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Design of Advanced Color - Temperature Control System for HDTV Applications
BongsoonKang,OhakMoon,ChangheeHong,HonamLee,BonghwanCho,YoungsunKim 한국물리학회 2002 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.41 No.6
This paper proposes an advanced color-temperature control system for HDTV applications. Compared with the X-chromaticity method [1], it improves the capability in color-temperature calculation by using an additional Y-chromaticity coordinate. It also extends the temperature range from 3000 K to 1667 K by using new coordinates that are obtained by using a linear regression method. The proposed system requires 32174 bits in ROM size, which is an 88 % reduction in hardware compared with the X-chromaticity method. The proposed system is experimentally demonstrated for color temperatures in the range from 1667 K to 25000 K by using the Xilinx FPGA Virtex XCV2000E-6BG560 device.