用于椒盐脉冲噪声去除的基于方向权重的去除方法，效果很好-For the salt and pepper impulsive noise removal based on the direction weighting method of removing, a good effect

采用热核构造权重，使用拉亚普诺夫指数的公式，ML法能够很好的估计信号的信噪比。- Thermonuclear using weighting factors Raya Punuo Fu index using the formula, ML estimation method can be a good signal to noise ratio.