Colour imaging

Greg Blackman examines the advances being made in software and imaging technology for inspecting webs of printed material

Tom Eddershaw finds that, with new polymer banknotes entering circulation in various countries, colour imaging systems that offer extended sensitivity into the infrared and ultraviolet are needed to inspect the printed money

Rob Coppinger investigates what it takes to make an accurate colour reading, from software calibration to the colour sensors used

Greg Blackman investigates the complexities of imaging in colour

Technical progress and increased demand is seeing colour imaging advance from its established print inspection market to a host of other applications. Stephen Mounsey looks at the challenges of reproducing colours in machine vision

Colour inspection on the factory floor is finally coming of age, 147 years after the first colour image was taken. David Robson investigates why it took so long, and how machine vision suppliers are making up for lost time