A demo script is provided to show how to implement a cone-isolating stimulus using silent substitution.
Full source code and documentation is provided allowing you to verify the veracity of our algorithms.Īdditional routines are supplied for use with the ViSaGe system to make it simple to define and display stimuli in colorimetric (perceptual) and retinal (physiological) measurements. Toolbox of MATLAB Routines for Colour Vision ResearchĪn entire suite of colour space calculation, manipulation, visualisation and transformation routines are supplied as MATLAB M files.
Automated measurement of transfer function characterisation across full-scale range.Simple to use graphical Measurement & Characterisation Control Panel.There is even support for the new CIE 2007 functions. The toolbox implements a new set of cone sensitivity based colour spaces especially designed for vision science. This means inaccurate measurements due to poorly implemented photopic filters are avoided. Unlike purely photometric and colorimetric solutions, the two devices work together to characterise the properties of the display over its full range. Spectral radiance for each RGB output exported to MATLAB workspaceĭisplay Device Calibration, Transfer Function Measurement and CharacterisationĪ new set of measurement and curve-fitting functions are provided that implement a robust and accurate gamma correction procedure for the ViSaGe and Bits# devices using ColorCAL MKII and SpectroCAL.2D plot of spectral radiance, other values tabulated.Measures spectral radiance, total radiance, photopic and scotopic luminance, chromaticity, colour temperature.Simple to use graphical Measurement Control Panel.
The Colour Toolbox uses the SpectroCAL to accurately measure the spectral characteristics of a computer display and subsequently enable the specification visual stimuli in colorimetric and physiologically based colour spaces.