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112031
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Attenuation Coefficient
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A quantitative numerical statement of the relative attenuation of the X-Ray beam at a specified point. Usually expressed in Hounsfield units [referred to as CT Number in Fraser and Pare].
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113041
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Apparent Diffusion Coefficient
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The image isValues are derived by calculation of the apparent diffusion coefficient.
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113042
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Pixel by pixel addition
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The image isValues are derived by the pixel by pixel addition of two images.
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113043
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Diffusion weighted
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The image isValues are derived by calculation of the diffusion weighting.
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113044
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Diffusion Anisotropy
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The image isValues are derived by calculation of the diffusion anisotropy.
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113045
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Diffusion Attenuated
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The image isValues are derived by calculation of the diffusion attenuation.
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113046
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Pixel by pixel division
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The image isValues are derived by the pixel by pixel division of two images.
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113047
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Pixel by pixel mask
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The image isValues are derived by the pixel by pixel masking of one image by another.
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113048
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Pixel by pixel Maximum
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The image isValues are derived by calculating the pixel by pixel maximum of two or more images.
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113049
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Pixel by pixel mean
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The image isValues are derived by calculating the pixel by pixel mean of two or more images.
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113050
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Metabolite Maps from spectroscopy data
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The image isValues are derived by calculating from spectroscopy data pixel values localized in two dimensional space based on the concentration of specific metabolites (i.e, at specific frequencies).
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113051
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Pixel by pixel Minimum
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The image isValues are derived by calculating the pixel by pixel minimum of two or more images.
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113052
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Mean Transit Time
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The image isValues are derived by calculating mean transit time values.
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113053
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Pixel by pixel multiplication
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The image isValues are derived by the pixel by pixel multiplication of two images.
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113054
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Negative Enhancement Integral
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The image isValues are derived by calculating negative enhancement integral values.
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113055
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Regional Cerebral Blood Flow
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The image isValues are derived by calculating regional cerebral blood flow values.
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113056
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Regional Cerebral Blood Volume
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The image isValues are derived by calculating regional cerebral blood volume values.
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113057
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R-Coefficient Map
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The image is derived by calculating R-Correlation Coefficient, r map values.
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113058
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Proton Density map
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The image isValues are derived by calculating proton density values.
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113059
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Signal Change Map
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The image isValues are derived by calculating signal change values.
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113060
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Signal to Noise Map
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The image isValues are derived by calculating the signal to noise ratio.
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113061
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Standard Deviation
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The image isValues are derived by calculating the standard deviation of two or more images.
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113062
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Pixel by pixel subtraction
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The image isValues are derived by the pixel by pixel subtraction of two images.
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113063
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T1 Map
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The image isValues are derived by calculating T1 values.
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113064
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T2* Map
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The image isValues are derived by calculating T2* values.
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113065
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T2 Map
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The image isValues are derived by calculating T2 values.
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113066
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Time Course of Signal
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The image isValues are derived by calculating values based on the time course of signal.
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113067
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Temperature encoded
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The image isValues are derived by calculating values based on temperature encoding.
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113068
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Student's T-Test
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The image isValues are derived by calculating the value of the Student's T-Test statistic from multiple image samples.
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113069
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Time To Peak map
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The image isValues are derived by calculating values based on the time to peak.
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113070
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Velocity encoded
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The image isValues are derived by calculating values based on velocity encoded. E.g., phase contrast.
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113071
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Z-Score Map
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The image isValues are derived by calculating the value of the Z-Score statistic from multiple image samples.
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113072
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Multiplanar reformatting
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The image isValues are derived by reformatting in a flat plane other than that originally acquired.
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113073
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Curved multiplanar reformatting
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The image isValues are derived by reformatting in a curve plane other than that originally acquired.
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113074
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Volume rendering
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The image isValues are derived by volume rendering of acquired data.
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113075
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Surface rendering
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The image isValues are derived by surface rendering of acquired data.
