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	Extracting multiple cropping index based on NDVI time series: A method integrating temporal and spatial information
	Liang Shouzhen; Yang Chunhua; Yu Dingfeng; Ma Wandong
	2014
会议名称	2014 3rd International Conference on Agro-Geoinformatics, Agro-Geoinformatics 2014
会议地点	Beijing, China
英文摘要	Multiple cropping index (MCI) can be extracted from satellite-derived Normalized Difference Vegetation Index (NDVI) time-series data. However, NDVI time-series data are often affected by noise, e.g. cloud, aerosol. The reconstruction of high-quality NDVI time series is a key to get accuracy MCI. A method integrating temporal and spatial information is developed to remove or reduce the effect of noises on time series. The proposed method mainly consists of two steps: (i) processing of cloudy pixel in spatial domain based on land cover information; and (ii) data processing in the temporal domain (HANTS algorithm). The results show this method can effectively reconstruct NDVI time series and MCI is highly consistent with statistical data. Nevertheless, this method needs ancillary information - land cover data and the quality of reconstructed time series depends on the accuracy of landcover to a certain degree, which may limit the application of the method.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/6221]
专题	深圳先进技术研究院_其他
作者单位	2014
推荐引用方式 GB/T 7714	Liang Shouzhen,Yang Chunhua,Yu Dingfeng,et al. Extracting multiple cropping index based on NDVI time series: A method integrating temporal and spatial information[C]. 见:2014 3rd International Conference on Agro-Geoinformatics, Agro-Geoinformatics 2014. Beijing, China.

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