Quick Answer
Calculate CT-Based As-Built Porosity Volume Fraction via Otsu Thresholding
Calculator
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Find Engineering Solutions →Result Interpretation
CT-Based As-Built Porosity Volume Fraction via Otsu Thresholding calculator computes Volumetric porosity fraction in 1 using the defined engineering formula and the input values provided. No universal acceptance threshold is defined by this calculator.
Worked Example
Verified calculation
Given:
- Sum of voxel counts below Otsu threshold = 12478
- Total number of voxels in CT volume = 1048576
- Single voxel volume = 1.0E-12
Expected Result:
- Volumetric porosity fraction = 0.011899948120117
Engineering Interpretation:
Under the given input conditions, the calculated result is: Volumetric porosity fraction = 0.011899948120117.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.
Formula / Method
volumetric porosity fraction = (sum of voxel counts below otsu threshold * single voxel volume) / (total number of voxels in ct volume * single voxel volume)Formula family: formula_additive_ct_based_as_built_porosity_volume_fraction_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| sum_pixel_counts_below_otsu_threshold | Sum of voxel counts below Otsu threshold | INPUT | Sum of voxel counts below Otsu threshold |
| total_voxel_count | Total number of voxels in CT volume | INPUT | Total number of voxels in CT volume |
| voxel_volume | Single voxel volume | INPUT | Single voxel volume |
| volumetric_porosity_fraction | Volumetric porosity fraction | OUTPUT | Volumetric porosity fraction |
Calculation Steps
- Enter the sum of voxel counts below otsu threshold in 1.
- Enter the total number of voxels in ct volume in 1.
- Enter the single voxel volume in m^3.
- Step 1: Compute volumetric porosity fraction.
- Read the volumetric porosity fraction (1) from the results.
Engineering Summary
Calculate CT-Based As-Built Porosity Volume Fraction via Otsu Thresholding
Frequently Asked Questions
What does this calculator calculate?
The CT-Based As-Built Porosity Volume Fraction via Otsu Thresholding calculator estimates Volumetric porosity fraction based on the input parameters you provide
Why is single voxel volume important in this calculation?
single voxel volume is used directly in the calculation of volumetric porosity fraction. Its effect on the result depends on the complete formula and the values of the other inputs.. When you enter single voxel volume in m^3, the calculator uses it in the engineering formula to compute the output
How should I interpret the result volumetric porosity fraction?
The calculator outputs volumetric porosity fraction. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Single voxel volume (m^3). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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