Hasil Pencarian - Qingrui Chang

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  1. 1
    Combination of Continuous Wavelet Transform and Successive Projection Algorithm for the Estimation of Winter Wheat Plant Nitrogen Concentration

    Combination of Continuous Wavelet Transform and Successive Projection Algorithm for the Estimation of Winter Wheat Plant Nitrogen Concentration oleh Xiaokai Chen, Fenling Li, Qingrui Chang

    Diterbitkan 2023-02-01
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  2. 2
    Estimation of Apple Tree Leaf Chlorophyll Content Based on Machine Learning Methods

    Estimation of Apple Tree Leaf Chlorophyll Content Based on Machine Learning Methods oleh Na Ta, Qingrui Chang, Youming Zhang

    Diterbitkan 2021-09-01
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  3. 3
    Soil types effect on grape and wine composition in Helan Mountain area of Ningxia.

    Soil types effect on grape and wine composition in Helan Mountain area of Ningxia. oleh Rui Wang, Quan Sun, Qingrui Chang

    Diterbitkan 2015-01-01
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  4. 4
    Identification and Severity Monitoring of Maize Dwarf Mosaic Virus Infection Based on Hyperspectral Measurements

    Identification and Severity Monitoring of Maize Dwarf Mosaic Virus Infection Based on Hyperspectral Measurements oleh Lili Luo, Qingrui Chang, Qi Wang, Yong Huang

    Diterbitkan 2021-11-01
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  5. 5
    Streamflow and Sediment Declines in a Loess Hill and Gully Landform Basin Due to Climate Variability and Anthropogenic Activities

    Streamflow and Sediment Declines in a Loess Hill and Gully Landform Basin Due to Climate Variability and Anthropogenic Activities oleh Qingrui Chang, Chi Zhang, Song Zhang, Binquan Li

    Diterbitkan 2019-11-01
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  6. 6
    Comparison of prediction power of three multivariate calibrations for estimation of leaf anthocyanin content with visible spectroscopy in Prunus cerasifera

    Comparison of prediction power of three multivariate calibrations for estimation of leaf anthocyanin content with visible spectroscopy in Prunus cerasifera oleh Xiuying Liu, Chenzhou Liu, Zhaoyong Shi, Qingrui Chang

    Diterbitkan 2019-10-01
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  7. 7
    Estimation of Winter Wheat Plant Nitrogen Concentration from UAV Hyperspectral Remote Sensing Combined with Machine Learning Methods

    Estimation of Winter Wheat Plant Nitrogen Concentration from UAV Hyperspectral Remote Sensing Combined with Machine Learning Methods oleh Xiaokai Chen, Fenling Li, Botai Shi, Qingrui Chang

    Diterbitkan 2023-05-01
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  8. 8
    Examining the Driving Factors of SOM Using a Multi-Scale GWR Model Augmented by Geo-Detector and GWPCA Analysis

    Examining the Driving Factors of SOM Using a Multi-Scale GWR Model Augmented by Geo-Detector and GWPCA Analysis oleh Qi Wang, Danyao Jiang, Yifan Gao, Zijuan Zhang, Qingrui Chang

    Diterbitkan 2022-07-01
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  9. 9
    Estimation of paddy rice leaf area index using machine learning methods based on hyperspectral data from multi-year experiments.

    Estimation of paddy rice leaf area index using machine learning methods based on hyperspectral data from multi-year experiments. oleh Li Wang, Qingrui Chang, Jing Yang, Xiaohua Zhang, Fenling Li

    Diterbitkan 2018-01-01
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  10. 10
    Retrieval and Mapping of Soil Organic Carbon Using Sentinel-2A Spectral Images from Bare Cropland in Autumn

    Retrieval and Mapping of Soil Organic Carbon Using Sentinel-2A Spectral Images from Bare Cropland in Autumn oleh Ke Wang, Yanbing Qi, Wenjing Guo, Jielin Zhang, Qingrui Chang

    Diterbitkan 2021-03-01
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  11. 11
    Evaluation of Leaf N Concentration in Winter Wheat Based on Discrete Wavelet Transform Analysis

