Deep Learning Approach for Building Detection Using LiDAR–Orthophoto Fusion

Table 2

Optimization of CNN hyperparameters.

Parameter	Search space	Optimal value
Optimizer	(rmsprop, adam, nadam, Adamax, Adadelta, sgd)	Adamax
Number of filters	(16, 32, 64, 128)	128
Number of hidden nodes	(3, 10, 50, 100)	10
Dropout rate	(0, 0.2, 0.3, 0.5)	0.2
Batch size	(4, 8, 16, 32, 64)	8