一种三维地图数据的压缩方法、装置、介质及计算机设备
By reducing and compressing the latitude and longitude data of 3D map data into 1D data and converting the elevation data into floating-point data, and combining this with a preset coordinate compression data model to generate coordinate compressed data, the problems of large storage space and low transmission efficiency of 3D map data are solved, achieving more efficient data storage and transmission.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- AUTONAVI SOFTWARE CO LTD
- Filing Date
- 2023-01-18
- Publication Date
- 2026-07-17
AI Technical Summary
Existing 3D map data compression schemes cannot effectively reduce storage space and data transmission efficiency, resulting in increased front-end content download and parsing time, which affects user experience.
By reducing the latitude and longitude data of 3D map data to 1D data and converting the elevation data to floating-point data, coordinate compressed data is generated by combining it with a preset coordinate compressed data model, and the final compressed data is generated using the 3D map compressed data model.
It effectively reduces the storage space occupied by 3D map data and the amount of data returned by the server, reduces the content download and parsing time on the front end, and improves data transmission efficiency and user experience.
Smart Images

Figure CN116204499B_ABST