Face to CT Alignment
How to align facial scan data to CT data
Semi-automatic alignment between facial scan and CT
Instruction
Step 1
Click the [Align] button in the main menu to start the alignment mode.
Step 2
The face scan model is set on the Source menu and CT volume on the Target menu. After selecting the Landmark on the Initial Option, click the Run button to start the landmark-picking mode.
Quick Guide
The source data would be aligned to the target data.
Step 3
For accurate face scan alignment, alter the rendering options by selecting the SKIN mode from the extended menu of the CT volume.
Step 4
Select the landmark on each data point in the source view (top right) and target view (bottom right). In this case, it is recommended that the corresponding landmarks be selected at identical locations in both the datasets.
It is feasible to move or delete created landmarks after selection. When the landmark is added or modified, the preview (left) is updated in real time.
After the landmark selection is completed, click the Apply button, and start the fine alignment process.
Quick Guide
Because the skin tissue is easily altered, it is recommended to select landmarks in areas where there is minimum variation and to start fine alignment when initial alignment is good in the preview.
Step 5
After fine alignment, the results of the aligned CT volume and face scan data can be obtained.
The alignment of two data sets can be examined in more detail on the 2D slice view. (Dual view, Horizon view, Tile view)
Related article:
Notice
Because the shape may change depending on facial expressions during CT scan and 3D scan, it may not match perfectly.
Last updated : 2022.02.11 Back to top
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