I’m currently working on storing pixels in XML format using Matlab. The problem is that I have no idea about data storage under XML. Can any expert please give me some guidelines? Any relevant materials are welcome and appreciated. Thanks!!
Here’s a start for your research. It’s a bit old so you’ll want to read more up-to-date information, but it’s not a bad introduction.
You might also look at the answers to this question which cover some of what you are concerned with.