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Daniel Ekpo

3 accepted papers

2026

VeriGraph: Scene Graphs for Execution Verifiable Robot Planning

ICRA 2026poster

Recent advancements in vision-language models (VLMs) offer potential for robot task planning, but challenges remain due to VLMs’ tendency to generate incorrect action sequences. To address these limitations, we propose VeriGraph, a novel framework that integrates VLMs for robotic planning while veri…

2025

Imagine, Verify, Execute: Memory-guided Agentic Exploration with Vision-Language Models

CoRL 2025poster

Exploration is key for general-purpose robotic learning, particularly in open-ended environments where explicit guidance or task-specific feedback is limited. Vision-language models (VLMs), which can reason about object semantics, spatial relations, and potential outcomes, offer a promising foundati…

Cited by 0SourceScholar
2025

TREND: Tri-Teaching for Robust Preference-based Reinforcement Learning with Demonstrations

ICRA 2025

Preference feedback collected by human or VLM annotators is often noisy, presenting a significant challenge for preference-based reinforcement learning that relies on accurate preference labels. To address this challenge, we propose TREND, a novel framework that integrates few-shot expert demonstrat

Cited by 6SourceScholar