17 July 2000 T-CAT: a new thermal camera acuity tester
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Abstract
T-CAT (Thermal Camera Acuity Tester) is a thermal `eye chart' for measuring the spatial resolution (`sensor acuity') of thermal imaging systems. It is a small, portable system,, that is used in a similar way as the optometrists' visual acuity charts. The design is an implementation of the TOD (Triangle Orientation Discrimination) method for Electro-Optic sensor characterization that has recently been introduced. The purpose of the T-CAT is do quick and easy assessments of thermal imager performance, e.g. for routine testing such as go/nogo decisions. T-CAT measures system performance including the human observer, which is still the best way to assess actual field performance of an imaging device.
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J. Mathieu Valeton, Piet Bijl, Evert Agterhuis, Sjaak Kriekaard, "T-CAT: a new thermal camera acuity tester", Proc. SPIE 4030, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XI, (17 July 2000); doi: 10.1117/12.391783; https://doi.org/10.1117/12.391783
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