[Rick Osgood] wanted to build a color sensor that could be held up to any object to get RGB color values. He originally started with a photoresistor and a few LEDs, but couldn’t get that to work ...

A method of compressing an image that enables 8 bits per pixel to look almost as good as 24 bits per pixel. The technique determines the 256 most frequently used colors in the image and creates a ...

The calculator features an intuitive user interface, permitting users to select the desired ICLED type, batch, colour, and brightness in the CIE 1931 standard colour system ('xy colour space'). The ...