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    • Dictionary learning for data recovery in positron emission tomography 

      Valiollahzadeh, SeyyedMajid; Clark, John W. Jr.; Mawlawi, Osama (2015)
      Compressed sensing (CS) aims to recover images from fewer measurements than that governed by the Nyquist sampling theorem. Most CS methods use analytical predefined sparsifying domains such as total variation, wavelets, ...