Image Compression in C#.Net

I am working on creating an Image Manipulation library using C# with MVC3. There is an option where users would be uploading multiple files. These files need to be compressed during transfer to server in order to cut down the upload time and bandwidth usage. We don't want to compromise with the quality and size of the images but do want to compress the images. Can somebody provide links to the articles which can be helpful to compress the images but maintaining their sizes and q开发者_运维百科uality.

Look into an existing uploader with compression. Here's a few

silverlightfileupld (Silverlight)

flexupload (Flash)