Dr. Robert J. Safranek Profile

Dr. Robert J. Safranek

CTO & Vice President of Product Development at Benevue Inc

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 19 May 1999 Paper

Retrieval of color patterns based on perceptual dimensions of texture and human similiarity rules

Aleksandra Mojsilovic, Jelena Kovacevic, Jianying Hu, Robert Safranek, S. Ganapathy

Proceedings Volume 3644, (1999) https://doi.org/10.1117/12.348464

KEYWORDS: Feature extraction, Distance measurement, Weapons of mass destruction, Volume rendering, Visualization, Image retrieval, Visual process modeling, Visual system, Databases, Chemical elements

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Proceedings Article | 17 December 1998 Paper

Multimedia information retrieval by analyzing content and learning from examples

S. Ganapathy, Zhibin Lei, Robert Safranek

Proceedings Volume 3656, (1998) https://doi.org/10.1117/12.333895

KEYWORDS: Multimedia, Databases, Image segmentation, Video, Data modeling, Machine learning, 3D modeling, Internet, Feature extraction, Visualization

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Proceedings Article | 20 April 1995 Paper

Comparison of the coding efficiency of perceptual models

Robert Safranek

Proceedings Volume 2411, (1995) https://doi.org/10.1117/12.207562

KEYWORDS: Quantization, Image compression, Visual process modeling, Systems modeling, Computer programming, Visualization, Image quality, Image processing, Data modeling, Image quality standards

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Proceedings Article | 1 May 1994 Paper

JPEG compliant encoder utilizing perceptually based quantization

Robert Safranek

Proceedings Volume 2179, (1994) https://doi.org/10.1117/12.172663

KEYWORDS: Quantization, Computer programming, Image compression, Data modeling, Image quality, Visual process modeling, Image quality standards, Visualization, Standards development, Visual system

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Proceedings Article | 8 September 1993 Paper

Perceptual coding of images

Nikil Jayant, James Johnston, Robert Safranek

Proceedings Volume 1913, (1993) https://doi.org/10.1117/12.152691

KEYWORDS: Image compression, Distortion, Quantization, Visual process modeling, Digital signal processing, Signal processing, Video, Image quality, Visual system, Visualization

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Proceedings Article | 1 October 1990 Paper

Perceptually tuned sub-band image coder

Robert Safranek, James Johnston, Ruth Rosenholtz

Proceedings Volume 1249, (1990) https://doi.org/10.1117/12.19678

KEYWORDS: Image quality, Image filtering, Image compression, Quantization, Visual process modeling, Human vision and color perception, Mirrors, Electronic imaging, RGB color model, Computer programming

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