Examples of 'spatial frequencies' in a sentence
Meaning of "spatial frequencies"
spatial frequencies: Describes the distribution or variation of signal intensities in different spatial dimensions, commonly used in image processing or signal analysis
How to use "spatial frequencies" in a sentence
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spatial frequencies
Her smile is in the lower spatial frequencies.
High and low spatial frequencies in website evaluations.
The image as a network of spatial frequencies.
The high spatial frequencies in an image give it its fine details.
Occluding objects are typically identified by high spatial frequencies.
The sensors filter the spatial frequencies reaching them.
Aerial perspective reduces the contrast of all spatial frequencies.
The notion of spatial frequencies made accessible has been described above.
Noise should be concentrated in high and medium spatial frequencies.
It can encompass many spatial frequencies above the threshold of visible roughness.
Edges and corner can be seen as high spatial frequencies.
This is because lower spatial frequencies tend to have higher amplitudes within the image blocks.
A trained operator views a series of pinhole targets at different spatial frequencies.
Temperature distribution can not contain high spatial frequencies on account of thermal diffusion.
A multiband convolution filter can be constructed by selectively sampling spatial frequencies.
See also
The human visual system utilizes most spatial frequencies resolvable by neural sampling.
O study of contrast sensitivity function over at least six spatial frequencies.
Valid everywhere except at high spatial frequencies for which the envelope function.
The boosted illuminations vary smoothly and are of low spatial frequencies.
A smooth shape will have lower spatial frequencies and longer rise times.
Their modulation transfer function shows low contrast at low spatial frequencies.
The coefficients corresponding to the high spatial frequencies are often the most affected by compression.
Blurring is accomplished by reducing the contrast only of the high spatial frequencies.
These aberration frequencies are advantageously spatial frequencies corresponding to contrast inversions of the imaging system.
Then it generates a plurality of orthogonal transform coefficients as image data by spatial frequencies.
A filter is a procedure that removes certain spatial frequencies from a band of an image.
Indicates the contrast of a pattern at a given spatial frequency relative to very low spatial frequencies.
It is important that an optical system transfers spatial frequencies with a minimum of distortion.
The painters had significantly lower contrast sensitivity than the control at all spatial frequencies.
The spatial frequencies of an image are usually determined by Fourier transform.
Alternatively a different pattern plate with altered spatial frequencies may be employed.
The searched for spatial frequencies determine the acquisition configuration ( s ) to be selected.
The envelope terms comprising the envelope function tend to suppress high spatial frequencies.
Each subband image contains temporal and spatial frequencies defined by the filterbank 12.
Modulation is substantially better for the glass-diffraction structure at all spatial frequencies.
Second, upsampling introduces higher spatial frequencies initially carrying zero energy, in the hologram.
The weighting is such that the coefficients corresponding to the low spatial frequencies are favoured.
Each layer represents a sub-band of spatial frequencies or detail sizes present in the original image.
The MTF is the attenuation factor of spatial frequencies.
Advantageously, the spatial frequencies tested correspond directly to those used for traditional visual acuity tests.
At the beginning of iterations, high spatial frequencies can be obtained.
These spatial frequencies Fs are plotted in abscissas ; and in ordinates, the units are arbitrary.
Stimuli consisted of square-wave gratings of various spatial frequencies.
They also concluded that at lower spatial frequencies White 's illusion is still present.
Bayer patterns, minimizing power spectral density at low spatial frequencies.
The corresponding spatial frequencies consequently have as component along the horizontal axis, EPMATHMARKEREP.
The contrast, color contrast and filtering of the spatial frequencies were increased.
Preferably, ten spatial frequencies are selected, the limits of which correspond to wavelengths of 10 m and 100 m.
Occluding objects, on the other hand, have no per pixel static spatial frequencies.
The peak values 301 occur at different spatial frequencies for the two different wavelengths.
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Examples of using Frequencies
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Frequencies can be stored for quick access
I am looking into frequencies but nothing so far
Frequencies may vary depending on the indication
Examples of using Spatial
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Land administration and spatial data infrastructure
Spatial distribution and its time evolution
Other informative spatial data may include
