可以用来计算MTF值，用matlab编写的，数据文件需要为Excel格式。-MTF can be used to calculate the value, using matlab prepared.

安照标准格式给出数据信息excel文档，可以处理数据并形成可视化模型，包含原始excel文档与m文件-Security is given according to standard format data excel document, can handle data and develop visual models, including the original excel file documents and m

处理ppm格式的mame文件，输出其直方图，生成Excel格式的文件-Mame ppm file format handling, output the histogram to generate Excel file format