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- W2380452038 abstract "The assumption of statistical model is not needed for Neura l Networks (NN) while most traditional classification method for remote sensing data assumed normal distribution model. More and more NN application cases have been found in remote sensing data classification. In this paper, we proposed a method of Kohonen Self- organizing feature map based on clustering analysis. ASTER data is a new remote sensing data, which includes 3 bands of 15 m resolution an d 3 bands of 30m resolution. ASTER data of Beijing have been chosen for our research. The land cover classification result in neural networks method has been shown in this paper after wavelet fusion of data. The classification has 9% of accuracy ratio more than MLH classification.The idea of neural networks came from the basic structure of functioning of the human brain. In the modern field of science and engineering, the neural networks have strengthened their importance with numerous applications ranging from pattern recognition, fields of classification etc. There are different k inds of the neural networks available depending on the task to be performed. In this study the Kohonen self-organized network is used. There are 6 notes in import layer of t he structure of Kohonen self-organized network and ASTER data bands 1,2,3N,5,7,9 corresponding to one note in import layer. Output layer has the structure of 25×25 neural notes. Learning speed α starting value is 0.9, α reduced to 0.001 stopped with net calculation processing. Maximum circulation time is 2 500. ASTER is the only instrument to fly on the EOS AM-1 plate form that will acquire high-resolution image. The primary goal of the ASTER mission is to obtain high-resolution image data in 15 channels over targeted areas of the Earth's surface, as well as black-and-white stereo images, with a revisit time between 4 and 16 days. Band 1、2 are visible bands, band 3N,3B are near inferred bands, the resolution is 15 m; Band from 4 to 9 are group of short wave inferred bands, th e resolution is 30 m; Band from 10～14 are thermal bands, the resolution is 90m. W ith ASTER's merits earth scientists to address a wide range of globule-change topics. In the paper we introduce Kohonen self-organized network in classification of land cover in Beijing area in 2001 by using ASTER data." @default.
- W2380452038 created "2016-06-24" @default.
- W2380452038 creator A5082697603 @default.
- W2380452038 date "2003-06-01" @default.
- W2380452038 modified "2023-09-26" @default.
- W2380452038 title "STUDY ON ASTER DATA CLASSIFICATION USING SELF-ORGANIZING NEURAL NETWORK METHOD" @default.
- W2380452038 doi "https://doi.org/10.11867/j.issn.1001-8166.2003.03.0345" @default.
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