Table 5 Computational time (seconds) required by the proposed algorithm and the nonlocal back project methods

N1

2,048 × 2,560

365.221388

56,902.158

38.811761

N2

2,048 × 2,560

366.667311

49,838.346

37.482078

N5

2,048 × 2,560

361.005792

57,614.404

38.188074

N4

2,560 × 2,048

367.104573

59,545.188

39.593662

N6

2,560 × 2,048

360.240996

64,205.242

39.867318

N7

2,560 × 2,048

354.380109

58,801.846

38.624665

N8

2,560 × 2,048

355.603370

56,018.748

39.447973

QFHD_P01

3,840 × 2,160

562.299157

169,538.659

63.022658

QFHD_P03

3,840 × 2,160

559.187032

83,501.423

64.054184

QFHD_P04

3,840 × 2,160

569.389138

59,545.188

67.990431

world_satellite

6,000 × 4,190

1,933.869665

36,711.171

206.892703