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Software for analysis and
realistic visualization
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All
SkyScan scanners are equipped with a software package for complete 2D and 3D
quantitative analysis of reconstructed volumes from micro-CT scans, the
program "CT-analyser", and software for realistic 3D visualization of
scanned objects, the "CT-volume" program. These programs can run on the
supplied workstation or on any of your laboratory's desktop or notebook
computers. |
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- 2D / 3D IMAGE ANALYSIS
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- SkyScan "CT-analyser" analyses micro-CT datasets for morphometry and
densitometry. It is an intuitive and comprehensive environment for
processing and analysis of datasets, accurately generating the quantitative
data that is the final objective of micro-CT scanning and analysis.
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- The software features include:
Import of dataset in tiff,
bmp, jpg
Angular resampling of
datasets
Advanced
volume-of-interest (VOI) selection tool
Measures 3D distances and
angles
Creates Maximum Intensity
Projection (MIP) images
Calibrates and measures
density as HU, BMD or attenuation coefficient
Image processing
functions, such as smooth, despeckle morphologic operations, etc.
Switch between general
scientific and bone morphometry parameter names
Parameters measured in 2D
and 3D include:
Object (pore,
particle, etc.) or "bone" volume
Object or "bone"
surface
Structure or "trabecular"
thickness
Structure or "trabecular"
separation, number
Structure model index
(SMI)
Fragmentation index or
"Trabecular pattern factor"
Euler number o Degree
of anisotropy by MIL
MIL eigenvalues and
stereology
Fractal dimension (Kolmogorov)
Moments of inertia (x,
y, polar, product)
Eccentricity
Cortical periosteal
perimeter (outer perimeter of tube)
Cortical endosteal
perimeter (inner perimeter of tube)
Object or "bone"
porosity
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- REALISTIC 3D VISUALIZATION
The
reconstructed set of slices can be flexibly viewed in SkyScan's "Data
Viewer" program. Images are displayed as a slice-by-slice movie or as three
orthogonal sections, centered at any selected point inside the reconstructed
space. Data Viewer also has a viewing mode with three intersecting
orthogonal sections, which can be turned and each intersecting slice
independently moved by simple mouse control. Additional features include
variable smoothing, saving interpolated datasets in saggital or coronal
section, measuring and saving distances and intensity profiles. The format
converter utility "T-conv" converts between TIFF, BMP and JPEG files with
adjustment of colour palette, inversion, renaming, resizing and combining of
datasets. A utility is also provided for conversion to DICOM 3 format. |
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