Mr. Eric Walowit Profile

Eric Walowit

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 9 May 1994 Paper

Quantitative image quality analysis for desktop color scanners and printers

Eric Walowit

Proceedings Volume 2171, (1994) https://doi.org/10.1117/12.175311

KEYWORDS: Modulation transfer functions, Scanners, Printing, Reflectivity, RGB color model, Signal to noise ratio, Image quality, CMYK color model, Silicon, Error analysis

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Proceedings Article | 15 April 1994 Paper

Optimization of sensor response functions for colorimetry of reflective and emissive objects

Mark Wolski, Jan Allebach, Charles Bouman, Eric Walowit

Proceedings Volume 2170, (1994) https://doi.org/10.1117/12.173851

KEYWORDS: Chemical elements, Reflectivity, Sensors, Light emitting diodes, Optical filters, Transmittance, Tolerancing, Linear filtering, Instrument modeling, Calibration

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SPIE Journal Paper | 1 April 1992

An edge-restricted spatial interpolation algorithm

Kefu Xue, Ann Winans, Eric Walowit

JEI, Vol. 1, Issue 02, (April 1992) https://doi.org/10.1117/12.10.1117/12.55185

KEYWORDS: Convolution, Image filtering, Spatial resolution, Algorithm development, Image enhancement, Optical filters, Video, Image quality, Linear filtering, Printing

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Proceedings Article | 1 October 1990 Paper

Quantization and multilevel halftoning of color images for near original image quality

Ronald Gentile, Eric Walowit, Jan Allebach

Proceedings Volume 1249, (1990) https://doi.org/10.1117/12.19675

KEYWORDS: RGB color model, Image quality, Quantization, Diffusion, Image processing, Human vision and color perception, Visual process modeling, Electronic imaging, Information technology, Copper

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Proceedings Article | 1 August 1990 Paper

Visually lossless compression of color images

Ronald Gentile, Jan Allebach, Eric Walowit

Proceedings Volume 1258, (1990) https://doi.org/10.1117/12.19963

KEYWORDS: Image compression, Image quality, Visualization, Quantization, Image processing, Computer programming, Visual compression, Data compression, RGB color model, Color difference

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