Why the joint positions of MPII and human3.6m data the authors provided are inconsistent ？？？

[chaytonmin]

why the joint positions of MPII and human3.6m datasets the authors provided are inconsistent ？？？

This is the result of the MPII and human3.6m datasets the authors provided:

[NguyenDangBinh]

dear @chaytonmin,
can you help me to install caffe? thank you so much.

[flurrux]

@NguyenDangBinh
follow this guide if you are on ubuntu:
https://gist.github.com/nikitametha/c54e1abecff7ab53896270509da80215

[NguyenDangBinh]

dear @flurrux,
In this repo, How to install Matlab and the others.

[kezewang]

dear @chaytonmin,
Could you give me more details?