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In functional terms it is the spatial domain version of the modulation transfer function.
For most tubes, the limiting resolution is defined as the point at which the modulation transfer function becomes three percent or less.
Their modulation transfer function shows low contrast at low spatial frequencies.
The modulation transfer function in a specific spatial frequency is defined by:
This blurring can be measured as a contribution to the modulation transfer function of the imaging system.
In optics, modulation transfer function indicates the capability of optical contrast transmission.
However the limiting resolution itself is a measure of the Modulation Transfer Function.
Their spatial modulation transfer function is low-pass, with an upper limit of about 0.6 cycles per degree.
Contrast transfer function, in general imaging (see also Modulation transfer function)
Modulation transfer function (infrared imaging)
The modulation transfer function (MTF) is used to approximate the position of best focus of an infrared imaging system.
This "modulation transfer function" is one characteristic of a lens system, one often sees listings for how many "lines per mm" a camera lens can resolve.
The modulation transfer function (MTF) is defined as the discrete Fourier transform of the line spread function.
MTF (Modulation Transfer Function)
Minimum resolvable temperature difference (MRTD) is a measure for assessing the performance of infrared cameras, and is inversely proportional to the modulation transfer function.
Since there were as many micro-lenses as there were original pixels, no resolution was lost, which was confirmed with modulation transfer function (MTF) measurements.
The lens' modulation transfer function (MTF) metrics for its image resolution (sharpness) were described as "surprisingly impressive...throughout the entire zoom range" by Photozone.de.
MTF on Optipedia Modulation transfer function written by Glenn D. Boreman on Optipedia.
The modulation transfer function represents the Bode plot of an imaging system (such as a microscope or the human eye), and thus depicts the filtering characteristic of the imaging system.
The contrast, normalised to make the contrast at zero spatial frequency equal to unity, expressed as a function of spatial frequency, is the definition of the modulation transfer function.
The ability of an x-ray detector to produce high-quality images is determined largely by the modulation transfer function (MTF) and detective quantum efficiency (DQE) of the system.
Any attempt to create a false "in camera original" by copying Zapruder's film would leave visible artifacts of "image structure constraints of grain; [and] contrast and modulation transfer function losses.
"Imatest measures system sharpness as Spatial Frequency Response (SFR), which is pretty much the same thing as Modulation Transfer Function (MTF).
The magnitude is known as the Modulation Transfer Function (MTF) and the phase portion is known as the Phase Transfer Function (PTF).
In the most common applications (cameras and video systems) it is the modulation transfer function (MTF), the magnitude component of the OTF, that is most relevant, although the phase component can have a secondary effect.