Mr. Brett A. Bradley Profile

Brett A. Bradley

Senior R&D Engineer at Digimarc Corp

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Author

Publications (8)

Proceedings Article | 21 February 2012 Paper

Chrominance watermark embed using a full-color visibility model

Brett Bradley, Alastair Reed, John Stach

Proceedings Volume 8302, 83020T (2012) https://doi.org/10.1117/12.915742

KEYWORDS: Visibility, Digital watermarking, RGB color model, Eye models, Electroluminescence, Detection and tracking algorithms, Picosecond phenomena, Modulation, Image processing, Sensors

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Proceedings Article | 4 February 2009 Paper

Real-time application of digital watermarking to embed tactical metadata into full motion video captured from unmanned aerial systems

Alex Philp, Brett Bradley, John Stach, Tony Rodriguez

Proceedings Volume 7254, 725410 (2009) https://doi.org/10.1117/12.814319

KEYWORDS: Digital watermarking, Signal to noise ratio, Video, Video compression, Image compression, Sensors, Visibility, Cesium, Image processing, Error analysis

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Proceedings Article | 21 March 2005 Paper

High-capacity invertible data-hiding algorithm for digital audio

Brett Bradley, Adnan Alattar

Proceedings Volume 5681, (2005) https://doi.org/10.1117/12.586042

KEYWORDS: Digital watermarking, Data hiding, Signal processing, Distortion, Data communications, Algorithm development, Databases, Computer programming, Data conversion, Computer simulations

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Proceedings Article | 22 June 2004 Paper

Improvement to CDF grounded lattice codes

Brett Bradley

Proceedings Volume 5306, (2004) https://doi.org/10.1117/12.527187

KEYWORDS: Digital watermarking, Distortion, Quantization, Image compression, Computer programming, Solids, Control systems, Image processing, Image restoration, Bridges

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Proceedings Article | 20 June 2003 Paper

New wrinkle in dirty paper techniques

Brett Bradley, John Stach

Proceedings Volume 5020, (2003) https://doi.org/10.1117/12.477308

KEYWORDS: Quantization, Digital watermarking, Image processing, Bismuth, Image restoration, Neodymium, Interference (communication), Algorithm development, Associative arrays, Solids

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Proceedings Article | 29 April 2002 Paper

Use of web cameras for watermark detection

John Stach, Trenton Brundage, Brett Hannigan, Brett Bradley, Tony Kirk, Hugh Brunk

Proceedings Volume 4675, (2002) https://doi.org/10.1117/12.465321

KEYWORDS: Digital watermarking, Cameras, Point spread functions, CCD cameras, Sensors, Digital cameras, Signal to noise ratio, CMOS cameras, Image processing, Amplifiers

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Proceedings Article | 1 August 2001 Paper

Comparative performance of watermarking schemes using M-ary modulation with binary schemes employing error correction coding

Brett Bradley, Hugh Brunk

Proceedings Volume 4314, (2001) https://doi.org/10.1117/12.435448

KEYWORDS: Digital watermarking, Signal to noise ratio, Modulation, Forward error correction, Binary data, Receivers, Error analysis, Digital imaging, Image restoration, Image compression

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Proceedings Article | 1 August 2001 Paper

Digital watermarking using improved human visual system model

Brett Hannigan, Alastair Reed, Brett Bradley

Proceedings Volume 4314, (2001) https://doi.org/10.1117/12.435430

KEYWORDS: Digital watermarking, Edge detection, Signal detection, Detection and tracking algorithms, Visual system, Visual process modeling, Image processing, Visualization, Visibility, Algorithm development

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Showing 5 of 8 publications

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