arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2004.05381cs.LGcs.CVstat.ML
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室内环境中的贝叶斯惊奇

Bayesian Surprise in Indoor Environments

LMU Munich(慕尼黑大学);MaibornWolff(MaibornWolff公司)

Sebastian Feld, Andreas Sedlmeier, Markus Friedrich, Jan Franz, Lenz Belzner

摘要:

本文提出了一种新的方法来识别意外结构的二维平面图使用贝叶斯惊喜的概念。考虑到一个人的期望是感知空间的一个重要方面,我们利用贝叶斯惊喜的理论来鲁棒模型的期望,从而在建筑结构的背景下惊喜。我们使用Isovist分析,这是一种流行的空间语法技术,把定性的对象属性转化为定量的环境信息。由于等视线是特定于位置的可见性模式,因此等视线序列描述了沿着空间中的多个点移动期间的空间感知。然后,我们在由这些isovist读数组成的特征空间中使用贝叶斯惊喜。为了证明我们的方法的适用性,我们采取“快照”的代理的本地环境,以提供一个简短的列表的图像,通过一个二维室内环境的遍历轨迹的特征。这些指纹代表了旅游中令人惊讶的区域,表征了遍历的地图,并使室内LBS能够更多地关注重要区域。鉴于这一想法,我们建议使用“惊喜”作为一个新的方面的背景下,在室内基于位置的服务(LBS)。LBS的代理,诸如移动机器人或计算机游戏中的非玩家角色,可以使用上下文惊奇来更多地关注地图的重要区域,以便更好地使用或理解平面图。

英文摘要:

This paper proposes a novel method to identify unexpected structures in 2D floor plans using the concept of Bayesian Surprise. Taking into account that a person's expectation is an important aspect of the perception of space, we exploit the theory of Bayesian Surprise to robustly model expectation and thus surprise in the context of building structures. We use Isovist Analysis, which is a popular space syntax technique, to turn qualitative object attributes into quantitative environmental information. Since isovists are location-specific patterns of visibility, a sequence of isovists describes the spatial perception during a movement along multiple points in space. We then use Bayesian Surprise in a feature space consisting of these isovist readings. To demonstrate the suitability of our approach, we take "snapshots" of an agent's local environment to provide a short list of images that characterize a traversed trajectory through a 2D indoor environment. Those fingerprints represent surprising regions of a tour, characterize the traversed map and enable indoor LBS to focus more on important regions. Given this idea, we propose to use "surprise" as a new dimension of context in indoor location-based services (LBS). Agents of LBS, such as mobile robots or non-player characters in computer games, may use the context surprise to focus more on important regions of a map for a better use or understanding of the floor plan.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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