Table of contents
16.5.3 Object parameters.......................................................... 53
16.6 Taking images—practical tips ...................................................... 53
16.7 Conclusion .............................................................................. 54
17 About calibration............................................................................... 55
17.1 Introduction ............................................................................. 55
17.2 Definition—what is calibration? .................................................... 55
17.3 Camera calibration at FLIR Systems ............................................. 55
17.4 The differences between a calibration performed by a user and
that performed directly at FLIR Systems......................................... 56
17.5 Calibration, verification and adjustment.......................................... 56
17.6 Non-uniformity correction............................................................ 57
17.7 Thermal image adjustment (thermal tuning) .................................... 57
18 History of infrared technology............................................................. 58
19 Theory of thermography..................................................................... 61
19.1 Introduction ............................................................................. 61
19.2 The electromagnetic spectrum..................................................... 61
19.3 Blackbody radiation................................................................... 62
19.3.1 Planck’s law .................................................................. 63
19.3.2 Wien’s displacement law.................................................. 64
19.3.3 Stefan-Boltzmann's law ................................................... 65
19.3.4 Non-blackbody emitters................................................... 66
19.4 Infrared semi-transparent materials............................................... 68
20 The measurement formula.................................................................. 69
21 Emissivity tables ............................................................................... 73
21.1 References.............................................................................. 73
21.2 Tables .................................................................................... 73
#T810252; r. AA/41997/41997; en-US
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