Grassroots dicom is a c++ library for dicom medical files. it is automatically wrapped to python/c#/java (using swig). it supports raw,jpeg (lossy/lossless),j2k,jpeg-ls, rle and deflated.

libvtkgdcm-tools provides a number of command line debugging and utility tool. install this package for the gdcmviewer, gdcm2pnm and gdcm2vtk programs.