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113076
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Segmentation
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The image isValues are derived by segmentation (classification into tissue types) of acquired data.
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113077
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Volume editing
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The image isValues are derived by selectively editing acquired data (removing values from the volume), such as in order to remove obscuring structures or noise.
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113078
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Maximum intensity projection
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The image isValues are derived by maximum intensity projection of acquired data.
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113079
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Minimum intensity projection
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The image isValues are derived by minimum intensity projection of acquired data.
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113080
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Glutamate and glutamine
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For single-proton MR spectroscopy, the resonance peak corresponding to glutamate and glutamine.
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113081
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Choline/Creatine Ratio
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For single-proton MR spectroscopy, the ratio between the Choline and Creatine resonance peaks.
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113082
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N-acetylaspartate /Creatine Ratio
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For single-proton MR spectroscopy, the ratio between the N-acetylaspartate and Creatine resonance peaks.
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113083
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N-acetylaspartate /Choline Ratio
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For single-proton MR spectroscopy, the ratio between the N-acetylaspartate and Choline resonance peaks.
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113085
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Spatial resampling
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The image isValues are derived by spatial resampling of acquired data.
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113086
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Edge enhancement
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The image isValues are derived by edge enhancement.
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113087
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Smoothing
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The image isValues are derived by smoothing.
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113088
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Gaussian blur
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The image isValues are derived by Gaussian blurring.
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113089
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Unsharp mask
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The image isValues are derived by unsharp masking.
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113090
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Image stitching
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The image isValues are derived by stitching two or more images together.
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113091
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Spatially-related frames extracted from the volume
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Spatially-related frames in this image are representative frames from the
referenced 3D volume data set.
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113092
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Temporally-related frames extracted from the set of volumes
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Temporally-related frames in this image are representative frames from the
referenced 3D volume data set.
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113093
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Polar to Rectangular Scan Conversion
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Conversion of a polar coordinate image to rectangular (Cartesian) coordinate image.
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113094
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Creatine and Choline
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For single-proton MR spectroscopy, the resonance peak corresponding to creatine and choline.
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113095
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Lipid and Lactate
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For single-proton MR spectroscopy, the resonance peak corresponding to lipid and lactate.
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113096
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Creatine+Choline/ Citrate Ratio
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For single-proton MR spectroscopy, the ratio between the Choline and Creatine resonance peak and the Citrate resonance peak.
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113097
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Multi-energy proportional weighting
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Image pixels created through proportional weighting of multiple acquisitions at distinct X-Ray energies.
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110800
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Spin Tagging Perfusion MR Signal Intensity
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Signal intensity of a Spin tagging Perfusion MR image. Spin tagging is a technique for the measurement of blood perfusion, based on magnetically labeled arterial blood water as an endogenous tracer.
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110801
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Contrast Agent Angio MR Signal Intensity
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Signal intensity of a Contrast Agent Angio MR image.
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110802
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Time Of Flight Angio MR Signal Intensity
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Signal intensity of a Time-of-flight (TOF) MR image. Time-of-flight (TOF) is based on the phenomenon of flow-related enhancement of spins entering into an imaging slice. As a result of being unsaturated, these spins give more signal that surrounding stationary spins.
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110803
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Proton Density Weighted MR Signal Intensity
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Signal intensity of a Proton Density Weighted MR image. All MR images have intensity proportional to proton density. Images with very little T1 or T2 weighting are called 'PD-weighted'.
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110804
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T1 Weighted MR Signal Intensity
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Signal intensity of T1 Weighted MR image. A T1 Weighted MR image is created typically by using short TE and TR times.
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110805
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T2 Weighted MR Signal Intensity
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Signal intensity of a T2 Weighted MR image. T2 Weighted image contrast state is approached by imaging with a TR long compared to tissue T1 (to reduce T1 contribution to image contrast) and a TE between the longest and shortest tissue T2s of interest.
