Optical EngineeringMinimum resolvable temperature difference model: a critical evaluation
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Discrepancies between the predicted minimum resolvable temperature difference (MRTD) and field performances are indicative of the fact that the modeling of MRTD has certain inherent problems. Several sources for MRTD error are identified. MRTD is also shown to be a special case of a more general minimum resolvable luminance difference (MRLD) measure. The MRLD measure involves absolute temperature and can be used to describe more generic targets.