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EURASIP Journal on Wireless Communications and Networking

Table 4 Performance of BP neural network with different number of hidden layer nodes

From: An image denoising method based on BP neural network optimized by improved whale optimization algorithm

Size of the sliding window

Number of hidden layer node

PSNR

3*3

13

18.67

15

20.67

17

19.74

5*5

13

22.17

15

23.57

17

21.91

7*7

13

23.44

15

23.55

17

22.82

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