基于Boosting的高光谱遥感切空间协同表示集成学习方法
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虞瑶,苏红军,姚文静
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Boosting Ensemble Learning for Hyperspectral Image Classification Using Tangent Collaborative Representation
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Yao Yu,Hongjun Su,Wenjing Yao
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表3 实验二分类精度统计
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Table 3 Classification Accuracy Statistics of Experiment 2
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类别 | 训练样本 | 测试样本 | Boosting | RF | ELM | TCRC | AdaBoost ELM | Boost TCRC |
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C1 | 72 | 1 356 | 55.41 | 57.69 | 62.81 | 77.25 | 64.70 | 84.85 | C2 | 42 | 788 | 62.28 | 45.65 | 54.27 | 82.03 | 53.77 | 75.27 | C3 | 25 | 458 | 73.51 | 73.44 | 87.20 | 97.59 | 90.84 | 95.83 | C4 | 37 | 693 | 89.22 | 91.23 | 94.67 | 94.47 | 96.94 | 97.29 | C5 | 24 | 454 | 94.05 | 97.05 | 99.04 | 99.52 | 99.80 | 100 | C6 | 49 | 923 | 58.46 | 51.53 | 56.81 | 80.01 | 55.69 | 73.18 | C7 | 123 | 2332 | 63.06 | 79.60 | 62.90 | 66.03 | 63.54 | 75.16 | C8 | 30 | 563 | 52.91 | 35.99 | 62.93 | 81.43 | 71.67 | 84.19 | C9 | 64 | 1 201 | 94.81 | 95.27 | 98.45 | 98.49 | 98.93 | 99.14 | 总体分类精度/% | 69.48 | 71.05 | 71.51 | 80.14 | 72.09 | 84.11 | 平均分类精度/% | 71.53 | 69.72 | 75.45 | 86.31 | 77.32 | 87.21 | Kappa系数 | 0.637 1 | 0.655 3 | 0.662 1 | 0.762 8 | 0.668 4 | 0.812 0 | 时间/s | 12.21 | 0.35 | 0.13 | 164.30 | 2.30 | 3 651.34 |
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