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《JOURNAL OF TONGJI UNIVERSITY》 1998-06
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Adjustment Models Used for Data Processing of Road Curve Digitization

Meng Xiaolin(Department of Road and Traffic Tongji University, Shanghai 200092) Liu Dajie (Department of Surveying and Land information Engineering, Tongji University Shanghai, 200092)Zhu Zhaohong(Department of Road and Traffic Engineering, Tongji Unive  
By using least square theory(LST), the authors established geometric collation models of regular curve features such as road alignmnts (straight, circle, transition curve and the combination of them) and promoted relevant precision evaluation criteria of digitized features. All the researches are of practical reference values to deal with the precision evaluation and data quality control problems in GIS spatial database.
【Fund】: 国家自然科学基金!49671065
【CateGory Index】: U412
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1 Meng Xiaolin;Liu Dajie; Zhu Zhaohong (Department of Road and Traffic Engineering, Tongji University,Shanghai,200092)(Department of Surveying, Tongji University,Shanghai,20092)(Department of Road and Traffic Engineering, Tongji University,Shanghai,200092);NL Distribution Tests of Map Digitization Errors[J];JOURNAL OF TONGJI UNIVERSITY;1996-05
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