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Scope

1.1 This test method covers the determination of the minimum resolvable temperature difference (MRTD) capability of the compound observer-thermal imaging system as a function of spatial frequency.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Significance and Use

This test relates to a thermal imaging system's effectiveness for discerning details in a scene.

MRTD values provide estimates of resolution capability and may be used to compare one system with another. (Lower MRTD values indicate better resolution.)

Note 1—Test values obtained under idealized laboratory conditions may or may not correlate directly with service performance.

Keywords

infrared imaging systems; minimum resolvable temperature difference; nondestructive testing; thermal imaging systems; thermography; infrared; Blackbody radiation facility; Compound observer-thermal imaging system; MDTD (minimum detectable temperature differences); Radiographic examination; Spatial frequency; Temperature tests; Thermal analysis (TA); Thermal imaging systems; ICS Number Code 17.180.20 (Colours and measurement of light)

To find similar documents by ASTM Volume:

03.03 (Nondestructive Testing)

To find similar documents by classification:

17.180.20 (Colours and measurement of light)

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