Table 5 The BPNN model parameters.

From: Estimating apple tree canopy chlorophyll content based on Sentinel-2A remote sensing imaging

Implicit network layer

Input layer node number

The minimum training rate

The dynamic parameters

1

4

0.1

0.6

Sigmoid parameters

Margin of error

The largest number of iterations

First number of hidden layer nodes

0.9

0.0001

1000

3