vtk-dicom:https://github.com/dgobbi/vtk-dicom/
dcmtk:https://www.dcmtk.org/dcmtk.php.en
gdcm:https://sourceforge.net/projects/gdcm/
vtk例子：https://lorensen.github.io/VTKExamples/site/Cxx/
dicom示例文件：
https://medimodel.com/sample-dicom-files/class-3-malocclusion/
https://www.osirix-viewer.com/resources/dicom-image-library/