La ripresa in infrarosso falso colore: nuove tecniche di utilizzo

The use of the CCD (charge-coupled devices) video camera rather than Vidicon cameras in infrared false color analysis is discussed. Among the advantages of the CCD is the rapidity of developing the image, absence of geometric distortions, greater uniformity, possibility to work in the presence of strong electric or magnetic fields, reduced weight and size of the equipment, and sturdiness against vibrations. The camera, equipped with relative filters to register green, red, and infrared, is connected to a computer with appropriate image digitalization system. The three images are digitalized and connected to the classic red, green, blue on the color monitor. In a relatively short time span (that necessary to change filters) a false color digitalized image is obtained. -- AATA