10 Open Challenges Steering the Future of Vision-Language-Action Models
Soujanya Poria
Abstract
VLA models, combining vision, language, and action, are advancing through milestones like multimodality, reasoning, and safety, with trends focusing on spatial understanding and human coordination.
Due to their ability of follow natural language instructions, vision-language-action (VLA) models are increasingly prevalent in the embodied AI arena, following the widespread success of their precursors -- LLMs and VLMs. In this paper, we discuss 10 principal milestones in the ongoing development of VLA models -- multimodality, reasoning, data, evaluation, cross-robot action generalization, efficiency, whole-body coordination, safety, agents, and coordination with humans. Furthermore, we discuss the emerging trends of using spatial understanding, modeling world dynamics, post training, and data synthesis -- all aiming to reach these milestones. Through these discussions, we hope to bring attention to the research avenues that may accelerate the development of VLA models into wider acceptability.
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10 Open Challenges Steering the Future of Vision-Language-Action Models
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