Topological image texture analysis for quality assessment

Aras T. Asaad; Rasber Dh. Rashid; Sabah A. Jassim

doi:10.1117/12.2268471

10 May 2017 Topological image texture analysis for quality assessment

Aras T. Asaad, Rasber Dh. Rashid, Sabah A. Jassim

Proceedings Volume 10221, Mobile Multimedia/Image Processing, Security, and Applications 2017; 102210I (2017) https://doi.org/10.1117/12.2268471
Event: SPIE Commercial + Scientific Sensing and Imaging, 2017, Anaheim, CA, United States

Abstract

Image quality is a major factor influencing pattern recognition accuracy and help detect image tampering for forensics. We are concerned with investigating topological image texture analysis techniques to assess different type of degradation. We use Local Binary Pattern (LBP) as a texture feature descriptor. For any image construct simplicial complexes for selected groups of uniform LBP bins and calculate persistent homology invariants (e.g. number of connected components). We investigated image quality discriminating characteristics of these simplicial complexes by computing these models for a large dataset of face images that are affected by the presence of shadows as a result of variation in illumination conditions. Our tests demonstrate that for specific uniform LBP patterns, the number of connected component not only distinguish between different levels of shadow effects but also help detect the infected regions as well.

Citation Download Citation

Aras T. Asaad, Rasber Dh. Rashid, and Sabah A. Jassim "Topological image texture analysis for quality assessment", Proc. SPIE 10221, Mobile Multimedia/Image Processing, Security, and Applications 2017, 102210I (10 May 2017); https://doi.org/10.1117/12.2268471

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KEYWORDS

Image quality

Binary data

Image analysis

Image compression

Quality measurement

Digital image processing

Image forensics

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