In What your brain does with colours when you are not “looking”, part 1, I displayed some audio spectrogram data (courtesy of Giuliano Bernardi at the University of Leuven) using 5 different colormaps to render the amplitude […]
When I published the last post of my series The rainbow is dead…long live the rainbow! there was a great discussion in the comments section with Giuliano Bernardi, a Ph.D. student at the University of […]
Introduction In my last post I introduced a CIE Lab linear L* rainbow palette from a paper by Kindlmann et al. [1]. I used this palette with a map of South America created with data from […]
INTRODUCTION Before starting my series on perceptual color palettes I thought it was worth mentioning an excellent function I found some time ago on the Matlab File Exchange. The function is […]
Traffic lights for everyone Stephen Westland of Colour chat recently posted about a clever new LED traffic light developed in Japan. Here’s my tweet with the link to Westland’s original blog […]
In a previous post I introduced ImageJ, a very powerful open source image processing software. ImageJ allows users to display, edit, analyze, process, and filter images, and its capabilities are greatly […]
Today I would like to show a way to quickly create a pseudo-3D display from this map: The map is a screen capture of a meandering river near Galena, Alaska, […]
Introduction I love a visualization well done, whether by me or someone else. In fact, I love visualization period. I find there’s always something to learn by looking at an image […]
