- Multispectral techniques for capturing colour images, recognition of reflectances, illuminants and objects.

- Spectral recovery of radiances and reflectances from digital images.

- Optimisation and design of optical sensors in multispectral systems.

- Algorithms and computational models of colour constancy.

- Atmospheric optics: photometric, colorimetric and spectral characterisation of different varieties of natural light.

- Multispectral techniques applied to consultancy for the restoration of façades and exteriors of buildings of historical or architectural interest.