Research and Implementation of Measurement Data Wavelet De-noising and 3D Visualization of Farmland

Abstract : The precision agriculture decision-making needs of geographic information visualization analysis for farmland. In order to get 3D visualization of farmland, the Matlab software and wavelet transform were used for 3D-terrain survey data processing. Haar, DB6, Sym8, coif3 wavelet were used on the 3 layer decomposition of elevation data de-noising test, DB6 wavelet was used on the two to seven layer decomposition de-noising. The measurement plane scatter plots, contour map, 3D surface chart of the farmland was drew. The research shows that using a db6 wavelet five level decomposition de-noising for elevation data measured by DGPS continuously was suitable for the 3D-terrain farmland surveying and mapping in which farmland have the more moderate wavy. This may well reflect the farmland terrain features.
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Daoliang Li; Yingyi Chen. 6th Computer and Computing Technologies in Agriculture (CCTA), Oct 2012, Zhangjiajie, China. Springer, IFIP Advances in Information and Communication Technology, AICT-393 (Part II), pp.27-35, 2013, Computer and Computing Technologies in Agriculture VI. 〈10.1007/978-3-642-36137-1_4〉
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Weidong Zhuang, Chun Wang, Xi Wang. Research and Implementation of Measurement Data Wavelet De-noising and 3D Visualization of Farmland. Daoliang Li; Yingyi Chen. 6th Computer and Computing Technologies in Agriculture (CCTA), Oct 2012, Zhangjiajie, China. Springer, IFIP Advances in Information and Communication Technology, AICT-393 (Part II), pp.27-35, 2013, Computer and Computing Technologies in Agriculture VI. 〈10.1007/978-3-642-36137-1_4〉. 〈hal-01348211〉

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