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110806
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T2* Weighted MR Signal Intensity
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Signal intensity of a T2* Weighted MR image. The T2* phenomenon results from molecular interactions (spin spin relaxation) and local magnetic field non-uniformities, which cause the protons to precess at slightly different frequencies.
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110807
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Field Map MR Signal Intensity
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Signal intensity of a Field Map MR image. A Field Map MR image provides a direct measure of the
B0 inhomogeneity at each point in the image.
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110808
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Fractional Anisotropy
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Coefficient reflecting the fractional anisotropy of the tissues, derived from a diffusion weighted MR image. Fractional anisotropy is proportional to the square root of the variance of the Eigen values divided by the square root of the sum of the squares of the Eigen values.
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110809
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Relative Anisotropy
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Coefficient reflecting the relative anisotropy of the tissues, derived from a diffusion weighted MR image.
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110810
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Volumetric Diffusion Dxx Component
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Dxx Component of the diffusion tensor, quantifying the molecular mobility along the X axis.
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110811
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Volumetric Diffusion Dxy Component
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Dxy Component of the diffusion tensor, quantifying the correlation of molecular displacements in the X and Y directions.
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110812
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Volumetric Diffusion Dxz Component
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Dxz Component of the diffusion tensor, quantifying the correlation of molecular displacements in the X and Z directions.
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110813
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Volumetric Diffusion Dyy Component
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Dyy Component of the diffusion tensor, quantifying the molecular mobility along the Y axis.
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110814
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Volumetric Diffusion Dyz Component
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Dyz Component of the diffusion tensor, quantifying the correlation of molecular displacements in the Y and Z directions.
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110815
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Volumetric Diffusion Dzz Component
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Dzz Component of the diffusion tensor, quantifying the molecular mobility along the Z axis.
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110816
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T1 Weighted Dynamic Contrast Enhanced MR Signal Intensity
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Signal intensity of a T1 Weighted Dynamic Contrast Enhanced MR image. A T1 Weighted Dynamic Contrast Enhanced MR image reflects the dynamics of diffusion of the exogenous contrast media from the blood pool into the extra vascular extracellular space (EES) of the brain at a rate determined by the blood flow to the tissue, the permeability of the Brain Blood Barrier (BBB), and the surface area of the perfusing vessels.
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110817
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T2 Weighted Dynamic Contrast Enhanced MR Signal Intensity
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Signal intensity of a T2 Weighted Dynamic Contrast Enhanced MR image. A T2 Weighted Dynamic Contrast Enhanced MR image reflects the T2 of tissue decrease as the Gd contrast agent bolus passes through the brain.
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110818
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T2* Weighted Dynamic Contrast Enhanced MR Signal Intensity
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Signal intensity of a T2* Weighted Dynamic Contrast Enhanced MR image. A T2* Weighted Dynamic Contrast Enhanced MR image reflects the T2* of tissue decrease as the Gd contrast agent bolus passes through the brain.
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110819
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Blood Oxygenation Level
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Signal intensity of a Blood Oxygenation Level image. BOLD imaging is sensitive to blood oxygenation (but also to cerebral blood flow and volume). This modality is essentially used for detecting brain activation (functional MR).
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110820
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Nuclear Medicine Projection Activity
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Accumulated decay event counts in a nuclear medicine projection image.
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110821
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Nuclear Medicine Tomographic Activity
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Accumulated decay event counts in a Nuclear Medicine Tomographic image (including PET).
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110822
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Spatial Displacement X Component
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Spatial Displacement along axis X of a non linear deformable spatial registration image. The X axis is defined in reference to the patient's orientation, and is increasing to the left hand side of the patient.
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110823
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Spatial Displacement Y Component
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Spatial Displacement along axis Y of a non linear deformable spatial registration image. The Y axis is defined in reference to the patient's orientation, and is increasing to the posterior side of the patient.
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110824
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Spatial Displacement Z Component
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Spatial Displacement along axis Z of a Non linear deformable spatial registration image. The Z axis is defined in reference to the patient's orientation, and is increasing toward the head of the patient.
