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isprs annals III 3 11 2016

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Figure 1. The architecture for Siamese CNN descriptor learning  share the learned parameters used in this paper
Table 1. Detailed architecture and learning parameters for the CNN used in this paper
Figure 4.  (Top) Momentum method and (Bottom) Nesterov's  Accelerated Gradient (NAG) (Sutskever et al., 2013)
Figure 6. Results of loss function for standard gradient descent,  standard gradient descent with momentum, NAG and the method suggested in this paper
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