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因果引导的共同注意网络用于视觉问题答案.

Jiali Miao1, Kui Yu1, Baofu Fang2

  • 1Key Laboratory of Knowledge Engineering with Big Data (the Ministry of Education of China), Hefei University of Technology, Hefei, 230601, China; School of Computer Science and Information Engineering, Hefei University of Technology, Hefei, 230601, China.

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概括

因果引导协同注意网络 (CGCN) 通过区分有影响力的和支持的对象特征来改善视觉问题答案 (VQA). 这种方法增强了多式联络学习,以更好地基于图像回答问题.

关键词:
因果关系是因果关系.共同注意网络 共同注意网络这是马尔科夫毯子.多模态表示多模态表示视觉问题解答 视觉问题解答

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科学领域:

  • 计算机视觉 计算机视觉
  • 人工智能的人工智能
  • 自然语言处理自然语言处理.

背景情况:

  • 视觉问题答案 (VQA) 对多式联络人工智能至关重要,它利用视觉和语言理解.
  • 当前的VQA模型与杂乱的图像扎,因为自我注意力机制无法将注意力集中在相关对象上.
  • 专注于相关对象可能是有害的,而背景特征有时可以帮助性能.

研究的目的:

  • 解决复杂视觉场景的VQA模型中自我注意的局限性.
  • 开发一个新的网络,有效地利用相关和支持的视觉特征.
  • 通过改进多式模式表示学习来提高VQA系统的准确性.

主要方法:

  • 提出了因果导向协同注意网络 (CGCN),这是一个层次化的颗粒状视觉特征注意网络.
  • 引入了一个因果图来建模对象特征关系,将它们分类为有影响的对象特征 (IOF) 和支持的对象特征 (SOF).
  • 开发了一种因果关系启发的共同注意力机制,以因果图为指导,用于交叉模式学习和双输出融合方法.

主要成果:

  • 在视觉问题答案任务中,CGCN显著提高了性能.
  • 拟议的方法显示了对相关视觉信息的关注能力的提高,同时结合了支持功能.
  • 实验结果验证了VQA的因果关系引导方法的有效性.

结论:

  • CGCN提供了一种有希望的方法来克服VQA中的挑战,特别是在许多重叠对象的场景中.
  • 区分和利用IOF和SOF有效地提高了多式联运特征表示和融合.
  • 因果导向的共同注意力机制代表了VQA模型开发的重大进步.