研究目的
Extending the Fast-Sup-GLRT detector to a signal model considering correlated clutter for the detection of multiple scatterers in SAR Tomography.
研究成果
The clutter correlation model describes the data better and allows for better discrimination between multiple scatterers. The building is well reconstructed in both cases, with more singles and doubles detected when clutter correlation is considered.
研究不足
The study is limited to urban applications where the number of scatterers is usually one or two per resolution cell. The covariance matrix computation for clutter correlation can be further improved.
1:Experimental Design and Method Selection:
The study extends the Fast-Sup-GLRT detector to a model considering correlated clutter.
2:Sample Selection and Data Sources:
TerraSAR-X real data of a building in Barcelona are used.
3:List of Experimental Equipment and Materials:
TerraSAR-X system parameters are utilized.
4:Experimental Procedures and Operational Workflow:
The method involves detecting single and double scatterers in SAR images, considering both white noise and clutter correlation.
5:Data Analysis Methods:
The performance is evaluated based on the detection of scatterers and their localization in 3D space.
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