Journal
ACTA OCEANOLOGICA SINICA
Volume 33, Issue 7, Pages 89-96Publisher
SPRINGER
DOI: 10.1007/s13131-014-0482-x
Keywords
coastline interpretation; TM/ETM; data mining; rule
Categories
Funding
- Science and Technology Development Plan Projects of Shandong Province of China [2011YD15005]
- National Natural Science Foundation of China [91130035, 40906094]
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A coastline is defined as the average spring tide line. Different types of seacoast, such as sandy, silty, and biological coast, have different indicators of interpretation. It is very difficult to develop a universal method for interpreting all shorelines. Therefore, the sandy, the silty, and the biological coast are regarded as research objects, and with data mining technology, found the rules of interpretation of those three types of coastlines. Then, an intelligent coastline interpretation method based on rules was proposed. Firstly, the rules for extracting the waterline in Landsat TM/ETM+ (Thematic Mapper/Enhanced Thematic Mapper Plus) imagery were discovered. Then, through analyzing the features of sandy, silty and biological coast, the indicators of interpreting different types of shoreline were determined. According to the indicators, the waterline could be corrected to the real coastline. In order to verify the validity of the proposed algorithms, three Landsat TM/ETM+ imageries were selected for case studies. The experimental results showed that the proposed methods could interpret the coastlines of sandy, silty, and biological coasts with high precision and without human intervention, which exceeded three pixels.
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