamic range scene photos

Ekaterina V. Tolstaya, Michael N. Rychagov, KiMin Kang, Sang Ho Kim

Proceedings Volume 7250, Digital Photography V; 72500Y (2009) https://doi.org/10.1117/12.811530
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States

Abstract

In this paper we propose an effective approach for creating nice-looking photo images of scenes having high dynamic range using a set of photos captured with exposure bracketing. Usually details of dark parts of the scene are preserved in over-exposed shot, and details of brightly illuminated parts are visible in under-exposed photos. A proposed method allows preservation of those details by first constructing gradient field, mapping it with special function and then integrating it to restore lightness values using Poisson equation. Resulting image can be printed or displayed on conventional displays.

Citation Download Citation

Ekaterina V. Tolstaya, Michael N. Rychagov, KiMin Kang, and Sang Ho Kim "Fusion of high dynamic range scene photos", Proc. SPIE 7250, Digital Photography V, 72500Y (19 January 2009); https://doi.org/10.1117/12.811530

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