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  1. Article

    Open Access

    A comparison of two deep-learning-based urban perception models: which one is better?

    Urban perception is a hot topic in current urban study and plays a positive role in urban planning and design. At present, there are two methods to calculate urban perception. 1) Using a model to learn image f...

    Ruifan Wang, Shuliang Ren, Jiaqi Zhang, Yao Yao, Yu Wang… in Computational Urban Science (2021)

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  2. No Access

    Article

    Comparative Analysis of Fractional Vegetation Cover Estimation Based on Multi-sensor Data in a Semi-arid Sandy Area

    The estimation of fractional vegetation cover (FVC) is important for identifying and monitoring desertification, especially in arid and semiarid regions. By using regression and pixel dichotomy models, we pres...

    Qiuyu Liu, Tinglong Zhang, Yizhe Li, Ying Li, Chongfeng Bu… in Chinese Geographical Science (2019)

  3. No Access

    Chapter

    High-Performance Small-Scale Raster Map Projection Empowered by Cyberinfrastructure

    This chapter reports on the merging of geospatial data transformation, high-performance computing (HPC), and cyberinfrastructure (CI) domains for map projection transformation through performance profiling and...

    Michael P. Finn, Yan Liu, David M. Mattli… in CyberGIS for Geospatial Discovery and Inno… (2019)

  4. No Access

    Chapter

    High-Performance GeoComputation with the Parallel Raster Processing Library

    The recent developments in GIScience and GeoComputation have seen the emergence of big spatial data and complex geospatial algorithms, which greatly increase the demand for high-performance computing. However,...

    Qingfeng Guan, Shujian Hu, Yang Liu… in GeoComputational Analysis and Modeling of … (2018)

  5. No Access

    Chapter

    Records of Environmental Changes in Physical Geography

    From the viewpoints of physical geography, river and lake terraces, glacial moraines, lake sediments, ice core, stalagmite, tree-rings, loess and paleo-soils, etc. provide broad materials and contain multi-pro...

    Li** Zhu, Qingfeng Ma, Jifeng Zhang… in The Geographical Sciences During 1986—2015 (2017)

  6. No Access

    Article

    Dry/wet climate zoning and delimitation of arid areas of Northwest China based on a data-driven fashion

    The division of arid areas is important in water and land resources management, planning and for a long-term agricultural, economic and social planning. Northwest China (NW) dominates the main arid areas in Ch...

    QingLing Geng, PuTe Wu, QingFeng Zhang, **Ning Zhao, YuBao Wang in Journal of Arid Land (2014)

  7. No Access

    Article

    Land use/land cover (LULC) classification with MODIS time series data and validation in the Amur River Basin

    There is a need for improved and up-to-date land use/land cover (LULC) data sets over an intensively changing area in the Amur River Basin (ARB) in support of science and policy applications focused on underst...

    Kaishan Song, Zongmin Wang, Qingfeng Liu, Dianwei Liu… in Geography and Natural Resources (2011)

  8. No Access

    Article

    Environmental emigration stress of slope farmland in the Three Gorges area

    The project of ‘grain for green’, to restore woodland and grass by retreating from slope farmland, as a fundamental measure of eco-environmental rehabilitation, is being conducted in the reservoir area of the ...

    Wang Liming Ph.D., Guan Qingfeng, Yang Yanfeng in Journal of Geographical Sciences (2002)