{ "type": "pi0fast", "n_obs_steps": 1, "normalization_mapping": { "VISUAL": "IDENTITY", "STATE": "MEAN_STD", "ACTION": "MEAN_STD" }, "input_features": { "observation.image": { "type": "VISUAL", "shape": [ 3, 256, 256 ] }, "observation.image2": { "type": "VISUAL", "shape": [ 3, 256, 256 ] }, "observation.image3": { "type": "VISUAL", "shape": [ 3, 256, 256 ] }, "observation.state": { "type": "STATE", "shape": [ 8 ] } }, "output_features": { "action": { "type": "ACTION", "shape": [ 7 ] } }, "chunk_size": 10, "n_action_steps": 5, "max_state_dim": 32, "max_action_dim": 32, "resize_imgs_with_padding": [ 224, 224 ], "interpolate_like_pi": false, "empty_cameras": 0, "adapt_to_pi_aloha": false, "use_delta_joint_actions_aloha": false, "tokenizer_max_length": 48, "proj_width": 1024, "max_decoding_steps": 256, "fast_skip_tokens": 128, "max_input_seq_len": 256, "use_cache": true, "freeze_vision_encoder": true, "freeze_lm_head": true, "optimizer_lr": 0.0001, "optimizer_betas": [ 0.9, 0.95 ], "optimizer_eps": 1e-08, "optimizer_weight_decay": 1e-5, "scheduler_warmup_steps": 1000, "scheduler_decay_steps": 30000, "scheduler_decay_lr": 2.5e-06 }