Mr. Waldemar Berchtold Profile

Waldemar Berchtold

at Fraunhofer Institute SIT

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 19 February 2014 Paper

Robust hashing for 3D models

Waldemar Berchtold, Marcel Schäfer, Michael Rettig, Martin Steinebach

Proceedings Volume 9028, 90280R (2014) https://doi.org/10.1117/12.2042497

KEYWORDS: 3D modeling, Bismuth, Video, Digital watermarking, Optical spheres, Solid modeling, Databases, Computer aided design, Data modeling, Visual process modeling

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Proceedings Article | 19 February 2014 Paper

Watermarking textures in video games

Huajian Liu, Waldemar Berchtold, Marcel Schäfer, Patrick Lieb, Martin Steinebach

Proceedings Volume 9028, 90280G (2014) https://doi.org/10.1117/12.2039811

KEYWORDS: Digital watermarking, Video, Image compression, Visualization, Video compression, Raster graphics, Detection and tracking algorithms, Neodymium, Video surveillance, Computer security

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Proceedings Article | 22 March 2013 Paper

Video game watermarking

Waldemar Berchtold, Marcel Schäfer, Huajian Liu, Fábio Touceira Takahashi, André Schmitz, Sascha Zmudzinski, Martin Steinebach, Jonas Wieneke

Proceedings Volume 8665, 866506 (2013) https://doi.org/10.1117/12.2005851

KEYWORDS: Digital watermarking, Video, Multimedia, Information security, Transparency, 3D modeling, Video surveillance, Prototyping, Video processing, Internet

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Proceedings Article | 9 February 2012 Paper

Ranking search for probabilistic fingerprinting codes

Marcel Schäfer, Waldemar Berchtold, Martin Steinebach

Proceedings Volume 8303, 830306 (2012) https://doi.org/10.1117/12.908352

KEYWORDS: Digital watermarking, Detection and tracking algorithms, Multimedia, Forensic science, Information technology, Information security, Electronic imaging, Current controlled current source, Transparency

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Proceedings Article | 11 February 2011 Paper

Collusion-secure patchwork embedding for transaction watermarking

Waldemar Berchtold, Sascha Zmudzinski, Marcel Schäfer, Martin Steinebach

Proceedings Volume 7880, 78800V (2011) https://doi.org/10.1117/12.872584

KEYWORDS: Digital watermarking, Magnesium, Clouds, Error analysis, Resistance, Sensors, Error control coding, Transparency, Information security, Detection and tracking algorithms

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