PMID: 11931473Apr 5, 2002Paper

Automatic MR volume registration and its evaluation for the pelvis and prostate

Physics in Medicine and Biology
Baowei FeiDavid L Wilson

Abstract

A three-dimensional (3D) mutual information registration method was created and used to register MRI volumes of the pelvis and prostate. It had special features to improve robustness. First, it used a multi-resolution approach and performed registration from low to high resolution. Second, it used two similarity measures, correlation coefficient at lower resolutions and mutual information at full resolution, because of their particular advantages. Third, we created a method to avoid local minima by restarting the registration with randomly perturbed parameters. The criterion for restarting was a correlation coefficient below an empirically determined threshold. Experiments determined the accuracy of registration under conditions found in potential applications in prostate cancer diagnosis, staging, treatment and interventional MRI (iMRI) guided therapies. Images were acquired in the diagnostic (supine) and treatment position (supine with legs raised). Images were also acquired as a function of bladder filling and the time interval between imaging sessions. Overall studies on three patients and three healthy volunteers, when both volumes in a pair were obtained in the diagnostic position under comparable conditions, bony landmar...Continue Reading

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Citations

Mar 28, 2013·International Journal of Computer Assisted Radiology and Surgery·Helen XuGabor Fichtinger
Mar 13, 2003·Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society·Baowei FeiDavid L Wilson
Jun 18, 2003·Academic Radiology·Zhenghong LeeDavid L Wilson
Mar 29, 2011·Computer Methods in Biomechanics and Biomedical Engineering·Meisen PanQi Xiong
Dec 17, 2009·Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine·Yu-Hua Dean FangRaymond F Muzic
May 31, 2013·Medical Physics·Anne Sofie KorsagerLasse Riis Østergaard
Jul 16, 2014·La Radiologia medica·Sofia SpampinatoGiovanni Carlo Ettorre
Feb 7, 2007·Medical Image Analysis·Olivier Salvado, David L Wilson
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Aug 9, 2003·IEEE Transactions on Medical Imaging·Josien P W PluimMax A Viergever
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Dec 27, 2005·Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society·Stefania PallottaGiampaolo Biti
Jul 30, 2005·Magnetic Resonance Imaging·Masaki TakaoHideki Yoshikawa
Jul 26, 2005·Academic Radiology·Baowei FeiDavid L Wilson
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May 8, 2018·Current Opinion in Biomedical Engineering·Baowei Fei

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