Patent ID: 7885536
Filing Date: 2011-02-08
Classification: G01J,G03B,H04N

Abstract:
1. An article comprising a machine-readable medium embodying information indicative of instructions that when performed by one or more machines result in operations comprising: positioning a first filter in an optical path of an infrared camera, the first filter configured to pass a narrow wavelength band including a first wavelength; positioning a third filter in the optical path of the infrared camera, the third filter having a first attenuation; acquiring first subframe image data associated with the first wavelength and the first attenuation at a detector of the infrared camera using a first exposure; acquiring second subframe image data associated with the first wavelength at the detector using a second exposure; generating first wavelength image data based on at least some of the first subframe image data and the second subframe image data; positioning a second filter in the optical path of the infrared camera, the second filter configured to pass a narrow wavelength band including a second different wavelength; positioning a fourth filter in the optical path of the infrared camera, the fourth filter having a second attenuation different than the first attenuation; acquiring image data associated with the second wavelength and the second attenuation at the detector; generating second wavelength image data based on the image data associated with the second wavelength; and determining one or more physical properties of one or more graybodies within the first and second wavelength image data by using the first wavelength image data and the second wavelength image data.