Deep Belief Network for Feature Extraction of Urban Artificial Targets

Figure 9

Original spectrum curve of water body and reconstructed spectrum curve. (a) Original spectrum curve of water. (b) Number of hidden layer units 20, reconstructed water body spectrum curve. (c) Number of hidden layer units 40, reconstructed water body spectrum curve. (d) Number of hidden layer units 60, reconstructed water body spectrum curve. (e) Number of hidden layer units 80, reconstructed water body spectrum curve. (f) Number of hidden layer units 100, reconstructed water body spectrum curve.

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