通过均衡腐蚀和均衡膨胀的一次开运算对指定椒盐噪声强度的图像进行去噪操作，自适应选择结构元素大小的选择，包含与中值滤波效果的比较-Corrosion by a balanced expansion of an open and balanced operation of the specified strength of salt and pepper noise image denoising operation, adaptive structure element size options,