地理空间信息2024，Vol.22Issue(8)：33-36,49,5.DOI:10.3969/j.issn.1672-4623.2024.08.007
一种工程矢量瓦片地图加密和压缩策略研究
Encryption and Compression Strategy Research on Engineering Vector Tile Map
刘少博 1陈彦江 1陈丽 1周永博 1李富鹏 1裴之垣2
作者信息
- 1. 国网甘肃省电力公司数字化事业部,甘肃 兰州 730050
- 2. 国网甘肃省电力公司定西供电公司,甘肃 定西 744300
- 折叠
摘要
Abstract
We proposed an encryption and compression strategy for engineering vector tile map in order to avoid over fitting and poor data securi-ty in the process of compressing and encrypting engineering vector tile map information.We set the engineering vector tile pyramid model param-eters based on MBTiles,traversed and analyzed the tile data sets,and hierarchically indexed the tile maps.Then,we utilized a tile map informa-tion compression algorithm based on the upper limit of features to handle possible over fitting situations during the compression process,and ap-plied the RSA algorithm to improve block chain technology,strengthen the connection between various blocks,transcode vector tile map informa-tion,and achieve effective storage of tile information.The experimental results show that①after compressing tile map information using this model,the maximum storage time is 0.9 s,and the storage space value is less than 4 TB.②After encrypting the map information,the map infor-mation features are completely disrupted,which can effectively avoid overfitting during the compression process,reduce information storage time and space consumption,and achieve good information compression and encryption results.关键词
区块链技术/深度卷积神经网络算法/矢量瓦片/地图存储Key words
block chain technology/deep convolution neural network algorithm/vector tile/map storage分类
天文与地球科学引用本文复制引用
刘少博,陈彦江,陈丽,周永博,李富鹏,裴之垣..一种工程矢量瓦片地图加密和压缩策略研究[J].地理空间信息,2024,22(8):33-36,49,5.
