in flames, burning coal particles, heated materials, SiC filaments, and smoldering embers. This pyrometry has been performed using external filters or only the sensor's Bayer filters. It has been performed using color ratios, grayscales, and/or a hybrid of both. See also References External links Infrared Tube, infrared imaging science demonstrations Compix, Some uses of thermographic images in electronics Thermographic Images, Infrared pictures Uncooled thermal imaging works round the clock by Lawrence Mayes Archaeological aerial thermography IR Thermometry & Thermography Applications Repository , IR Thermometry & Thermography Applications Repository Infrared imaging Surveillance