一种改进的多时相卫星影像金字塔模型及组织方法  

An Improved Pyramid Model and Its Organization Method of Multi-temporal Satellite Images

作　　者：袁昱纬 王长力 夏明卓 YUAN Yuwei;WANG Changli;XIA Mingzhuo(Unit 91977,PLA,Beijing 100036,China)

机构地区：[1]中国人民解放军91977部队,北京100036

出　　处：《无线电工程》2022年第10期1828-1833,共6页Radio Engineering

基　　金：国家部委基金资助项目。

摘　　要：为了克服多时相卫星影像数据组织管理中存储开销大、访问效率低以及未考虑用户检索访问特点等问题,提出了一种改进的多时相卫星影像金字塔模型及组织方法。根据用户对不同时相卫星影像检索访问量的不同特点,调整多基态修正模型构建顺序,并构建2个不同基态距的多基态修正模型和临时基态,分别基于影像金字塔模型进行组织管理,能够有效兼顾不同时相卫星影像数据的存储开销和检索访问效率需求。应用实例验证了改进方法的可行性和有效性。In order to overcome the problems of high storage overhead,low access efficiency and lack of consideration of user retrieval and access characteristics in the organization and management of multi-temporal satellite image data,an improved multi-temporal satellite image pyramid model and its organization method are proposed.According to the different characteristics of the number of satellite image access in different time phases,the construction sequence of multi-base-state amendment model is adjusted,and then two multi-base-state amendment models with different base state intervals together with temporary base states are built.The proposed model is organized and managed respectively based on the image pyramid model.The improved multi-temporal satellite image pyramid model can effectively take into account the storage capacity and access efficiency of satellite image data in different time phases.The feasibility and effectiveness of the improved method is verified by an application example.

关 键 词：多时相卫星影像 金字塔模型 多基态修正模型 基态距 临时基态 

分 类 号：TP751[自动化与计算机技术—检测技术与自动化装置]