Object validity for operational tasks in a policy context

被引：25
|
作者：
Lang, S. [1 ,2 ]
Albrecht, F. [1 ]
Kienberger, S. [1 ]
Tiede, D. [1 ]
机构：
[1] Salzburg Univ, Ctr Geoinformat Z GIS, A-5020 Salzburg, Austria
[2] Tech Univ Berlin, Inst Landscape Architecture & Environm Planning, D-1000 Berlin, Germany
来源：
JOURNAL OF SPATIAL SCIENCE | 2010年 / 55卷 / 01期
关键词：
OBIA; object delineation; fiat boundaries; accuracy; uncertainty; validation; ACCURACY;
D O I：
10.1080/14498596.2010.487639
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
(GE)OBIA (Geographic Object-Based Image Analysis) utilises intelligent tools and algorithms for automatically delineating and labelling geographical objects OBIA aims at converting traditional and established photo-interpretation tasks into operational use Moreover it may help to support the realisation of novel tasks in addressing composite classes. modelling new geographical realities, or observing changes at the individual object level, etc Ranging from object representations (real-world objects or bona fide objects), via complex composite classes (real-world modelled objects) to concept-related fiat objects, OBIA poses new challenges for evaluating object validity in an operational context This paper reflects on the need for an object-based validation concept. illustrates policy-related application scenarios and discusses qualitative and quantitative pillars under thematic and geo-spatial aspects
引用
收藏
页码：9 / 22
页数：14
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