Non-isotropic noise correlation in PET data reconstructed by FBP but not by OSEM demonstrated using auto-correlation function. - Pasha Razifar; Mark Lubberink; Harald Schneider; Bengt Långström; Ewert Bengtsson; Mats Bergström (BMC Medical Imaging, 2005)

Noise correlation in PET, CT, SPECT and PET/CT data evaluated using autocorrelation function: a phantom study on data, reconstructed using FBP and OSEM. - Pasha Razifar; Mattias Sandström; Harald Schneider; Bengt Långström; Enn Maripuu; Ewert Bengtsson; Mats Bergström (BMC Medical Imaging, 2005)

Novel Approaches for Application of Principal Component Analysis on Dynamic PET Images for Improvement of Image Quality and Clinical Diagnosis. - Pasha Razifar (2005)

A new application of pre-normalized principal component analysis for improvement of image quality and clinical diagnosis in human brain PET studies - Clinical brain studies using [11C]-GR205171, [11C]-l-deuterium-deprenyl, [11C]-5-Hydroxy-l-Tryptophan, [11C]-l-DOPA and Pittsburgh Compound-B. - Pasha Razifar; Jan Axelsson; Harald Schneider; Bengt Långström; Ewert Bengtsson; Mats Bergström (NeuroImage, 2006)

Masked volume wise principal component analysis of small adrenocortical tumours in dynamic [11C]-metomidate positron emission tomography. - Pasha Razifar; Joakim Hennings; Azita Monazzam; Per Hellman; Bengt Långström; Anders Sundin (BMC Medical Imaging, 2009)