9.1.0. Hounsfield Number (HU)
To calculate HU for an image, folllow the instructions below:
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Click on the Main Toolbox on the bottom left corner or select HU from the bottom shortcuts panel.
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Click on Processing and Measurements.
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Click on Hounsfield Number.
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Select the method of collecting HU.
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Draw the region or click on a point for pixel.
This option will only be available if a computer tomography study (CT) is open.