Table 2 Quality comparison of interpolation frames with the proposed and conventional algorithms in terms of various metrics

Akko

NQM

9.68

19.05

19.25

21.00

IFC

2.19

5.26

5.40

5.58

SSIM

0.76

0.94

0.93

0.95

VIF

0.33

0.67

0.67

0.72

UQI

0.55

0.86

0.84

0.86

Ballroom

NQM

8.82

14.70

15.40

15.84

IFC

2.49

4.15

4.35

4.28

SSIM

0.81

0.89

0.91

0.90

VIF

0.36

0.56

0.58

0.58

UQI

0.62

0.73

0.75

0.75

Exit

NQM

17.25

27.36

29.72

28.18

IFC

1.67

2.97

3.20

3.16

SSIM

0.85

0.92

0.94

0.93

VIF

0.31

0.51

0.53

0.53

UQI

0.47

0.56

0.60

0.60

Flamenco2

NQM

14.32

17.69

20.66

20.30

IFC

1.30

2.20

2.76

2.63

SSIM

0.84

0.89

0.93

0.93

VIF

0.23

0.36

0.45

0.44

UQI

0.57

0.69

0.74

0.74

Race1

NQM

7.28

15.50

13.45

18.52

IFC

0.75

2.43

1.95

3.00

SSIM

0.64

0.80

0.77

0.89

VIF

0.11

0.34

0.26

0.44

UQI

0.29

0.58

0.50

0.66

Rena

NQM

8.47

12.40

12.77

13.61

IFC

2.45

4.57

5.24

5.05

SSIM

0.92

0.96

0.97

0.97

VIF

0.45

0.69

0.76

0.73

UQI

0.58

0.76

0.80

0.79

Average

NQM

8.09

13.22

13.59

14.88

IFC

1.53

3.10

3.28

3.42

SSIM

0.66

0.74

0.75

0.77

VIF

0.25

0.44

0.45

0.48

UQI

0.43

0.60

0.60

0.63