Mr. Alexis P. Tzannes Profile

Alexis P. Tzannes

Senior Engineer at Aware Inc

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 2 September 2009 Paper

Interoperability in JPIP and its standardization in JPEG 2000 Part 9

Thomas Richter, Bernard Brower, Stephen Martucci, Alexis Tzannes

Proceedings Volume 7443, 744316 (2009) https://doi.org/10.1117/12.829249

KEYWORDS: Image segmentation, Image transmission, Standards development, Data modeling, Image quality, Image resolution, Image compression, Medical imaging, Computer programming, 3D video compression

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SPIE Journal Paper | 1 September 2007

Point target detection in IR image sequences: a hypothesis-testing approach based on target and clutter temporal profile matching

Alexis Tzannes, Dana Brooks

OE, Vol. 39, Issue 08, (September 2007) https://doi.org/10.1117/12.10.1117/1.1305541

KEYWORDS: Target detection, Infrared imaging, Clouds, Infrared detectors, Detection and tracking algorithms, Signal to noise ratio, Infrared radiation, Thermal modeling, 3D acquisition, Wavelets

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Proceedings Article | 21 November 2002 Paper

Iterative rate-control technique for motion JPEG 2000

Alexis Tzannes

Proceedings Volume 4790, (2002) https://doi.org/10.1117/12.455364

KEYWORDS: Image compression, JPEG2000, Video, Image quality, Distortion, Computer programming, Video surveillance, Video compression, Signal to noise ratio, Video coding

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Proceedings Article | 26 July 1999 Paper

Point target detection in IR image sequences based on target and clutter temporal profile modeling

Alexis Tzannes, Dana Brooks

Proceedings Volume 3698, (1999) https://doi.org/10.1117/12.354550

KEYWORDS: Target detection, Clouds, Infrared imaging, Infrared radiation, Detection and tracking algorithms, Signal to noise ratio, Imaging systems, Statistical modeling, Infrared detectors, Biomedical optics

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Proceedings Article | 13 August 1997 Paper

Temporal filters for point target detection in IR imagery

Alexis Tzannes, Dana Brooks

Proceedings Volume 3061, (1997) https://doi.org/10.1117/12.280370

KEYWORDS: Detection and tracking algorithms, Image filtering, Continuous wavelet transforms, Target detection, Clouds, Optical filters, Wavelets, Infrared imaging, Infrared radiation, Signal to noise ratio

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Proceedings Article | 8 September 1995 Paper

Improved cell design for Schottky barrier infrared detector arrays

Freeman Shepherd, Jonathan Mooney, Alexis Tzannes, James Murguia

Proceedings Volume 2552, (1995) https://doi.org/10.1117/12.218235

KEYWORDS: Sensors, Electrodes, Detector arrays, Diodes, Infrared detectors, Doping, Infrared radiation, Multiplexers, Active sensors, Charge-coupled devices

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SPIE Journal Paper | 1 June 1995

Measurement of the modulation transfer function of infrared cameras

Alexis Tzannes, Jonathan Mooney

OE, Vol. 34, Issue 06, (June 1995) https://doi.org/10.1117/12.10.1117/12.203133

KEYWORDS: Modulation transfer functions, Cameras, Infrared cameras, Spatial frequencies, Imaging systems, Optical filters, Collimators, Fourier transforms, Optical transfer functions, Image processing

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Proceedings Article | 17 October 1994 Paper

Field measurement technique for infrared camera characterization

Alexis Tzannes

Proceedings Volume 2269, (1994) https://doi.org/10.1117/12.188676

KEYWORDS: Modulation transfer functions, Infrared cameras, Cameras, Infrared technology, Spatial frequencies, Image resolution, Image processing, Optical transfer functions, Aluminum, Sun

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Proceedings Article | 1 November 1993 Paper

Signal-processing algorithms for point-target detection in consecutive-frame staring imagery

Charlene Caefer, Jerry Silverman, Jonathan Mooney, Alexis Tzannes, Virgil Vickers

Proceedings Volume 2020, (1993) https://doi.org/10.1117/12.160531

KEYWORDS: Detection and tracking algorithms, Target detection, Computer programming, Algorithm development, Computer simulations, Infrared technology, Cameras, Surveillance, Signal to noise ratio, Electronic filtering

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Proceedings Article | 1 November 1993 Paper

Toward the characterization of infrared cameras

Alexis Tzannes, Jonathan Mooney

Proceedings Volume 2020, (1993) https://doi.org/10.1117/12.160567

KEYWORDS: Modulation transfer functions, Cameras, Infrared technology, Spatial frequencies, Infrared cameras, Imaging systems, Optical filters, Staring arrays, Field effect transistors, Optical transfer functions

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Proceedings Article | 1 June 1991 Paper

Cascade coding with error-constrained relative entropy decoding

Alexis Tzannes, Michael Tzannes, Marcos Tzannes, Nicolaos Tzannes

Proceedings Volume 1452, (1991) https://doi.org/10.1117/12.45408

KEYWORDS: Reconstruction algorithms, Receivers, Image processing, Algorithm development, Error analysis, Algorithms, Electrical engineering, Quantization, Mathematics, Indium nitride

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Proceedings Article | 1 June 1990 Paper

Cascade coding for subbit image compression

Marcos Tzannes, Alexis Tzannes, Nicolaos Tzannes

Proceedings Volume 1244, (1990) https://doi.org/10.1117/12.19492

KEYWORDS: Image compression, Image processing, Bridges, Reconstruction algorithms, Signal processing, Image storage, Image transmission, Ions, Receivers, Bismuth

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Showing 5 of 12 publications

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