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John Penczek (Assoc)

Publications

Color Error in the Digital Camera Image Capture Process

April 1, 2014

Author(s)

John Penczek, Paul A. Boynton, Jolene Splett

The color error of images taken by digital cameras is evaluated with respect to its sensitivity to the image capture conditions. A parametric study was...

Robustness of display reflectance measurements: Comparison between BRDF and hemispherical diffuse reflectance

June 1, 2009

Author(s)

Seungkwan Kim, Edward F. Kelley, John Penczek

We measured in-plane bidirectional-reflectance-distribution-function (BRDF) profiles for specular, haze and Lambertian samples using a converging light beam and...

Character contrast under uniform ambient conditions

May 1, 2009

Author(s)

Edward F. Kelley, John Penczek, Paul A. Boynton

The measurement of small-area black regions on a white screen (such as a character stroke) can be subject to large errors because of veiling glare in the...

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Created July 30, 2019, Updated December 8, 2022

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