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17 December 1979 Digital Restoration Of AC-Coupled Infrared Images
R. J. Becherer, B. A. Capron
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Proceedings Volume 0197, Modern Utilization of Infrared Technology V; (1979) https://doi.org/10.1117/12.957991
Event: 23rd Annual Technical Symposium, 1979, San Diego, United States
Abstract
A simple digital recursion relation has been developed to restore images which have been degraded by the AC coupling characteristics of infrared imaging sensors. The recursion relation is derived and shown to be equivalent to inverse filtering. To indicate the magnitude of the distortion due to AC coupling the RMS deviation between input and output signals is calculated for a single rectangular pulse and a series of rectangular pulses. Examples of images before and after the recursive restoration process are shown.
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R. J. Becherer and B. A. Capron "Digital Restoration Of AC-Coupled Infrared Images", Proc. SPIE 0197, Modern Utilization of Infrared Technology V, (17 December 1979); https://doi.org/10.1117/12.957991
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KEYWORDS
Infrared imaging
Sensors
Infrared radiation
Infrared technology
Rectangular pulse
Convolution
Digital filtering
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