Noise Prism: A Novel Multispectral Visualization Technique

Trevor D Canham, Javier Vazquez-Corral, David L Long, Richard F Murray, Michael S Brown

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A novel technique for visualizing multispectral images is proposed. Inspired by how prisms work, our method spreads spectral information over a chromatic noise pattern. This is accomplished by populating the pattern with pixels representing each measurement band at a count proportional to its measured intensity. The method is advantageous because it allows for lightweight encoding and visualization of spectral information while maintaining the color appearance of the stimulus. A four alternative forced choice (4AFC) experiment was conducted to validate the method’s information-carrying capacity in displaying metameric stimuli of varying colors and spectral basis functions. The scores ranged from 100% to 20% (less than chance given the 4AFC task), with many conditions falling somewhere in between at statistically significant intervals. Using this data, color and texture difference metrics can be evaluated and optimized to predict the legibility of the visualization technique.
Idioma originalEnglish
Títol de la publicacióColor and Imaging Conference
Nombre de pàgines6
Estat de la publicacióPublicada - 2023


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