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numeric annotation
相关语句
  数字注记
     Numeric Annotation Abstraction from Map Based on Contour Shape Analysis
     基于轮廓形状分析的地形图数字注记提取
短句来源
     In this paper,the approach of identifying the numeric annotation in scanned landuse map and importing the attributes to database automatically is discussed,and the practical software is developed.
     为此提出了扫描图件数字注记自动识别与属性自动入库技术流程和方法,设计开发了较为实用的软件。
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  相似匹配句对
     History and annotation
     历史与注释——对马克思“人的本质的对象化活动”之文化价值解读引发的思考
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     On the Annotation of Vocal
     关于声乐作品的诠释
短句来源
     Numeric Annotation Abstraction from Map Based on Contour Shape Analysis
     基于轮廓形状分析的地形图数字注记提取
短句来源
     NUMERIC PHYSICAL EXPERIMENT
     数字物理实验
短句来源
     The numeric calculation in FEA method
     桥梁结构有限元分析中的数值计算
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ing the numeric annotations from topographic map according to contour shape analysis is presented.Because the contour shape concludes full shape information of a figure,it is possible to abstract annotations according to it avoiding aberration caused by skeleton abstracting methods. In this article,we described a five_step process for numeric annotation abstraction and practical arithmetic for each step:1) Get contour shape pixels from map.2) Trace the pixels and connect them in the form of link_code.3)...

ing the numeric annotations from topographic map according to contour shape analysis is presented.Because the contour shape concludes full shape information of a figure,it is possible to abstract annotations according to it avoiding aberration caused by skeleton abstracting methods. In this article,we described a five_step process for numeric annotation abstraction and practical arithmetic for each step:1) Get contour shape pixels from map.2) Trace the pixels and connect them in the form of link_code.3) By improved Dichotomy vector generating arithmetic,express the link_code contour shape into vector form.4) Decompose the contour shape vector into segments.5) Abstract annotation from char segments. As emphasis,we described the arithmetic of contour shape expression and decomposition.We presented a contour shape decomposing arithmetic according to the complex degree calculate from curvature and one time difference of contour shape,which can distinguish character segment from general segment.Because different figures have different complex degrees,by defining and calculating the complex degrees of each contour shape,we divided the contour shape lines segments into two classes: character segments and general line segments.We used such division to abstract the numeric annotations from topographic maps.We also presented an improved Dichotomy vector expression,which can balance the quality and cost requirement. At the end of this article,we presented the result of experiment.It proved that the process and arithmetic described above is practical and efficient.

针对地形图中图线与注记字符分离的问题 ,本文提出了基于轮廓的形状分析来提取组成地形图注记基元的方法 ,克服了字线粘连造成的分离困难 ,提高了所提取注记信息的完整性。提取的结果为地形图中注记的进一步识别提供了依据。

Spatial database construction of landuse maps plays an important role in our national land resources information management.Identifying the annotation and importing the attributes to database is a manual work in the traditional landuse database constructing,which costs a lot of time and brings low quality.In this paper,the approach of identifying the numeric annotation in scanned landuse map and importing the attributes to database automatically is discussed,and the practical software is developed.Applied...

Spatial database construction of landuse maps plays an important role in our national land resources information management.Identifying the annotation and importing the attributes to database is a manual work in the traditional landuse database constructing,which costs a lot of time and brings low quality.In this paper,the approach of identifying the numeric annotation in scanned landuse map and importing the attributes to database automatically is discussed,and the practical software is developed.Applied in the landuse database constructing in Baotou,this methods is proved available and efficient.

土地利用基础图件建库是国土资源信息化和“数字国土”的重要组成部分。在传统建库过程中,图件上的大量注记主要是人工识别、手工录入到数据库中,影响了数据库建库的进度,并使数据库质量难以保障。为此提出了扫描图件数字注记自动识别与属性自动入库技术流程和方法,设计开发了较为实用的软件。在包头市土地利用详查数据库建库中的应用表明,上述技术方法合理,注记自动识别精度在87%以上,属性的自动入库准确率超过90%,具有较高的实用价值。

 
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