If the dd image is raw (so you didn't compress it) you should be able to mount it. I think Linux should allow you to do that but I am not familiar enough with Linux to tell you how.
In Windows, winimage may be able to do it (I'd try if I were you)? Wait; this may be what you want (if using Windows): http://osforensics.com/tools/mount-disk-images.html
If the volume captured was corrupt however, you may need something like our iRecover to rebuild a virtual file system and extract data.