CCD, CMOS digital camera modeling by extended photon transfer method following the EMVA 1288 standard
Abstract
The European Machine Vision Association (EMVA) Number 1288 is a standard that outlines the method and measurement for spectral sensitivity, noise (spatial and temporal) and image quality for digital cameras that use CCD and CMOS image sensors. Using the extended photon technique a mathematical model is derived for a single pixel and is then extended to encompass the entire camera system to be able to write a performance data sheet which can be used as a measure of merit for machine vision applications. The formulations to arrive at a camera model are taken from the results of quantum mechanics, optoelectronics and optics. The objective is to design an experimental set-up to quantify the parameters required by the standard that will be generic for evaluating commercial analog and/or digital cameras with unspecified and unpublished electro-optical image sensor performance.
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