Explain coding computer vision please

From https://www.youtube.com/watch?v=bRcX8l17ayU&t=663s or name of video "Object Detection: Part 1 | Student Competition: Computer Vision Training" from 12.45

Since I just started using matlab and I am studying about detection object in image. I want to know:

What is xml file ???

What is I?, How can i create it?

Can all of you explain to me???

I'm stressed and worried for now (T_T)

Thanks you very much.

P.S. I'm sorry for my english skills.

Answer 1

[Image Analyst]

See the Image Segmentation Tutorial in my File Exchange. That will be a good start.

I'll try to look at the video later and try it and maybe attach the files back here.

[Thasanakorn Mangoen]

Oh Thanks you very much. I started to have hope. (:D)