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

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dapson 2013-1-18

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https://ww2.mathworks.cn/matlabcentral/answers/59152-data-range-is-changed-when-using-dicomread-to-read-singned-short-pet-dicom-image

回答： Caroline Jordan 2018-1-2

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 2018-1-2

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You may need to scale the PET image by the dicom tag RescaleSlope.

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