有没有办法在.NET中快速将jpeg调整为其原始大小的1/8？

And hopefully with as little loss as possible, as I've heard the implementation put forward by a guy named Guido Vollbeding. Standard GDI+ doesn't seem to have this capability, and all I've found so far are either specs or fully-integrated tools. A lean, pluggable .NET component would be highly desirable. What are common pitfalls if it comes to that I have implement it myself?And hopefully with as little loss as possible,