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Jinming Chen, Xiao Yang, Haiya Dao, Haowen Gu, Gang Chen, Changshu Mao, Shihan Bai, Shixiang Gu, Zuhao Zhou and Ziqi Yan
Water, soil, and heat are strategic supporting elements for human survival and social development. The degree of matching between human-land-water-heat elements directly influences the sustainable development of a region. However, the current evaluation ...
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Kainan Mao, Jingzhong Li and Haowen Yan
The spatial accessibility of urban parks is an important indicator of the livability level of cities. In this paper, we propose a comprehensive multimodal two-step floating catchment area (CM2SFCA) method which integrates supply capacity, the selection p...
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Rong Wang, Haowen Yan and Xiaomin Lu
This paper aims to propose a new approach to calculate the quantitative relations between morphostructural similarity degree and map scale change in multi-scale contour clusters for automatic contour generalization. Terrain lines were extracted by pre-pr...
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Wende Li, Haowen Yan, Xiaomin Lu and Yilang Shen
Building displacement is a common operation to resolve the spatial conflicts between map features, and it has important theoretical value and practical application significance for multi-scale mapping. The prerequisite for a successful displacement opera...
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Rong Wang, Haowen Yan and Xiaomin Lu
Quantitative relations between topological similarity degree and map scale change of multi-scale contour clusters are vital to the automation of map generalization. However, no method has been proposed to calculate the relations. This paper aims at filli...
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Xiaorong Gao, Haowen Yan, Xiaomin Lu and Pengbo Li
The major reason that the fully automated generalization of residential areas has not been achieved to date is that it is difficult to acquire the knowledge that is required for automated generalization and for the calculation of spatial similarity degre...
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Xiaolong Wang, Haowen Yan and Liming Zhang
Encryption of vector maps, used for copyright protection, is of importance in the community of geographic information sciences. However, some studies adopt one-to-one mapping to scramble vertices and permutate the coordinates one by one according to the ...
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Xingang Zhang, Haowen Yan, Liming Zhang and Hao Wang
Content integrity of high-resolution remote sensing (HRRS) images is the premise of its usability. Existing HRRS image integrity authentication methods are mostly binary decision-making processes, which cannot provide a further interpretable information ...
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Xiaomin Lu, Haowen Yan, Wende Li, Xiaojun Li and Fang Wu
Points on maps that stand for geographic objects such as settlements are generally connected by road networks. However, in the existing algorithms for point cluster simplification, points are usually viewed as discrete objects or their distances are cons...
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Zhenyan Yi, Hongli Zhao, Yunzhong Jiang, Haowen Yan, Yin Cao, Yanyan Huang and Zhen Hao
Accurate continuous daily evapotranspiration (ET) at the field scale is crucial for allocating and managing water resources in irrigation areas, particularly in arid and semi-arid regions. The authors integrated the modified perpendicular drought index (...
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