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ISPRS Int. J. Geo-Inf. 2016, 5(9), 165; doi:10.3390/ijgi5090165

Improving Seasonal Land Cover Maps of Poyang Lake Area in China by Taking into Account Logical Transitions

1
School of Remote Sensing Information Engineering, Wuhan University, Wuhan 430079, China
2
Institute of Garden Forestry, Huazhong Agriculture University, Wuhan 430070, China
*
Author to whom correspondence should be addressed.
Academic Editors: Qiming Zhou, Zhilin Li, George P. Petropoulos and Wolfgang Kainz
Received: 19 August 2016 / Revised: 19 August 2016 / Accepted: 8 September 2016 / Published: 12 September 2016
(This article belongs to the Special Issue Advances and Innovations in Land Use/Cover Mapping)
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Abstract

Land cover maps are fundamental materials for resource management and change detection. Remote sensing technology is crucial for fast mapping with low cost. However, besides the inherent classification errors in the land cover products, numerous illogical transitions exist between the neighboring time points. In this study, we introduce a series of logical codes for all the land cover types according to the ecological rules in the study area. The codes represent the transformational logicality of species between different seasons. The classification performance and the codes for all the seasons are imposed on the initial land cover maps which have been produced independently by the conventional hierarchical strategy. We exploit the proposed modified hierarchical mapping strategy to map the land cover of Poyang Lake Basin area, Middle China. The illogical transitions between neighboring seasons and the accuracies based on the labeled samples are calculated for both the initial and modified strategies. The number of illogical pixels have been reduced by 13%–35% for different seasons and the average accuracy has been improved by 9.7% for the specific land cover maps. The accuracy of land cover changes has also presented great improvement of the proposed strategy. The experimental results have suggested the scheme is effective. View Full-Text
Keywords: land cover maps; illogical transitions; logical codes; ecological rules; transformational logicality; hierarchical strategy land cover maps; illogical transitions; logical codes; ecological rules; transformational logicality; hierarchical strategy
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Yang, G.; Fang, S.; Dian, Y.; Bi, C. Improving Seasonal Land Cover Maps of Poyang Lake Area in China by Taking into Account Logical Transitions. ISPRS Int. J. Geo-Inf. 2016, 5, 165.

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