* Update README.md
Add description of RECT
* [Example] Add implementation of RECT
[Example] Add implementation of RECT
* Update classify.py
Modify the class names and the function names mentioned above
* Update main.py
Modify the function names mentioned above
* Update label_utils.py
Adjust the comments
* Update README.md
Add the github information
Co-authored-by: Tianjun Xiao <xiaotj1990327@gmail.com>