Flatbed scanner simulation to analyze the effect of detector's size on color artifacts

Mohammed Yousefhussien; Roger L. Easton Jr.; Raymond Ptucha; Mark Shaw; Brent Bradburn; Jerry Wagner; David Larson; Eli Saber

doi:10.1117/12.2083028

12 March 2015 Flatbed scanner simulation to analyze the effect of detector's size on color artifacts

Mohammed Yousefhussien, Roger L. Easton Jr., Raymond Ptucha, Mark Shaw, Brent Bradburn, Jerry Wagner, David Larson, Eli Saber

Author Affiliations +

Proceedings Volume 9401, Computational Imaging XIII; 94010H (2015) https://doi.org/10.1117/12.2083028
Event: SPIE/IS&T Electronic Imaging, 2015, San Francisco, California, United States

Abstract

Simulations of flatbed scanners can shorten the development cycle of new designs, estimate image quality, and lower manufacturing costs. In this paper, we present a flatbed scanner simulation a strobe RGB scanning method that investigates the effect of the sensor height on color artifacts. The image chain model from the remote sensing community was adapted and tailored to fit flatbed scanning applications. This model allows the user to study the relationship between various internal elements of the scanner and the final image quality. Modeled parameters include: sensor height, intensity and duration of illuminant, scanning rate, sensor aperture, detector modulation transfer function (MTF), and motion blur created by the movement of the sensor during the scanning process. These variables are also modeled mathematically by utilizing Fourier analysis, functions that model the physical components, convolutions, sampling theorems, and gamma corrections. Special targets were used to validate the simulation include single frequency pattern, a radial chirp-like pattern, or a high resolution scanned document. The simulation is demonstrated to model the scanning process effectively both on a theoretical and experimental level.

Citation Download Citation

Mohammed Yousefhussien, Roger L. Easton Jr., Raymond Ptucha, Mark Shaw, Brent Bradburn, Jerry Wagner, David Larson, and Eli Saber "Flatbed scanner simulation to analyze the effect of detector's size on color artifacts", Proc. SPIE 9401, Computational Imaging XIII, 94010H (12 March 2015); https://doi.org/10.1117/12.2083028

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KEYWORDS

Sensors

RGB color model

Modulation transfer functions

Scanners

Motion models

Mathematical modeling

Image quality

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