nPSize VSL images as 2D arrays

VSL.zip are 2D arrays, to be extracted in the following directory: /dataset/images/VSL to build /dataset/images/VSL/[VSL_images.h5] Note: h5 is a compressed format, to uncompress.VSL.zip 压缩包中的内容为二维数组，需将其解压至以下目录：/dataset/images/VSL，以构建/dataset/images/VSL/[VSL_images.h5]。注意：h5为压缩格式，需执行解压操作。