标题： 视觉丰富文档上的问答调查：方法、挑战与趋势 显示英文标题

标题： Survey on Question Answering over Visually Rich Documents: Methods, Challenges, and Trends

摘要： 视觉丰富文档理解领域，涉及与视觉丰富文档（无论是扫描的还是原生数字的）进行交互，正在迅速发展，但在处理流程的几个关键方面仍缺乏共识。 在本工作中，我们提供了最先进的方法的全面概述，强调它们的优势和局限性，指出了该领域的主要挑战，并提出了有前景的研究方向。 显示英文摘要

摘要： The field of visually-rich document understanding, which involves interacting with visually-rich documents (whether scanned or born-digital), is rapidly evolving and still lacks consensus on several key aspects of the processing pipeline. In this work, we provide a comprehensive overview of state-of-the-art approaches, emphasizing their strengths and limitations, pointing out the main challenges in the field, and proposing promising research directions.