This paper studies the model and techniques of extracting shallow water depth from TM images and image chart production in Nansha Islands and nearby sea area. On the basis of the conventional multi-band linear regression model, we develop a improved model by introducing a series of techniques including data pre-processing by group averaging, tidal correction, piecewise linear regression, data normalization, etc.. The improved model is more reasonable and accurate and suitable for large sea area. And we also present a set of techniques for remote sensing image chart production.
邸凯昌, 丁谦, 陈薇, 曹文玉. 南沙群岛海域浅海水深提取及影像海图制作技术[J]. 国土资源遥感, 1999, 11(3): 59-64.
Di Kaichang, Ding Qian, Chen Wei, Cao Wenyu . SHALLOW WATER DEPTH EXTRACTION AND CHART PRODUCTION FROM TM IMAGES IN NANSHA ISLANDS AND NEARBY SEA AREA. REMOTE SENSING FOR LAND & RESOURCES, 1999, 11(3): 59-64.
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