Skip to main content

Table 1 Probabilities that the variance of the original block is larger than that of the interpolated block for various demosaicing algorithms (Bayer configuration C 1 is used)

From: Estimation of Bayer CFA pattern configuration based on singular value decomposition

Demosaicing method

Probabilities

Pr[σ 2(R 1) > σ 2(Ȓ 4)]

\( Pr\left[{\sigma}^2\left({\boldsymbol{G}}_2\right)>{\sigma}^2\left({\overset{\frown }{\boldsymbol{G}}}_1\right)\right] \)

\( Pr\left[{\sigma}^2\left({\boldsymbol{G}}_3\right)>{\sigma}^2\left({\overset{\frown }{\boldsymbol{G}}}_1\right)\right] \)

\( Pr\left[{\sigma}^2\left({\boldsymbol{B}}_4\right)>{\sigma}^2\left({\overset{\frown }{\boldsymbol{B}}}_1\right)\right] \)

Bilinear

0.9655

0.9512

0.9509

0.9596

AHD

0.4920

0.6865

0.7136

0.5236

VNG

0.7702

0.8749

0.8589

0.6934

AMaZE

0.5483

0.5345

0.5638

0.5843

DCB

0.8439

0.9588

0.9559

0.7331

IGV

0.5872

0.6816

0.6900

0.5794

LMMSE

0.5947

0.6600

0.6779

0.6623

HPHD

0.5139

0.4408

0.4538

0.5348

Average

0.6646

0.7235

0.7336

0.6588