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The visibility of images displayed on mobile devices can significantly vary according to the lighting conditions. Generally, increasing the lighting scale produces a more compressed perceived color gamut. In addition, the compression rate of the perceived color gamut varies according to the hue angle. Therefore, this paper presents a method of compensating the luminance and chrominance according to...
It has been often used for the location service based the IEEE 802.15.4 to modeling propagation in the 2.4 GHz ISM band. The Received Signal Strength Indicator (RSSI) value of it is used to estimate distance, which is proportional to path loss of the RSSI in general. However it is not good to use to this method in general because it include multi path fading, and interference etc. In this paper, the...
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