Professionals in agriculture, defense and security, environmental monitoring, food quality analysis, industrial quality ...

A Purdue innovation that combines computer vision, color science and optical spectroscopy recovers detailed spectral information from photographs taken by conventional cameras.

Hyperspectral imaging accumulates and processes information from across the electromagnetic spectrum. Although only three bands are visible by the human eye (red, green, and blue), the spectrum is ...

RGB image from a smartphone (left); blood flow mapping (centre); overlaid images (right). Redder colours indicate higher blood perfusion. (Courtesy: Ruikang Wang) In a hyperspectral image, each pixel ...