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ISPRS Int. J. Geo-Inf. 2018, 7(5), 175; https://doi.org/10.3390/ijgi7050175

Study on Multi-Scale Window Determination for GLCM Texture Description in High-Resolution Remote Sensing Image Geo-Analysis Supported by GIS and Domain Knowledge

1
School of management, Guangdong University of Technology, 169 Yinglong Road, Guangzhou 510520, China
2
Geographic Information Department, Guangzhou Urban Planning & Design Survey Research Institute, 10 Jianshe Road, Guangzhou 510060, China
*
Author to whom correspondence should be addressed.
Received: 18 March 2018 / Revised: 26 April 2018 / Accepted: 28 April 2018 / Published: 5 May 2018
(This article belongs to the Special Issue Leading Progress in Digital Terrain Analysis and Modeling)
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Abstract

Texture features based on the gray-level co-occurrence matrix (GLCM) can effectively improve classification accuracy in geographical analyses of optical remote sensing (RS) images, with the parameters of scale of the GLCM texture window greatly affecting the validity. By analyzing human visual attention characteristics for geo-texture cognition, it was found that there is a strong correlation between the texture scale parameters and the domain shape knowledge in a specified geo-scene. Therefore, a new approach for quickly determining the multi-scale parameters of the texture with the assistance of a geographic information system (GIS) and domain knowledge is proposed in this paper. First, the validity of domain knowledge from an existing GIS database is measured by spatial data mining algorithms, including spatial partitioning, image segmentation, and space-time system evaluation. Second, the general domain shape knowledge of each category is described by the GIS minimum enclosing rectangle indices and rectangular-degree indices. Then, the corresponding multi-scale texture windows can be quickly determined for each category by a correlation analysis with the shape indices. Finally, the Fisher function is used to evaluate the validity of the scale parameters. The experimental results show that the multi-scale value keeps a one-to-one relationship with the classified objects, and their value ranges are from a few to tens, instead of the smaller values of a traditional analysis; thus, effective texture features at such a scale can be built to identify categories in a geo-scene. In this way, the proposed method can increase the total number of categories for a certain geo-scene and reduce the classification uncertainty, as well as better meet the requirements of large-scale image geo-analysis. It also has as high a calculation efficiency and as good a performance as the traditional enumeration method. View Full-Text
Keywords: window of GLCM texture descriptor; multi-scale; geographic information system (GIS); domain knowledge; spatial data mining; Fisher function window of GLCM texture descriptor; multi-scale; geographic information system (GIS); domain knowledge; spatial data mining; Fisher function
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Lan, Z.; Liu, Y. Study on Multi-Scale Window Determination for GLCM Texture Description in High-Resolution Remote Sensing Image Geo-Analysis Supported by GIS and Domain Knowledge. ISPRS Int. J. Geo-Inf. 2018, 7, 175.

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