Processing of spatiotemporal queries in image databases

被引：0
|
作者：
Tzouramanis, T [1 ]
Vassilakopoulos, M [1 ]
Manolopoulos, Y [1 ]
机构：
[1] Aristotle Univ Thessaloniki, Dept Informat, Data Engn Lab, GR-54006 Thessaloniki, Greece
来源：
ADVANCES IN DATABASES AND INFORMATION SYSTEMS | 1999年 / 1691卷
关键词：
spatio-temporal databases and queries; transaction time; access methods; indexing; B+ trees; linear region quadtrees; overlapping; time performance;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Overlapping Linear Quadtrees is a structure suitable for storing consecutive raster images according to transaction time(a database of evolving images). This structure saves considerable space without sacrificing time performance in accessing every single image. Moreover, it can be used for answering efficiently window queries for a number of consecutive images (spatio-temporal queries). In this paper, we present three such temporal window queries: strict containment, border intersect and cover. Besides, based on a method of producing synthetic pairs of evolving images (random images with specified aggregation)we present empirical results on the I/O performance of these queries.
引用
收藏
页码：85 / 97
页数：13
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