读取二值图像，转化为稀疏信号，变换到压缩域，然后用压缩感知进行重构。-Read binary image, into sparse signal, transform to the compressed domain, and then use compressed perception reconstruction

在采用不同的减采样过程中，其图像的清晰度和尺寸均发生了变化 灰度级转化 -Save at different sampling process, the image clarity and dimensions are changed gray-scale conversion