CCD imaging luminance meter of wider range measure is obtained by using CCD with the function of charge cumulation, using methods of charge and digital cumulation.
Based on the Planck principle, it is deduced that the BIIR output voltage is the product of a constant and a monotonic increasing function of radiation luminance from the extended sources.
Photometers are specifically designed to measure emitted, reflected or transmitted light in photometric terms of luminous flux, luminance, illuminance or luminous intensity.
The luminance and chrominance measurement principle of color TV and the ways to luminance and chrominance measurement of white color TV will be introduced and discussed in the second chapter.
An ABL circuit (4) calculates a luminance limit quantity (BL) based on luminance limit characteristics, the average luminance level (APL) and the power consumption limit quantity (PL).
1 Measurement Items: Luminance(transmittance, grey scale inversion) , chromaticity, response time, flicker, EOC, gamma curve, view angle performance, spectrum, reflective luminance, reflective chromaticity, reflectivity, module optical performance with certain temperature range.
In feature extraction, a new "blemish" model is proposed, which takes several features into account, such as the contrast, area, location, outline, shape and the luminance uniformity of the object.
Using these shapes, the team arranged the two "shoals" so that they had the same overall surface area and luminance even though they contained a different number of objects.
