使用噪声二函数对图像加上辣椒和盐粒噪声，再使用空间滤波器对噪声图像进行复原。-function using two pairs of noise images with salt and pepper noise, and the use of space for the noise filter image recovery.

Qt中使用Qwt实现静态图像的移动与缩放: 鼠标右键恢复上一级 ctrl+鼠标右键 恢复原始状态 鼠标左键 放大 ctrl+鼠标左键 移动图像-Qt is used Qwt mobile and zooming still images: Right-level recovery on the right mouse button to restore the original state ctrl+ left mouse button left mouse button to