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lbenhorin
215 lines
7.2 KiB
Plaintext
215 lines
7.2 KiB
Plaintext
# GR00T Policy
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GR00T is an NVIDIA foundation model family for generalized humanoid robot reasoning and skills. It is a cross-embodiment policy that accepts multimodal input, including language, images, and proprioception, to perform manipulation tasks in diverse environments.
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LeRobot integrates GR00T N1.7 through the `groot` policy type.
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> [!WARNING]
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> **Breaking change:** GR00T N1.5 support was removed from LeRobot, and current releases support GR00T N1.7 only. N1.5 checkpoints and configs are rejected with a migration note. To keep using an N1.5 checkpoint, pin the last release that supports it: `pip install 'lerobot==0.5.1'`. To use the current release, migrate to GR00T N1.7 (base model [`nvidia/GR00T-N1.7-3B`](https://huggingface.co/nvidia/GR00T-N1.7-3B)).
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## Model Overview
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GR00T N1.7 uses a Cosmos-Reason2/Qwen3-VL backbone and provides checkpoints for SimplerEnv, DROID, and LIBERO.
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Developers and researchers can post-train GR00T with their own real or synthetic data to adapt it for specific humanoid robots or tasks.
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GR00T uses pre-trained vision and language encoders with a flow matching action transformer to model a chunk of actions conditioned on vision, language, and proprioception.
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<img
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src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/lerobot/lerobot-groot-paper1%20(1).png"
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alt="An overview of GR00T"
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width="80%"
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/>
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Its strong performance comes from being trained on an expansive and diverse humanoid dataset, which includes:
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- Real captured data from robots.
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- Synthetic data generated using NVIDIA Isaac GR00T Blueprint.
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- Internet-scale video data.
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This approach allows the model to be highly adaptable through post-training for specific embodiments, tasks, and environments.
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## Installation Requirements
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GR00T is intended for NVIDIA GPU-accelerated systems. Install LeRobot with the GR00T extra:
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```bash
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pip install "lerobot[groot]"
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```
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For a source checkout:
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```bash
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pip install -e ".[groot]"
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```
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## Usage
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To use GR00T N1.7:
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```bash
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--policy.type=groot
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```
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## Training
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### Training Command Example
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Here's a complete training command for finetuning the base GR00T model on your own dataset:
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This command is using the `new_embodiment` flag, which is used for the SO-101 robot, [read more about how GR00T handles different embodiments.](https://github.com/NVIDIA/Isaac-GR00T/blob/main/getting_started/policy.md#--embodiment-tag).
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```bash
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# install extra deps for training
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pip install "lerobot[training]"
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hf auth login
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wandb login
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export DATASET_NAME=your_data_set
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export HF_USER=your_hf_username
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export DATASET=$HF_USER/$DATASET_NAME
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export REPO_ID="${DATASET}_GR00T17" #this is the model that will be uploaded to huggingface
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export OUTPUT_DIR=outputs/train/$REPO_ID
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lerobot-train \
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--dataset.repo_id=$DATASET \
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--dataset.image_transforms.enable=true \
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--policy.type=groot \
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--policy.device=cuda \
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--policy.base_model_path=nvidia/GR00T-N1.7-3B \
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--policy.embodiment_tag=new_embodiment \
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--policy.chunk_size=16 \
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--policy.n_action_steps=16 \
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--policy.use_relative_actions=true \
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--policy.relative_exclude_joints='["gripper"]' \
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--policy.use_bf16=true \
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--policy.push_to_hub=true \
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--policy.repo_id=$REPO_ID \
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--seed=42 \
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--batch_size=64 \
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--steps=20000 \
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--save_checkpoint=true \
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--save_freq=5000 \
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--use_policy_training_preset=true \
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--env_eval_freq=0 \
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--eval_steps=0 \
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--log_freq=10 \
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--output_dir=$OUTPUT_DIR \
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--job_name=$DATASET \
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--wandb.enable=true \
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--wandb.disable_artifact=true
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```
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## Performance Results
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### LIBERO Benchmark Results
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> [!NOTE]
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> Follow the [LIBERO](./libero) setup instructions before running `lerobot-eval`.
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GR00T N1.7 has demonstrated strong performance on the LIBERO benchmark suite. To reproduce LeRobot results, follow the instructions in the [LIBERO](./libero) section.
