Representation and Reasoning for Multi-Dimensional Spatial Occlusion Relation

WANG Sheng-sheng; LIU Da-you

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Representation and Reasoning for Multi-Dimensional Spatial Occlusion Relation

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- Representation and Reasoning for Multi-Dimensional Spatial Occlusion Relation
- Acta Electronica Sinica Vol. 31, Issue S1, Pages: 2175-2178(2003)
- 作者机构：
  
  吉林大学计算机科学与技术学院, 符号计算与知识工程教育部重点实验室,吉林,长春,130012
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP181
- Published Online：25 December 2003，
  
  Published：2003
- 稿件说明：
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WANG Sheng-sheng, LIU Da-you. Representation and Reasoning for Multi-Dimensional Spatial Occlusion Relation[J]. Acta Electronica Sinica, 2003, 31(S1): 2175-2178.
DOI：

WANG Sheng-sheng, LIU Da-you. Representation and Reasoning for Multi-Dimensional Spatial Occlusion Relation[J]. Acta Electronica Sinica, 2003, 31(S1): 2175-2178. DOI：

摘要

从某个视点观察两个三维空间中的对象时

一个对象遮住另一个对象的现象被称为空间遮蔽关系.在空间推理和机器视觉领域

它是一种重要的面向观察者的空间关系.LOS和ROC等现有的遮蔽关系模型都是基于RCC(区域连接演算)的

因而不能支持混合维空间对象.但在3维GIS等遮蔽关系的应用领域中

空间对象的维数是多样的.为此提出了混合维空间遮蔽关系模型MSO.首先将RCC扩展到混合维得到了MRCC

然后基于MRCC定义了混合维遮蔽关系

最后研究了MRCC的复合推理方法.

Abstract

Observing two objects from a viewpoint in 3D space

one may occlude another.This phenomena is called occlusion relation.It is an important observer-centred spatial relation in Spatial Reasoning and Computer Vision.The existing occlusion models such as LOS and ROC are all based on the RCC (Region Connection Calculus) theory

which is not suitable for handling multi-dimensional objects.But in 3D GIS or other occlusion relation applied area

the dimensions of objects are multiple.So we propose the multi-dimensional spatial occlusion model (MSO).We first extend the RCC to MRCC for supporting multi-dimension; then define spatial occlusion relation based on MRCC.Finally we investigate the composition reasoning method of MSO.

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