地图数据处理方法及装置
By evaluating the confidence information of map elements and the correlation between reference elements, and utilizing the confidence covariance matrix and diversity calculation, the problem of insufficient map update accuracy in crowdsourced data collection is solved, achieving higher-precision map updates.
CN115146007BActive Publication Date: 2026-07-17YINWANG INTELLIGENT TECHNOLOGIES CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- YINWANG INTELLIGENT TECHNOLOGIES CO LTD
- Filing Date
- 2021-03-18
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Traditional map update methods rely on crowdsourced data collection, which lacks accuracy and cannot meet the requirements for high precision.
Method used
By acquiring confidence information of map elements, the correlation between target elements and reference elements is evaluated. Confidence covariance matrix and diversity calculation are used to fuse data from multiple terminal devices, thereby improving the accuracy of map updates.
Benefits of technology
It improves the accuracy of map updates, reduces the adverse effects of terminal device errors on the assessment, and enhances the credibility of map elements.
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Smart Images
Figure CN115146007B_ABST
Abstract
本申请提供一种地图数据处理方法及装置，能够解决仅依靠终端设备上报的单个地图元素的置信度所导致的地图元素评估和更新的准确性低下的问题，从而提高地图更新的准确性，可应用于车联网通信系统中。该方法包括：网络侧可以获取地图元素的置信度信息，并根据地图元素的置信度信息，确定是否更新地图。其中，参考置信度信息可以包括：目标元素的置信度信息和参考置信度信息。参考置信度信息可以包括：参考元素的置信度信息、目标元素与参考元素的联合置信度信息、和目标元素与参考元素的条件置信度信息中的至少一个。
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