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110825
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Hemodynamic Resistance
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Measured resistance to the flow of blood. E.g., through the vasculature or through a heart value.
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110826
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Indexed Hemodynamic Resistance
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Measured resistance to the flow of blood. E.g., through the vasculature or through a heart value, normalized to a particular indexed scale.
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110827
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Tissue Velocity
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Velocity of tissue based on Doppler measurements.
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110828
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Flow Velocity
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Velocity of blood flow based on Doppler measurements.
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110829
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Flow Variance
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Statistical variance of blood velocity relative to mean.
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110830
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Elasticity
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Scalar value related to the elastic properties of the tissue.
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110831
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Perfusion
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Scalar value related to the volume of blood perfusing into tissue.
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110832
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Speed of sound
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Speed of sound in tissue.
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110833
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Ultrasound Attenuation
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Reduction in strength of ultrasound signal as the wave.
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110834
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RGB R Component
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Red component of a true color image (RGB).
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110835
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RGB G Component
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Green component of a true color image (RGB).
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110836
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RGB B Component
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Blue component of a true color image (RGB).
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110837
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YBR FULL Y Component
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Y (Luminance) component of a YBR FULL image, as defined in JPEG 2000.
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110838
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YBR FULL CB Component
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CB (Blue chrominance) component of a YBR FULL image, as defined in JPEG 2000.
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110839
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YBR FULL CR Component
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CR (Red chrominance) component of a YBR FULL image, as defined in JPEG 2000.
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110840
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YBR PARTIAL Y Component
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Y (Luminance) component of a YBR PARTIAL image, as defined in JPEG 2000.
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110841
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YBR PARTIAL CB Component
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CB (Blue chrominance) component of a YBR PARTIAL image, as defined in JPEG 2000.
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110842
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YBR PARTIAL CR Component
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CR (Red chrominance) component of a YBR PARTIAL image, as defined in JPEG 2000.
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110843
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YBR ICT Y Component
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Y (Luminance) component of a YBR ICT image (Irreversible Color Transform), as defined in JPEG 2000.
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110844
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YBR ICT CB Component
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CB (Blue chrominance) component of a YBR ICT image (Irreversible Color Transform), as defined in JPEG 2000.
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110845
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YBR ICT CR Component
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CR (Red chrominance) component of a YBR ICT image (Irreversible Color Transform), as defined in JPEG 2000.
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110846
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YBR RCT Y Component
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Y (Luminance) component of a YBR RCT image (Reversible Color Transform), as defined in JPEG 2000.
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110847
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YBR RCT CB Component
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CB (Blue chrominance) component of a YBR RCT image (Reversible Color Transform), as defined in JPEG 2000.
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110848
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YBR RCT CR Component
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CR (Red chrominance) component of a YBR RCT image (Reversible Color Transform), as defined in JPEG 2000.
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110849
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Echogenicity
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The ability of a material to create an ultrasound return echo.
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110850
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X-Ray Attenuation
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Decrease in the number of photons in an X-Ray beam due to interactions with the atoms of a material substance. Attenuation is due primarily to two processes, absorption and scattering.
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110851
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X-Ray Attenuation Coefficient
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Coefficient that describes the fraction of a beam of X-Rays or gamma rays that is absorbed or scattered per unit thickness of the absorber. This value basically accounts for the number of atoms in a cubic cm volume of material and the probability of a photon being scattered or absorbed from the nucleus or an electron of one of these atoms.
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110852
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MR signal intensity
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Signal intensity of an MR image, not otherwise specified.
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110853
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Binary Segmentation
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Binary value denoting that the segmented property is present.
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110854
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Fractional Probabilistic Segmentation
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Probability, defined as a percentage, that the segmented property occupies the spatial area defined by the voxel.
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110855
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Fractional Occupancy Segmentation
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Percentage of the voxel area occupied by the segmented property.
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dd1390_01
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R2-Coefficient
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Coefficient of determination,
R2. An indication of goodness of fit.
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