Objects and their relationships are critical contents for image understanding. A scene graph provides a structured description that captures these properties of an image. However, reasoning about the relationships between objects is very challenging and only a few recent works have attempted to solve the problem of generating a scene graph from an image. In this paper, we present a method that improves scene graph generation by explicitly modeling inter-dependency among the entire object instances. We design a simple and effective relational embedding module that enables our model to jointly represent connections among all related objects, rather than focus on an object in isolation. Our method significantly benefits the main part of the scene graph generation task: relationship classification. Using it on top of a basic Faster R-CNN, our model achieves state-of-the-art results on the Visual Genome benchmark. We further push the performance by introducing global context encoding module and geometrical layout encoding module. We validate our final model, LinkNet, through extensive ablation studies, demonstrating its efficacy in scene graph generation.

本文提出了一种改进场景图生成的方法，通过显式建模整个对象实例的相互依赖关系，设计了一种简单而有效的关系嵌入模块，使我们的模型能够联合表示所有相关对象之间的连接，而不是只关注单个对象。在基本 Faster R-CNN 的基础上使用它，我们的模型在 Visual Genome 基准测试上取得了最先进的结果。通过引入全局上下文编码模块和几何布局编码模块，我们进一步提高了性能。在广泛的消融研究中，我们验证了我们的最终模型LinkNet在场景图生成方面的效果。

LinkNet：场景图的关系嵌入