Scene Illumination as an Indicator of Image Manipulation

Riess C, Angelopoulou E (2010)

Publication Language: English

Publication Type: Conference contribution, Original article

Publication year: 2010

Pages Range: 66--80

Conference Proceedings Title: Information Hiding - 12th International Conference

Event location: Calgary CA

URI: https://faui1-files.cs.fau.de/public/publications/mmsec/2010-Riess-SIA.pdf

DOI: 10.1007/978-3-642-16435-4_6

Abstract

The goal of blind image forensics is to distinguish original and manipulated images. We propose illumination color as a new indicator for the assessment of image authenticity. Many images exhibit a combination of multiple illuminants (flash photography, mixture of indoor and outdoor lighting, etc.). In the proposed method, the user selects illuminated areas for further investigation. The illuminant colors are locally estimated, effectively decomposing the scene in a map of differently illuminated regions. Inconsistencies in such a map suggest possible image tampering. Our method is physics-based, which implies that the outcome of the estimation can be further constrained if additional knowledge on the scene is available. Experiments show that these illumination maps provide a useful and very general forensics tool for the analysis of color images.

Authors with CRIS profile

Christian Rieß Lehrstuhl für Informatik 14 (Bild- und Sprachverarbeitung) Elli Angelopoulou Lehrstuhl für Informatik 14 (Bild- und Sprachverarbeitung)

How to cite

APA:

Riess, C., & Angelopoulou, E. (2010). Scene Illumination as an Indicator of Image Manipulation. In Information Hiding - 12th International Conference (pp. 66--80). Calgary, CA.

MLA:

Riess, Christian, and Elli Angelopoulou. "Scene Illumination as an Indicator of Image Manipulation." Proceedings of the International Conference on Information Hiding, Calgary 2010. 66--80.

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