Table 3 Validation outcomes of the suggested algorithm compared to other approaches.

From: Automatic face detection based on bidirectional recurrent neural network optimized by improved Ebola optimization search algorithm

Function

PIOA56

SDO57

BOA58

IEOSA

Avg

Std

Avg

Std

Avg

Std

Avg

Std

F1

9.81 × 102

9.93 × 102

11.71 × 102

9.10 × 109

9.39 × 106

5.88 × 107

9.89 × 102

8.61 × 102

F3

8.36 × 102

5.57 × 10−1

7.69 × 104

5.95 × 104

6.69 × 103

3.52 × 103

7.51 × 102

5.23 × 102

F4

9.58 × 102

8.63 × 10 −1

12.82 × 102

6.93 × 102

8.55 × 102

8.13 × 101

6.25 × 102

4.95

F5

9.53 × 102

7.25

10.18 × 102

7.23 × 101

9.91 × 102

6.92 × 101

9.36 × 102

5.25

F6

10.22 × 102

8.23 × 10−14

10.34 × 102

5.77 × 101

10.61 × 102

5.59 × 101

10.45 × 102

5.39 × 10 −1

F7

11.57 × 102

9.19 × 102

12.32 × 102

6.93 × 101

11.84 × 102

6.59 × 101

11.16 × 102

8.83

F8

22.56 × 102

8.75

23.78 × 102

6.73 × 101

22.95 × 102

5.93 × 101

22.16 × 102

8.93

F9

36.00 × 102

6.95

5.93 × 103

11.03 × 102

4.87 × 103

8.18 × 102

22.43 × 102

6.93

F10

4.91 × 103

3.53

5.67 × 103

7.82 × 102

4.89 × 103

5.91 × 102

4.83 × 103

5.18 × 102