实现对HDF5遥感数据的读写,包括数据格式的查看，数据读取，输出图像，图例等-HDF5 remote sensing data read and write, including data format to view, data is read, the output image, legends, etc.

此matlab代码实现的功能是将jpg格式图片存储成hdf5格式的数据-Matlab code for this function is to store image data into a format jpg format hdf5