• Laser & Optoelectronics Progress
  • Vol. 57, Issue 23, 231202 (2020)
Xunqiang Gong1、2、*, Fangze Zhang1、2, Tieding Lu1、2, and Zhigao Chen2
Author Affiliations
  • 1Fundamental Science on Radioactive Geology and Exploration Technology Laboratory, East China University of Technology, Nanchang, Jiangxi 330013, China
  • 2Faculty of Geomatics, East China University of Technology, Nanchang, Jiangxi 330013, China
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    DOI: 10.3788/LOP57.231202 Cite this Article Set citation alerts
    Xunqiang Gong, Fangze Zhang, Tieding Lu, Zhigao Chen. Abnormal Training Samples Detection Method Based on Median Absolute Deviation[J]. Laser & Optoelectronics Progress, 2020, 57(23): 231202 Copy Citation Text show less
    Verified sample
    Fig. 1. Verified sample
    Different types of training samples. (a) Impure sample; (b) wrong choice sample
    Fig. 2. Different types of training samples. (a) Impure sample; (b) wrong choice sample
    Classification results before and after removal impure training samples. (a) Before removal; (b) after removal
    Fig. 3. Classification results before and after removal impure training samples. (a) Before removal; (b) after removal
    Classification results before and after ramoval of wrongly selected training samples. (a) Before removal; (b) after removal
    Fig. 4. Classification results before and after ramoval of wrongly selected training samples. (a) Before removal; (b) after removal
    ClassBefore removalAfter removal
    Producer/%User/%Producer/%User/%
    Building99.49464.12596.86694.571
    Vegetation68.037100.00095.65899.807
    Water71.03084.29599.80797.097
    Bare ground81.88386.31698.57399.711
    Table 1. Classification accuracy before and after removal impure training samples
    ClassBefore removalAfter removal
    Producer/%User/%Producer/%User/%
    Building94.43962.32997.57398.469
    Vegetation79.67699.88499.30799.583
    Water79.78885.508100.00098.674
    Bare ground67.47598.54298.28898.569
    Table 2. Classification accuracy before and after removal of wrongly selected training samples
    Xunqiang Gong, Fangze Zhang, Tieding Lu, Zhigao Chen. Abnormal Training Samples Detection Method Based on Median Absolute Deviation[J]. Laser & Optoelectronics Progress, 2020, 57(23): 231202
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