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README.md

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Comparison of baselines

We compare the following third party baselines, which are cloned into the repository as git submodules at ../../3rdparty. In addition, we have included the core agent implementation in this directory to have a standardized comparison using the same leaderboard evaluator. The evaluation scripts are under the ../../scripts/eval_expert directory. For more information on running the baselines, refer to the README.md files under the subdirectory corresponding to your method of interest.

Method Roach Mile TransFuser TCP InterFuser TF++
Expert Roach Roach - Roach - -
Training of expert RL with privileged
information as observation
Pretrained Roach Rule-based expert Pretrained Roach Rule-based expert Rule-based expert

TL;DR TransFuser integrates image and LiDAR inputs by applying transformers at multiple resolutions to fuse perspective view and bird’s eye view feature maps. They also propose the Longest6 benchmark for offline evaluation on CARLA.

TL;DR Driving models typically predict either 1) waypoints of a trajectory or 2) direct control (velocity). TCP combines the two approaches, keeping the benefit of multi-step predictions from 1 while making the control problem end-to-end trainable like 2.

TCP has two prediction branches - a trajectory branch which predicts K future waypoints, and a control branch which makes multi-step control predictions (e.g. velocity). The control branch receives guidance from the trajectory branch at each time step. The outputs from two branches are fused to achieve complementary advantages.

TL;DR InterFuser processes and fuses information from multimodal multi-view sensors for comprehensive scene understanding and adversarial event detection.