Background image updating method and touch screen
作者： Tang-Wei Hsu , Chia-Ho Chen , Ru-Yi Tsai , Chiou-Tzung Liou , Ting-Hsuan Chang
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摘要: A background image updating method is adapted to a touch screen including first and second modules. images are captured by the modules as images, respectively. (a) Whether an absolute value of brightness difference between third module greater than predetermine compared. (b) If result step(a) yes, whether fourth another (c) step(b) fifth sixth
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