According to an aspect, a device includes a camera configured to obtain an image, an electromagnetic radiation sensor configured to produce at least one of ultra-violet (UV) light data and infrared (IR) light data associated with the image, a sensor processor configured to detect an illuminant type probability from probability data using at least one of the UV light data and the IR light data, where the illuminant type probability indicates a level of confidence that a light source associated with the image is a particular illuminant type, and an auto-white balance unit configured to adjust auto-white balance with the illuminant type probability.