QccPackSPECK也是重要的嵌入式编码方法，在小波编码中具有重要应用。这个代码3d-speck也是应用于三维小波体数据压缩的代码。-QccPackSPECK is also an important embedded coder, which is vital in wavelet coding. this 3d-speck sourcecode is very useful for people who process 3d volume data