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Zero-Shot Learning via Visual Abstraction

机译:通过视觉抽象零拍摄学习

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One of the main challenges in learning fine-grained visual categories is gathering training images. Recent work in Zero-Shot Learning (ZSL) circumvents this challenge by describing categories via attributes or text. However, not all visual concepts, e.g., two people dancing, are easily amenable to such descriptions. In this paper, we propose a new modality for ZSL using visual abstraction to learn difficult-to-describe concepts. Specifically, we explore concepts related to people and their interactions with others. Our proposed modality allows one to provide training data by manipulating abstract visualizations, e.g., one can illustrate interactions between two clipart people by manipulating each person's pose, expression, gaze, and gender. The feasibility of our approach is shown on a human pose dataset and a new dataset containing complex interactions between two people, where we outperform several baselines. To better match across the two domains, we learn an explicit mapping between the abstract and real worlds.
机译:学习细粒度的视觉类别的主要挑战之一是收集培训图像。最近在零拍学习(ZSL)的工作通过通过属性或文本描述类别来避免这一挑战。然而,并非所有视觉概念,例如,两人跳舞,都很容易适用于这种描述。在本文中,我们向ZSL提出了一种使用视觉抽象来学习难以描述的概念的新模式。具体来说,我们探讨与人有关的概念及其与他人的互动。我们所提出的模型允许人们通过操纵抽象可视化来提供培训数据,例如,可以通过操纵每个人的姿势,表达,凝视和性别来说明两个剪贴画之间的相互作用。我们的方法的可行性在人类姿势数据集和一个包含两个人之间的复杂交互的新数据集上显示,我们擅长几个基线。在两个域中更好地匹配,我们学习抽象和现实世界之间的明确映射。

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