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shylee/
retrieval_tickets_encoders

Name: retrieval_tickets_encoders
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Retrieval Tickets — Contrastive Encoders

Contrastive encoders (ResNet50 + MLP head) trained on LeRobot LIBERO datasets for use in retrieval_tickets RETRIEVAL_SWITCH mode.

Files

Path	Suite	Size
`libero_goal/contrastive_encoder.pt`	LIBERO goal (10 tasks)	~293 MB
`libero_spatial/contrastive_encoder.pt`	LIBERO spatial (10 tasks)	~293 MB
`libero_object/contrastive_encoder.pt`	LIBERO object (10 tasks)	~293 MB

Each: ~25.6M params, ResNet50 backbone with MLP projection head, trained ~500 epochs on LeRobot LIBERO frames with InfoNCE triplet loss + same-camera positive sampling.

Usage

bash

# Pull all 3 (default in retrieval_tickets)
bash scripts/setup_encoder.sh

# Or single suite
bash scripts/setup_encoder.sh goal

After download:

encoders/libero_<suite>/contrastive_encoder.pt

Used in retrieval-switch evaluation:

"encoder_ckpt_path": "encoders/libero_goal/contrastive_encoder.pt"

shylee/retrieval_tickets_encoders

Retrieval Tickets — Contrastive Encoders

Files

Usage

shylee/
retrieval_tickets_encoders