A "Raster-Vector" Integrat

第1作者单位：

武汉大学资源与环境科学学院

论文摘要：

Since vector approach can be applied for accurate geo-processing, while raster approach is suitable for spatial analysis, the integration of raster and vector approaches has been studied for years. This paper attempts to advance a combined approach for geographic feature retrieve in a mechanism so called “raster: relation-vector: entity” combined approach. That is, using a “dimension-plus”relational raster, the topological information is examined within a foreseeable raster index time by reducing the need of calculating exact geometry of spatial objects. Such topological information is in turn to vector organization. Hence the complex geometric objects can be reconstructed using vector data within minimal time consumption. This research realizes the recognition and the rebuild of spatial entities described in geometric and semantic information based on vector data.

关键词：

Raster Matrix; Vector; Object Identity; Feature Retrieve; Digitization 

发表日期：

2008年03月10日

同行评议：

文章提出”栅格关系-矢量实体”结合方法来进行空间要素的构建技术。本文对这方面的研究综述较全面，条理清晰，结构较为严谨，从理论和实验对所提出的.方法进行了充分论证，结果可靠。

本文方法的不足之处是，实例运行的速度需要改进。

综合评价：

修改稿：

注：同行评议是由特聘的同行专家给出的评审意见，综合评价是综合专家对论文各要素的评议得出的数值，以1至5颗星显示。