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### Train on LIBERO
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Example training command for a LIBERO suite (here `libero_spatial`):
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```bash
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lerobot-train \
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--dataset.repo_id=IPEC-COMMUNITY/libero_spatial_no_noops_1.0.0_lerobot \
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--dataset.root=/datasets/libero_spatial \
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--dataset.revision=main \
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--dataset.video_backend=pyav \
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--policy.type=groot \
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--policy.base_model_path=nvidia/GR00T-N1.7-3B \
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--policy.embodiment_tag=libero_sim \
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--policy.push_to_hub=false \
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--policy.max_steps=20000 \
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--batch_size=320 \
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--steps=20000 \
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--save_freq=2000 \
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--env_eval_freq=0 \
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--eval_steps=0 \
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--log_freq=10 \
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--wandb.enable=true \
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--wandb.project=lerobot \
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--wandb.mode=online \
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--wandb.disable_artifact=true \
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--num_workers=4 \
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--prefetch_factor=2 \
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--persistent_workers=true \
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--output_dir=$OUTPUT_DIR \
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--job_name=$JOB_NAME \
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--dataset.image_transforms.enable=true \
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--dataset.image_transforms.max_num_transforms=4 \
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--dataset.image_transforms.tfs='{"brightness":{"weight":1.0,"type":"ColorJitter","kwargs":{"brightness":[0.7,1.3]}},"contrast":{"weight":1.0,"type":"ColorJitter","kwargs":{"contrast":[0.6,1.4]}},"saturation":{"weight":1.0,"type":"ColorJitter","kwargs":{"saturation":[0.5,1.5]}},"hue":{"weight":1.0,"type":"ColorJitter","kwargs":{"hue":[-0.08,0.08]}}}'
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```
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### GR00T N1.7 LIBERO Results
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Preliminary LeRobot integration results (GR00T-LeRobot, `eval.n_episodes >= 50` per suite):
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| Suite | Success rate |
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| ---------------------- | -----------: |
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| LIBERO Spatial | 94% |
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| LIBERO Object | 98% |
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| LIBERO Goal | 93% |
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| LIBERO 10 (Long) | 90% |
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| **Average** | **93.75%** |
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```bash
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export MODEL_ID=your_trained_model_on_huggingface
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lerobot-eval \
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--policy.type=groot \
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--policy.base_model_path=$MODEL_ID \
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--policy.embodiment_tag=libero_sim \
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--env.type=libero \
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--env.task=libero_spatial \
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--eval.n_episodes=50
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```
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Use `eval.n_episodes >= 50` per suite when reporting success rates.
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### Evaluate in your hardware setup
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Once you have trained your model using your parameters you can run inference in your downstream task. Follow the instructions in [Policy Deployment (lerobot-rollout)](./inference). For example:
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```bash
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# install extra deps for roullout and real hardware
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pip install "lerobot[feetech,viz]"
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export MODEL_ID=your_trained_model_on_huggingface
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# make sure that camera index matches your setup!
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# find index using `uv run lerobot-find-cameras opencv`
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WRIST_CAM='wrist: {type: opencv, index_or_path: 2, width: 640, height: 480, fps: 30, fourcc: "MJPG"}'
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FRONT_CAM='front: {type: opencv, index_or_path: 0, width: 640, height: 480, fps: 30, fourcc: "MJPG"}'
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export ROBOT_CAMERAS="{ $WRIST_CAM, $FRONT_CAM }"
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export ROBOT_ID=follower_robot
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export ROBOT_PORT=/dev/ttyACM0
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uv run lerobot-rollout \
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--strategy.type=base \
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--policy.path=$MODEL_ID \
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--policy.base_model_path=nvidia/GR00T-N1.7-3B \
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--policy.n_action_steps=8 \
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--robot.type=so101_follower \
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--robot.port=$ROBOT_PORT \
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--robot.id=$ROBOT_ID \
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--robot.cameras="$ROBOT_CAMERAS" \
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--task="place the vial in the rack" \
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--duration=60 \
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--device=cuda \
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--display_data=true \
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--inference.type=rtc \
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--inference.rtc.enabled=false \
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--inference.rtc.execution_horizon=8 \
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--inference.queue_threshold=0
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```
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## License
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GR00T N1.7 is released under the [NVIDIA Open Model License Agreement](https://www.nvidia.com/en-us/agreements/enterprise-software/nvidia-open-model-license/).
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