    Evaluation of Leaf N Concentration in Winter Wheat Based on Discrete Wavelet Transform Analysis oleh Fenling Li, Li Wang, Jing Liu, Yuna Wang, Qingrui Chang

    Diterbitkan 2019-06-01
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  12. 12
    Quantitative Assessment of Apple Mosaic Disease Severity Based on Hyperspectral Images and Chlorophyll Content

    Quantitative Assessment of Apple Mosaic Disease Severity Based on Hyperspectral Images and Chlorophyll Content oleh Yanfu Liu, Yu Zhang, Danyao Jiang, Zijuan Zhang, Qingrui Chang

    Diterbitkan 2023-04-01
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  13. 13
    Hyperspectral Estimation of Chlorophyll Content in Apple Tree Leaf Based on Feature Band Selection and the CatBoost Model

    Hyperspectral Estimation of Chlorophyll Content in Apple Tree Leaf Based on Feature Band Selection and the CatBoost Model oleh Yu Zhang, Qingrui Chang, Yi Chen, Yanfu Liu, Danyao Jiang, Zijuan Zhang

    Diterbitkan 2023-08-01
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  14. 14
    UAV Hyperspectral Data Combined with Machine Learning for Winter Wheat Canopy SPAD Values Estimation

    UAV Hyperspectral Data Combined with Machine Learning for Winter Wheat Canopy SPAD Values Estimation oleh Qi Wang, Xiaokai Chen, Huayi Meng, Huiling Miao, Shiyu Jiang, Qingrui Chang

    Diterbitkan 2023-09-01
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  15. 15
    Estimation of Anthocyanins in Winter Wheat Based on Band Screening Method and Genetic Algorithm Optimization Models

    Estimation of Anthocyanins in Winter Wheat Based on Band Screening Method and Genetic Algorithm Optimization Models oleh Huiling Miao, Xiaokai Chen, Yiming Guo, Qi Wang, Rui Zhang, Qingrui Chang

    Diterbitkan 2024-06-01
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  16. 16
    Monitoring the Degree of Mosaic Disease in Apple Leaves Using Hyperspectral Images

    Monitoring the Degree of Mosaic Disease in Apple Leaves Using Hyperspectral Images oleh Danyao Jiang, Qingrui Chang, Zijuan Zhang, Yanfu Liu, Yu Zhang, Zhikang Zheng

    Diterbitkan 2023-05-01
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  17. 17
    Estimating the Aboveground Carbon Density of Coniferous Forests by Combining Airborne LiDAR and Allometry Models at Plot Level

    Estimating the Aboveground Carbon Density of Coniferous Forests by Combining Airborne LiDAR and Allometry Models at Plot Level oleh Hongke Hao, Hongke Hao, Weizhong Li, Xuan Zhao, Qingrui Chang, Pengxiang Zhao

    Diterbitkan 2019-07-01
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  18. 18
    Estimation of Anthocyanins in Whole-Fertility Maize Leaves Based on Ground-Based Hyperspectral Measurements

    Estimation of Anthocyanins in Whole-Fertility Maize Leaves Based on Ground-Based Hyperspectral Measurements oleh Shiyu Jiang, Qingrui Chang, Xiaoping Wang, Zhikang Zheng, Yu Zhang, Qi Wang

    Diterbitkan 2023-05-01
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  19. 19
    Estimation of Winter Wheat Canopy Chlorophyll Content Based on Canopy Spectral Transformation and Machine Learning Method

    Estimation of Winter Wheat Canopy Chlorophyll Content Based on Canopy Spectral Transformation and Machine Learning Method oleh Xiaokai Chen, Fenling Li, Botai Shi, Kai Fan, Zhenfa Li, Qingrui Chang

    Diterbitkan 2023-03-01
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  20. 20
    Rice Leaf Chlorophyll Content Estimation Using UAV-Based Spectral Images in Different Regions

    Rice Leaf Chlorophyll Content Estimation Using UAV-Based Spectral Images in Different Regions oleh Songtao Ban, Weizhen Liu, Minglu Tian, Qi Wang, Tao Yuan, Qingrui Chang, Linyi Li

    Diterbitkan 2022-11-01
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