Results 4 issues of ys_cv

hi,I run the demo in cross_view_transformers/scripts/example.ipynb,but I find the difference between paper‘s figure and the outputs'result , the figures are as fowllows: ![image](https://user-images.githubusercontent.com/23189201/172120059-bf6a8c63-3539-476b-8e4d-c6a1a791e7e1.png) ![image](https://user-images.githubusercontent.com/23189201/172120134-5453a089-c6f8-47ed-8a13-18a7ed3f7ca7.png) in my opinion, if we get...