Method

Scale

Params

Set5

Set14

BSD100

Urban100

Manga109

PSNR/SSIM

PSNR/SSIM

PSNR/SSIM

PSNR/SSIM

PSNR/SSIM

VDSR

×2

665K

37.53/0.9590

33.05/0.9130

31.90/0.8960

30.77/0.9140

37.22/0.9750

LapSRN

812K

37.52/0.9591

33.08/0.9130

31.08/0.8950

30.41/0.9101

37.27/0.9740

EDSR

1370K

37.99/0.9604

33.57/0.9175

32.16/0.8994

31.98/0.9272

38.54/0.9769

CARN

1592K

37.76/0.9590

33.52/0.9166

32.09/0.8978

31.92/0.9256

38.36/0.9765

IMDN

694K

38.00/0.9605

33.63/0.9177

32.19/0.8996

32.17/0.9283

38.88/0.9774

RFDN-L

626K

38.08/0.9606

33.67/0.9190

32.18/0.8996

32.24/0.9290

38.95/0.9773

ESRT

677K

38.03/0.9600

33.75/0.9184

32.25/0.9001

32.58/0.9318

39.12/0.9774

LFCSTN (ours)

554K

38.08/0.9613

33.92/0.9219

32.28/0.9018

32.47/0.9018

39.02/0.9780

VDSR

×3

665K

33.66/0.9213

29.77/0.8314

28.82/0.7976

27.14/0.8279

32.01/0.9310

LapSRN

812K

33.82/0.9227

29.87/0.8320

28.82/0.7980

27.07/0.8280

32.21/0.9350

EDSR

1555K

34.37/0.9270

30.28/0.8417

29.09/0.8052

28.15/0.8527

33.45/0.9439

CARN

1592K

34.29/0.9255

30.29/0.8407

29.06/0.8034

28.06/0.8493

33.50/0.9440

IMDN

703K

34.36/0.9270

30.32/0.8417

29.09/0.8046

28.17/0.8519

33.61/0.9445

RFDN-L

633K

34.47/0.9280

30.35/0.8421

29.11/0.8053

28.32/0.8547

33.78/0.9458

ESRT

770K

34.42/0.9268

30.43/0.8433

29.15/0.8063

28.46/0.8574

33.95/0.9455

LFCSTN (ours)

561K

34.52/0.9286

30.53/0.8460

29.18/0.8088

28.48/0.8592

33.96/0.9469

VDSR

×4

665K

31.35/0.8838

28.01/0.7674

27.29/0.7251

25.18/0.7524

28.83/0.8809

LapSRN

812K

31.54/0.8850

28.19/0.7720

27.32/0.7270

25.21/0.7560

29.09/0.8900

EDSR

1518K

32.09/0.8938

28.58/0.7813

27.57/0.7357

26.04/0.7849

30.35/0.9067

CARN

1592K

32.13/0.8937

28.60/0.7806

27.58/0.7349

26.07/0.7837

30.47/0.9084

IMDN

715K

32.21/0.8948

28.58/0.7811

27.56/0.7353

26.04/0.7838

30.45/0.9075

RFDN-L

643K

32.28/0.8957

28.61/0.7818

27.58/0.7363

26.20/0.7883

30.61/0.9096

ESRT

751K

32.19/0.8947

28.69/0.7833

27.69/0.7379

26.39/0.7962

30.75/0.9100

LFCSTN (ours)

571K

32.34/0.8972

28.72/0.7851

27.67/0.7412

26.49/0.7981

30.97/0.9142