pupilsizeangle

The pupilsizeangle function returns the angle dependend apparent pupil size factor.

readaometervig

The readaometervig function reads the pixel-wise vignetting calibration factor from from an αΩ-meter vignetting calibration file.

readaometerangles

The readaometerangles function reads a binary file containg αΩ-meter pixel-wise solid angle data.

gindex

The gindex function calculates the spectral G-index, a scalar unit corresponding to the energy contribution of the blue part of a given spectral power distribution

aopicroi

The aopicroi function returns mean values of the region of interest in the field of view defined with a binary mask.

specvar

The specvar functions determines the variance and standard deviation of an arbitrary number of input spectra.

aopic2hdr

The aopic2hdr function reconstructs the RGB HDR of an alpha-opic image created with the alphaOmega-meter.

writeldt

The writeldt function saves a given luminous distribution curve as EULUMDAT file.

specbar

The specbar function adds a spectral colour bar to a figure.

ciespecagetrans

The ciespecagetrans function returns the age dependent ocular spectral transmission factors.

ciespecagecorr

The ciespecagecorr function returns the age dependent ocular spectral transmission correction factors according to CIE S026:2018.

normldc

The normldc function normalizes a given luminous intensity distribution struct to cd/klm.

specbandwidth

The specbandwidth function determines the bandwidth of a narrowband spectral power distributions (SPDs) at one half peak maximum or other thresholds.

speccentroid

The speccentroid function determines the spectral centroid or “center of mass” for any given spectral power distribution.

specpeak

The specpeak function determines the spectral peak wavelength for any given spectral power distribution.

specspread

The specspread functions determines the standard deviation of spectral centroids, also called spectral spread.

fisheyeang

The fisheyeang function creates angle matrices with equi-angluar projection for a given fisheye image resolution.

fieldofview

The fieldofview function creates field of view image masks for fisheye images.

readhyperspec

The readhyperspec function import hyperspectral image matrices created with LUMOS.

texify

The texify function changes the appearance of all text elements in a figure to LaTeX standard.