Chongcheng Chen

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The increasing maturity of Cloud computing technology brings a profound change to modern information service industry. With explosive growth of the web services, traditional service registration software encounters many problems on cloud service registration and discovery. In this paper, we design and implement a novel geographical knowledge service(More)
This paper evaluated the spatiotemporal non-stationarity in the vegetation dynamic based on 1-km resolution 16-day composite Moderate Resolution Imaging Spectroradiometer (MODIS) Enhanced Vegetation Index (EVI) datasets in China during 2001-2011 through a wavelet transform method. First, it revealed from selected pixels that agricultural crops, natural(More)
This paper reports on a visual simulation system that supports GIS-based realistic modeling and real-time rendering of forest scenes. Geometric models of trees are automatically generated according to inventory database and pre-designed template models. A combined image and geometry representation method for 3D tree model is given with a specific level of(More)
This paper develops a new crop mapping method through combined utilization of both time and frequency information based on wavelet variance and Jeffries-Matusita (JM) distance (CIWJ for short). A two-dimensional wavelet spectrum was obtained from datasets of daily continuous vegetation indices through a continuous wavelet transform using the Mexican hat and(More)