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ARXIV:2603.14811 · COLLABORATIVE AI · SUBMITTED 02 APR · 02:30 UTC · FRESHNESS STALE
ARXIV:2603.14811COLLABORATIVE AISUBMITTED 02 APR · 02:30 UTCFRESHNESS STALEarXiv
Ego-to-World (E2W) benchmark and CoRL framework enhance collaborative spatial reasoning in multi-agent systems.
Opportunity summary
Pain Ego-to-World (E2W) benchmark and CoRL framework enhance collaborative spatial reasoning in multi-agent systems.
Evidence 0 refs | 0 sources | 17% coverage
Blocker Evidence unverified
Ego-to-World (E2W) benchmark and CoRL framework enhance collaborative spatial reasoning in multi-agent systems. Each agent perceives the environment through an ego-centric view that is often limited by occlusion and ambiguity.
Understanding the world from distributed, partial viewpoints is a fundamental challenge for embodied multi-agent systems. Each agent perceives the environment through an ego-centric view that is often limited by occlusion and ambiguity.
ScienceToStartup currently rates this 7.0/10 on the public viability pass. Experiments on E2W show that CoRL consistently surpasses strong proprietary and open-source baselines on both reasoning and perception-grounding metrics, while ablations further confirm the…
Collaborative AI moved forward this cycle; last verified April 2026. Public score 7.0/10.
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Ego-to-World (E2W) benchmark and CoRL framework enhance collaborative spatial reasoning in multi-agent systems.
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10.48550/arXiv.2603.14811Ego-to-World (E2W) benchmark and CoRL framework enhance collaborative spatial reasoning in multi-agent systems.
Abstract
Understanding the world from distributed, partial viewpoints is a fundamental challenge for embodied multi-agent systems. Each agent perceives the environment through an ego-centric view that is often limited by occlusion and ambiguity. To study this problem, we introduce the Ego-to-World (E2W) benchmark, which evaluates a vision-language model's ability to fuse heterogeneous viewpoints across three tasks: (i) global counting, (ii) relational location reasoning, and (iii) action-oriented grasping that requires predicting view-specific image coordinates. To address this setting, we propose CoRL, a two-stage framework that combines Chain-of-Thought supervised fine-tuning with reinforcement learning using Group-Relative Policy Optimization. Its core component, the Cross-View Spatial Reward (CVSR), provides dense task-aligned feedback by linking reasoning steps to visual evidence, ensuring coherent cross-view entity resolution, and guiding the model toward correct final predictions. Experiments on E2W show that CoRL consistently surpasses strong proprietary and open-source baselines on both reasoning and perception-grounding metrics, while ablations further confirm the necessity of each CVSR component. Beyond that, CoRL generalizes to external spatial reasoning benchmarks and enables effective real-world multi-robot manipulation with calibrated multi-camera rigs, demonstrating cross-view localization and successful grasp-and-place execution. Together, E2W and CoRL provide a principled foundation for learning world-centric scene understanding from distributed, ego-centric observations, advancing collaborative embodied AI.
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Dimensions overall score 7.0
PROBLEM
Ego-to-World (E2W) benchmark and CoRL framework enhance collaborative spatial reasoning in multi-agent systems. Each agent perceives the environment through an ego-centric view that is often limited by occlusion and ambiguity.
METHOD
Understanding the world from distributed, partial viewpoints is a fundamental challenge for embodied multi-agent systems. Each agent perceives the environment through an ego-centric view that is often limited by occlusion and ambiguity.
RESULT
ScienceToStartup currently rates this 7.0/10 on the public viability pass. Experiments on E2W show that CoRL consistently surpasses strong proprietary and open-source baselines on both reasoning and perception-grounding metrics, while ablations further confirm the necessity of e...
WHY NOW
Collaborative AI moved forward this cycle; last verified April 2026. Public score 7.0/10.
Abstract-backed public claims while anchored extraction refreshes.
Ego-to-World (E2W) benchmark and CoRL framework enhance collaborative spatial reasoning in multi-agent systems. Each agent perceives the environment through an ego-centric view that is often limited by occlusion and ambiguity.
Abstract-backed fallback claim; anchored extraction has not materialized a public claim row yet.
partial
Understanding the world from distributed, partial viewpoints is a fundamental challenge for embodied multi-agent systems. Each agent perceives the environment through an ego-centric view that is often limited by occlusion and ambiguity.
Abstract-backed fallback claim; anchored extraction has not materialized a public claim row yet.
partial
ScienceToStartup currently rates this 7.0/10 on the public viability pass. Experiments on E2W show that CoRL consistently surpasses strong proprietary and open-source baselines on both reasoning and perception-grounding metrics, while ablations further confirm the necessity of each CVSR component.
Abstract-backed fallback claim; anchored extraction has not materialized a public claim row yet.
partial
Collaborative AI moved forward this cycle; last verified April 2026. Public score 7.0/10.
Abstract-backed fallback claim; anchored extraction has not materialized a public claim row yet.
partial
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Ego-to-World (E2W) benchmark and CoRL framework enhance collaborative spatial reasoning in multi-agent systems.
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Collaborative AI
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7.0/10 public viability
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