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Skin tone measurement has a proven market and has many identified and potential applications. In this work, we use an innovative filter array spectrum sensor to achieve a low-cost mobile device for skin-tone and skin-spectrum measurement. The core technology of this spectrum sensor on-a-chip is based on nano-optical filter array which can be integrated onto a regular photo-detector such as CMOS imager...
Conventional VLC receivers use photo-electronic devices with a fixed spectral response, and have no capability of canceling in-band interference from other users. We propose the use of filter array receivers equipped with data combing approaches to achieve interference rejection for wavelength-division-multiplexing visible-light-communication (WDM-VLC) systems. To reduce the computational cost of...
We aim to use 12 channel filter array spectrum sensor for monitor's CIE tristimulus color sensing. Although low-cost RGB color sensors are available for monitor's color sensing, however their spectral response functions are usually different from the CIE XYZ color matching functions, and hence cannot deliver an accurate color sensing. Alternatively, our proposed filter array spectrum sensor using...
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