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Wetland types of Yellow River Delta are various and serious phenomena of 'same object with different spectrum' and 'different object with same spectrum' is one of the reasons caused low classification accuracy. Combination with multi source images is an efficient method to mitigate this influence. In the paper, principal component transform was carried out to Radarsat four polarization data and the...
In the lower Yellow River, main-stream changes frequently for quickly change of channel sediment erosion and deposition, so it has a great significant to monitor its variation with remote sensing data during flood control decision-making. However, water spectral difference is weak and unsteady between main-stream area and other flow area in river, which leads main-stream's feature unclear and difficult...
Yellow River is well known as sediment-laden river in the world with main-stream quickly change in its lower channel, so main-stream should be understood timely at flood season. Remote sensing is a primary approach to get main-stream information timely, however it has still some difficulties in interpreting it on image. DTCC (Dynamic Transmission Cross-Correlation) algorithm has been successfully...
The main-flow is wandering for sedimentation in downstream channel of the Yellow River, which threatened security greatly for flood control in the lower. It is a very difficult issue to interpret the main-flow information using remote sensing image. In this paper, with the flow characteristics of direction and continuously similarity in river channel, a Dynamic Transmission Cross-Correlation (DTCC)...
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