Perceptual hashing of sheet music based on graphical representation

Gert Kremser; Martin Schmucker

doi:10.1117/12.642890

17 February 2006 Perceptual hashing of sheet music based on graphical representation

Gert Kremser, Martin Schmucker

Proceedings Volume 6072, Security, Steganography, and Watermarking of Multimedia Contents VIII; 60721U (2006) https://doi.org/10.1117/12.642890
Event: Electronic Imaging 2006, 2006, San Jose, California, United States

Abstract

For the protection of Intellectual Property Rights (IPR), different passive protection methods have been developed. These watermarking and fingerprinting technologies protect content beyond access control and thus tracing illegal distributions as well as the identification of people who are responsible for a illegal distribution is possible. The public's attention was attracted especially to the second application by the illegal distribution of the so called 'Hollywood screeners'. The focus of current research is on audio and video content and images. These are the common content types we are faced with every day, and which mostly have a huge commercial value. Especially the illegal distribution of content that has not been officially published shows the potential commercial impact of illegal distributions. Content types, however, are not limited to audio, video and images. There is a range of other content types, which also deserve the development of passive protection technologies. For sheet music for instance, different watermarking technologies have been developed, which up to this point only function within certain limitations. This is the reason why we wanted to find out how to develop a fingerprinting or perceptual hashing method for sheet music. In this article, we describe the development of our algorithm for sheet music, which is based on simple graphical features. We describe the selection of these features and the subsequent processing steps. The resulting compact representation is analyzed and the first performance results are reported.

Citation Download Citation

Gert Kremser and Martin Schmucker "Perceptual hashing of sheet music based on graphical representation", Proc. SPIE 6072, Security, Steganography, and Watermarking of Multimedia Contents VIII, 60721U (17 February 2006); https://doi.org/10.1117/12.642890

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KEYWORDS

Principal component analysis

Digital watermarking

Algorithm development

Video

Feature extraction

Multimedia

Databases

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