Training on all classs of KITTI

[abhigoku10]

@happinesslz thanks for opesourcing the code base , i have qurey on the trained model

1. We have two models one for vehicle and one for person , can we train TANet on KITTI dataset for all the classes with one model
2. Does the accuracy drop when trained on all the class for the kitti data

Please share ur thoughts and thanks in advance