The information content of panoramic images II: View-based navigation in nonrectangular experimental arenas
The information content of panoramic images II: View-based navigation in nonrectangular experimental arenas
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DOI：
10.1037/0097-7403.34.1.15
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发表时间：
2008-01-01
期刊：
影响因子：
--
通讯作者：
Cheng, Ken
中科院分区：
文献类型：
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作者：
Cheung, Allen;Stuerzl, Wolfgang;Cheng, Ken
最近两项测试大鼠在游泳池中导航的研究对在导航中使用纯空间几何特性的任何解释提出了问题（M. Graham, M. A. Good, A. McGregor, & J. M. Pearce, 2006; J. M. Pearce, M. A. Good, P. M. Jones, & A. McGregor, 2004）。作者在虚拟现实环境中模拟了每项研究的实验，以测试实验结果是否可以通过基于视图的导航来解释。作者在目标位置记录了参考图像，然后确定了该图像与在整个竞技场中规则间隔位置拍摄的图像之间的全局全景图像差异。在正式模型中，智能体试图最小化参考图像和当前视图之间的图像差异，生成的轨迹可以与老鼠的搜索性能进行比较。对于这两个实验，该模型模拟了大鼠行为的许多方面。基于视图的导航为大鼠在这些实验条件下的一系列导航行为提供了充分且简洁的解释。
Two recent studies testing navigation of rats in swimming pools have posed problems for any account of the use of purely geometric properties of space in navigation (M. Graham, M. A. Good, A. McGregor, & J. M. Pearce, 2006; J. M. Pearce, M. A. Good, P. M. Jones, & A. McGregor, 2004). The authors simulated I experiment from each study in a virtual reality environment to test whether experimental results could be explained by view-based navigation. The authors recorded a reference image at the target location and then determined global panoramic image differences between this image and images taken at regularly spaced locations throughout the arena. A formal model, in which an agent attempts to minimize image differences between the reference image and current views, generated trajectories that could be compared with the search performance of rats. For both experiments, this model mimics many aspects of rat behavior. View-based navigation provides a sufficient and parsimonious explanation for a range of navigational behaviors of rats under these experimental conditions.