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EURASIP Journal on Image and Video Processing

Table 2 The wavelengths corresponding to the peak sensor responses and FWHM of the spectral responses of sensors with Gaussian spectral responses used to investigate the projection-based algorithm

From: Analysis of colour constancy algorithms using the knowledge of variation of correlated colour temperature of daylight with solar elevation

Sensor ID

1

2

3

4

Peak position (nm)

437.5

512.5

587.5

662.5

Spectral width (nm) (FWHM)

80.0

80.0

80.0

80.0

Eigen vector 1

0.0977 0.366 –0.925

   

Eigen vector 2

0.647 –0.729 –0.220

   
  1. The table also contains the eigen vectors used to calculate the illuminant invariant features from the normalised logarithmic responses (normalised by shortest wavelength sensor response) in projection algorithm.
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