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arXiv 2305.08232cs.CV
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结合街景图像的对象地理定位与高度估计

Combining geolocation and height estimation of objects from street level imagery

Maynooth University(梅努斯大学);Dublin City University(都柏林城市大学);Trinity College Dublin(都柏林圣三一学院)

Matej Ulicny, Vladimir A. Krylov, Julie Connelly, Rozenn Dahyot

AI总结:

提出一种基于街景图像的多类对象地理定位与高度估计流程,利用马尔可夫随机场优化和定制CNN,在排水口和道路标志上实现低于20厘米的平均高度误差。

摘要:

我们提出了一种从街景RGB图像中结合多类对象地理定位与高度估计的流程,该流程将街景图像视为唯一可用的输入数据模态。我们的解决方案通过马尔可夫随机场优化实现,并产生确定性输出。所提技术利用图像元数据以及由定制训练的卷积神经网络在图像平面中检测到的对象坐标。使用我们的方法计算对象高度,除了对象地理定位外,对整体计算成本的影响可忽略不计。实验证明,对于排水口和道路标志,我们实现了平均高度估计误差低于20厘米的准确性。

英文摘要:

We propose a pipeline for combined multi-class object geolocation and height estimation from street level RGB imagery, which is considered as a single available input data modality. Our solution is formulated via Markov Random Field optimization with deterministic output. The proposed technique uses image metadata along with coordinates of objects detected in the image plane as found by a custom-trained Convolutional Neural Network. Computing the object height using our methodology, in addition to object geolocation, has negligible effect on the overall computational cost. Accuracy is demonstrated experimentally for water drains and road signs on which we achieve average elevation estimation error lower than 20cm.

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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