用AI生成图像中的世界知识,让机器人学会处理模糊任务。
World Knowledge from AI Image Generation for Robot Control
- 利用生成模型的隐含世界知识补全机器人决策空白
- 通过真实场景图像生成,学习物体间合理空间关系
- 适合需要环境理解与灵活决策的机器人应用
机器人在与世界交互时常面临任务描述不明确的问题,需在无标准答案的情况下自主决策。人类可依靠经验填补信息空白,例如将新购买的食材合理放入冰箱。传统方法需显式编码所有规则,但面对海量场景难以实现。而真实世界的图像往往隐含了物体间的合理布局方式,如满冰箱的照片可体现常见摆放逻辑。现代生成模型能根据环境条件生成逼真的现实图像,蕴含人类习惯性空间配置信息。本文探索利用生成式AI系统所具有的现实世界知识,通过其生成能力来解决机器人在任务不明确时的决策难题。
原文摘要 · Abstract (English)
When interacting with the world robots face a number of difficult questions, having to make decisions when given under-specified tasks where they need to make choices, often without clearly defined right and wrong answers. Humans, on the other hand, can often rely on their knowledge and experience to fill in the gaps. For example, the simple task of organizing newly bought produce into the fridge involves deciding where to put each thing individually, how to arrange them together meaningfully, e.g. putting related things together, all while there is no clear right and wrong way to accomplish this task. We could encode all this information on how to do such things explicitly into the robots' knowledge base, but this can quickly become overwhelming, considering the number of potential tasks and circumstances the robot could encounter. However, images of the real world often implicitly encode answers to such questions and can show which configurations of objects are meaningful or are usually used by humans. An image of a full fridge can give a lot of information about how things are usually arranged in relation to each other and the full fridge at large. Modern generative systems are capable of generating plausible images of the real world and can be conditioned on the environment in which the robot operates. Here we investigate the idea of using the implicit knowledge about the world of modern generative AI systems given by their ability to generate convincing images of the real world to solve under-specified tasks.
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