Extracting digital data from the First Land Utilisation Survey of Great Britain - Methods, issues and potential
Extracting digital data from the First Land Utilisation Survey of Great Britain - Methods, issues and potential
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DOI：
10.1016/j.apgeog.2010.12.007
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发表时间：
2011-07-01
影响因子：
4.9
通讯作者：
Southall, Humphrey
中科院分区：
文献类型：
--
作者：
Baily, Brian;Riley, Mark;Southall, Humphrey
由L达德利·斯坦普教授在20世纪30年代和40年代协调的英国第一次土地利用调查（LUSGB）被认为是英国最杰出的土地利用调查之一。本文件审议了将调查中的大量信息转换为数字矢量格式的技术和方法挑战。这一过程的第一步涉及对LUSGB的地图类型进行高分辨率扫描，然后进行地理参考。然后使用监督分类图像处理技术，以便创建一组签名，在清理过程之后，可以进行后续的矢量化。然后，本文探讨了由此产生的数字数据，从这个半自动化的程序的一致性，以评估所提出的方法的准确性，数字化的历史土地变化，以及各自的准确性，每种地图类型的原始LUSGB。特别是，本文研究了从一个和十英寸的地图系列产生的数据，也研究了作为印刷过程的一部分产生的各个彩色图层地图。最后，本文通过反思半自动化方法的潜力，以及在这一领域的未来研究的途径。(C)2011爱思唯尔有限公司保留所有权利。
The First Land Utilisation Survey of Great Britain (LUSGB), coordinated in the 1930s and 1940s by Professor L Dudley Stamp, is regarded as one of the most pre-eminent surveys of land utilisation in Britain. This paper considers techniques and methodological challenges in converting the wealth of information within the survey into digital vector format. The first steps of this process involve high resolution scanning of the map types of the LUSGB, followed by georeferencing. Supervised classification image processing techniques are then used in order to create a set of signatures from which, following clean up processes, subsequent vectorisation can take place. The paper then explores the resulting digital data from this semi-automated procedure for consistency in order to assess both the proposed method's accuracy for digitalisation of historic land change, as well as the respective accuracy of each map type of the original LUSGB. In particular, this paper examines the data produced from the one and ten-inch map series and also examines individual colour layer maps produced as part of the printing process. The paper concludes by reflecting on the potential of the semi-automated approach experimented with as well, as the avenues for future research in this area. (C) 2011 Elsevier Ltd. All rights reserved.