The Art of Interrogation: Consistency Amplifies Factuality in Spatial Reasoning
Quick Answer
This paper introduces a self-supervised reinforcement learning framework to enhance spatial reasoning in Large Reasoning Models (LRMs) without ground-truth annotations.
Quick Take
By implementing consistency verifiers and an optimal transport-based RL strategy, OT-, the approach achieves accuracy comparable to supervised models while improving generalization across various tasks.
Key Points
- Current LRMs struggle with spatial reasoning tasks, often relying on supervised fine-tuning.
- The proposed framework uses self-supervised reinforcement learning to enhance internal reasoning.
- Consistency verifiers check geometric and semantic consistency, improving model performance.
- OT-GRPO is a new RL strategy tailored for pairwise verifiers, optimizing spatial reasoning.
- This approach achieves accuracy similar to ground-truth supervised models across diverse tasks.
Paper Resources
Source Excerpt
arXiv:2606. 11918v1 Announce Type: new Abstract: Current Large Reasoning Models (LRMs) exhibit remarkable general capabilities but significantly underperform in spatial reasoning tasks. Existing approaches treat this gap as a knowledge deficit, relying on supervised fine-tuning (SFT) to ingest labeled spatial data from external vision sources or synthetic engines.
In contrast, we argue that for many tasks, spatial reasoning capabilities are already present in pre-trained LRMs but require alignment through logical coherence under geometric 2D and 3D constraints. …
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