Both LE-TREM and C-TREM have good performance to deal with salt and pepper noise, which ability comes from their way measuring grayscale level information.

• 两种方法都具有很好的抗椒盐噪声性能,其抗噪性能的本质在于两种参数都是对局部邻域灰度层次信息的统计,对于灰度幅值的变化不敏感。