针对小尺寸TFT-LCD驱动控制芯片的结构特点,提出了一种适用于小尺寸TFT-LCD的新型图像锐化算法.在传统的反锐化掩膜算法中考虑了人眼的视觉系统特性,加入了能量色散滤波器,进而提高了图像锐化效果,降低了锐化噪声,减小了灰度溢出,同时也避免了色彩失真现象.所提出的算法简单且易于硬件实现,硬件开销小,还可以通过寄存器配置锐化强度等参数,以实现显示画质的优化和微调,尤其适应于手机等小尺寸TFT-LCD显示终端应用.
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