LI Jian, CHEN Xiaoling, LIU Zixiao, TIAN Liqiao. Detection of Ships in Homogeneous from HJ-1 Optical Remote Sensing Images: A Case Study at the Poyang Lake[J]. Geomatics and Information Science of Wuhan University, 2015, 40(6): 727-731. DOI: 10.13203/j.whugis20130095
Citation: LI Jian, CHEN Xiaoling, LIU Zixiao, TIAN Liqiao. Detection of Ships in Homogeneous from HJ-1 Optical Remote Sensing Images: A Case Study at the Poyang Lake[J]. Geomatics and Information Science of Wuhan University, 2015, 40(6): 727-731. DOI: 10.13203/j.whugis20130095
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Detection of Ships in Homogeneous from HJ-1 Optical Remote Sensing Images: A Case Study at the Poyang Lake

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  • Takingadvantageofhighspatial temporalresolutionofHJ 1CCDremotesensingdata,wedevelopedanEnhancedContrastboxmethodtodetectshipsforinlandorcoastalareas,whereshipde tectionisusuallyimpairedbythesevereheterogeneitiesofhighlyturbidwaters.First,thewholeareawaspartitionedintomanyuniformregionsbasedonobject orientedsegmentationalgorithm.Then,differentEnhancedContrastboxeswereemployedoneachpartition,asdefinedbyvariousparametercombinations.TheproposedmethodwastestedandvalidatedonPoyangLake,thelargestfreshwaterlakeinChina.Ascomparedtothresholdsegmentation,theproposedEnhancedContrastboxmethodshowedhigherperformanceintermsofPD(PercentofDetection)andFoM(FigureofMerit)atarateof85%and0.82respectively.ThisstudyprovidesanefficientwaytodetectshipsatlargescaleandhighfrequencybasedonHJ 1CCDopticalremotesensingdatafromthePoyangLakeaswellasotherinlandlakesorcoastalregions.
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