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Research on Rule-Based Spatial Position Description of Image

Author: SiChang
Tutor: ZhangTieFeng
School: North China Electric Power University
Course: Communication and Information System
Keywords: Spatial positional relationship The direction of the relationship Observer frame of reference Natural language Viewshed histogram Fuzzy rules
CLC: TP391.41
Type: Master's thesis
Year: 2011
Downloads: 21
Quote: 1
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Abstract


The space position description is an important research direction in the field of spatial information , are widely used in machine vision , graphic conversion , image retrieval , and geographic information systems and other research areas . Spatial direction relations as an important part of the relationship between the spatial location , model building , improved and systematized in the above areas of research have important theoretical significance and practical value . This paper summarizes the background and status of the studies described in spatial location , focus is given to the basic concepts of the nature and characteristics of the spatial direction relations , analysis of existing formal model of spatial direction relations ; nature and characteristics of the relationship between the spatial directions , to classification method and the frame of reference of spatial direction relations division method were analyzed , and the direction of the relationship between model space and applications ; design two spatial directions relational model in the observer frame of reference - visual angle model and visualization domain histogram model , respectively, for the description of the two different types of spatial direction relations ; Finally , This article space direction relational model to measure the relationship between topological relationship model is applied to the automotive driver assistance , and a fuzzy rule - based natural language generation method to achieve the spatial location of the natural language description of the experimental results show that this description method is feasible and consistent with human cognition . Thesis and the results showed that utilize the spatial orientation of the relationship between the observer frame of reference model and the fuzzy rules of natural language generation method the feasible described by the relationship between the spatial location has the advantage of human cognition can be applied to the automotive driver assistance , in areas such as robot vision .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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