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optical transfer function (medicine) and economics, medical (medicine)


optical transfer function (medicine)


optical transfer function
<microscopy> The relationship between the image produced by an optical instrument and the amplitude and phase of a periodic specimen, measured at various spatial frequencies.

The optical transfer function curve, which shows how well contrast is maintained for finer specimen details, is a complex function, of which the real term gives the ratio of amplitudes, and the imaginary term the phase Relationships.

When the brightness of the periodic specimen varies as a sine wave, the modulus or absolute value of the optical transfer function becomes the modulation transfer function, when the brightness varies as a square wave, the modulation transfer function is known as a contrast transfer function.

Acronym: OTF


economics, medical (medicine)


Economics, medical


Economic aspects of the field of medicine, the medical profession, and Health care. It includes the economic and financial impact of disease in General on the patient, the physician, society, or government.