Data range is changed when using "dicomread" to read singned short PET dicom image

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dapson
dapson on 18 Jan 2013
Answered: Caroline Jordan on 2 Jan 2018
I have many PET images,of which the orignal data range of the dicom image is: 0-32000, But When I using "dicomread" to read singned short PET dicom image,the range change to 0-4706. What's the matter with this? Then, how can I get the true original pixel value? Thanks!

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Caroline Jordan
Caroline Jordan on 2 Jan 2018
You may need to scale the PET image by the dicom tag RescaleSlope.

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