Multispectral photos of Lippman Plates

Hyperspectral measurements of historical Lippmann photographs and simulate the Lippmann process, analysed in https://github.com/LCAV/lippmann-photography.

Contents
The multispectral cubes are in the directory `Cubes`.
It contains the photos of the following plates:

1. Saasfee: made by Gabriel Lippmann between 1891 and 1899 in Saas-Fee, Switzerland. 
2. Parrot: made by Richard Neuhauss in 1899 and is of a parrot.
3. Modern plates made at LCAV:
   •  two photos of the same colour checker plated + multispectral measurements of the colour checker in question
   • a photo of a plate made with light dispersed on a prism

Data formats:

1. .hdr: header files, contains e.g. wavelengths at which the data was acquired by a SPECIM camera (see http://www.specim.fi/)
2. .dat: data cubes acquired by a SPECIM camera (see http://www.specim.fi/)
3. _cut.txt: text file with four numbers describing how to crop the image to have only the interesting part
4. .png: three colour preview