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Correction and Optimization Research of LCD Tone Reproduction Characteristics
Author(s): 
Pages: 58-61
Year: Issue:  9
Journal: Video Engineering

Keyword:  液晶显示器阶调复现曲线曲线校正曲线优化;
Abstract: 为了改变液晶显示器(LCD)的阶调复现特性,改善其显示图像的视觉效果,建立了一套自动γ校正系统,将实测阶调复现曲线(TRC)与以分段选取γ值方式得到的目标曲线对比,通过逐行修改显示器驱动电路中的数字查找表(LUT),使实测曲线逐步逼近目标曲线并最终与之重合.测试结果表明,校正后的LCD阶调复现特性符合预设模型,且以幂函数模型对LCD加以校正,输出图像的各层次均清晰可辨,而以适当选取拟合参数的分段函...
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