GR00T-N1.7-3B โ€” OMX Pick-up-Dolls (Cosmos-Augmented)

NVIDIA GR00T N1.7-3B๋ฅผ Open Manipulator-X(5-DoF + ๊ทธ๋ฆฌํผ) "์ธํ˜• ์ง‘์–ด ์˜ฎ๊ธฐ๊ธฐ" ํƒœ์Šคํฌ์— ํŒŒ์ธํŠœ๋‹ํ•œ VLA ์ •์ฑ… ๋ชจ๋ธ์ž…๋‹ˆ๋‹ค. ์›๋ณธ ํ…”๋ ˆ์˜คํผ๋ ˆ์ด์…˜ ์‹œ์—ฐ 75๊ฐœ๋ฅผ Cosmos-Transfer2.5 ๊ธฐ๋ฐ˜ ์™ธ๊ด€ ์ฆ๊ฐ•์œผ๋กœ 525 ์—ํ”ผ์†Œ๋“œ๋กœ ํ™•์žฅํ•ด ํ•™์Šตํ–ˆ์Šต๋‹ˆ๋‹ค.

ํ•™์Šต ๋ฐ์ดํ„ฐ

๊ตฌ์„ฑ ๋‚ด์šฉ
์›๋ณธ 75 ์—ํ”ผ์†Œ๋“œ (์ „์ฒด ๊ธธ์ด, ~30Hz)
์ฆ๊ฐ• 450 ์ฒญํฌ (93ํ”„๋ ˆ์ž„/3์ดˆ, Cosmos-Transfer2.5๋กœ ๋ฐฐ๊ฒฝยท์กฐ๋ช…ยท์ƒ‰์ƒ ๋ณ€ํ˜•)
ํ˜ผํ•ฉ๋น„ ์›๋ณธ:์ฆ๊ฐ• = 67:33 (ํ”„๋ ˆ์ž„ ๊ฐ€์ค‘)

ํ•™์Šต ์„ค์ •

  • Base: nvidia/GR00T-N1.7-3B, embodiment tag NEW_EMBODIMENT (๋ฐฑ๋ณธ ๋™๊ฒฐ, DiT ์•ก์…˜ ํ—ค๋“œ ํ•™์Šต)
  • 14,000 ์Šคํ…, global batch 32 โ€” holdout ๊ฒ€์ฆ์œผ๋กœ ํ™•์ •ํ•œ ์ตœ์  ํ•™์Šต๋Ÿ‰ (๋ฏธํ•™์Šต ์‹œ์—ฐ 5๊ฐœ ๊ธฐ์ค€ ๊ณผ์ ํ•ฉ ์‹œ์ž‘์  โ‰ˆ14k ๊ด€์ธก ํ›„ ์ „์ฒด ๋ฐ์ดํ„ฐ๋กœ ์žฌํ•™์Šต)
  • ์•ก์…˜: ๊ด€์ ˆ RELATIVE / ๊ทธ๋ฆฌํผ ์ ˆ๋Œ€๊ฐ’, 16์Šคํ… ์ฒญํฌ(0.53์ดˆ)

ํ‰๊ฐ€ (open-loop, MSE)

ํ‰๊ฐ€ ์„ธํŠธ MSE MAE
์›๋ณธ ๊ถค์  0.0064 0.047
๋ณ€ํ˜• ์™ธ๊ด€ (์ฆ๊ฐ• ๊ฒ€์ฆ) 0.0040 0.031
๋ฏธํ•™์Šต ์‹œ์—ฐ (holdout, 520 eps ํ•™์Šต ๋ชจ๋ธ ๊ธฐ์ค€) 0.0103 0.057

๋ฒ ์ด์Šค๋ผ์ธ(์›๋ณธ 75 eps๋งŒ ํ•™์Šต) ๋Œ€๋น„ ๋ณ€ํ˜• ์™ธ๊ด€์—์„œ MSE 36% ๊ฐœ์„ .

์‚ฌ์šฉ๋ฒ•

from gr00t.policy.gr00t_policy import Gr00tPolicy

policy = Gr00tPolicy(
    embodiment_tag="new_embodiment",
    model_path="pseudolab/GR00T-N1.7-3B-OMX-PickupDolls",
    device="cuda",
)
action_chunk, _ = policy.get_action(obs)

๊ด€์ธก ํ˜•์‹: video.webcam (1,H,W,3) uint8, state.single_arm (1,5), state.gripper (1,1), annotation.human.task_description (ํ•™์Šต ์ง€์‹œ๋ฌธ๊ณผ ๋™์ผ). modality ์„ค์ •์€ ๋™๋ด‰๋œ omx_f_config.py ์ฐธ์กฐ (Isaac-GR00T ๋ฆฌํฌ ํ•„์š”).

ํŒŒ์ผ ๊ตฌ์„ฑ

  • model-*.safetensors + index โ€” ๋ชจ๋ธ ๊ฐ€์ค‘์น˜ (3 ์ƒค๋“œ, ~12GB)
  • config.json, processor_config.json, statistics.json, embodiment_id.json โ€” ์ถ”๋ก  ์„ค์ •ยท์ •๊ทœํ™” ํ†ต๊ณ„
  • experiment_cfg/ โ€” ํ•™์Šต ๋‹น์‹œ ์„ค์ • ์Šค๋ƒ…์ƒท (์žฌํ˜„์šฉ)
  • omx_f_config.py โ€” modality ์„ค์ • (๋ฐ์ดํ„ฐ์…‹ ์žฌ๊ตฌ์ถ•ยทํด๋ผ์ด์–ธํŠธ ๊ตฌํ˜„ ์ฐธ์กฐ์šฉ)
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