I want to get back all my photos because of my iphone restore and then restore last back up copy, still 10 days photos cannot get it back.

I use windows vista, is there anyway can i get disk image of iphone someone mentioned

dd if=/dev/disk0 | ssh <username>@<computer-ip> 'dd of=iphone-dump.img'

can i run the above command on winscp command mode to get disk dump.