{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,28]],"date-time":"2026-02-28T04:31:10Z","timestamp":1772253070334,"version":"3.50.1"},"reference-count":79,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2022,3,21]],"date-time":"2022-03-21T00:00:00Z","timestamp":1647820800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Brain shift is an important obstacle to the application of image guidance during neurosurgical interventions. There has been a growing interest in intra-operative imaging to update the image-guided surgery systems. However, due to the innate limitations of the current imaging modalities, accurate brain shift compensation continues to be a challenging task. In this study, the application of intra-operative photoacoustic imaging and registration of the intra-operative photoacoustic with pre-operative MR images are proposed to compensate for brain deformation. Finding a satisfactory registration method is challenging due to the unpredictable nature of brain deformation. In this study, the co-sparse analysis model is proposed for photoacoustic-MR image registration, which can capture the interdependency of the two modalities. The proposed algorithm works based on the minimization of mapping transform via a pair of analysis operators that are learned by the alternating direction method of multipliers. The method was evaluated using an experimental phantom and ex vivo data obtained from a mouse brain. The results of the phantom data show about 63% improvement in target registration error in comparison with the commonly used normalized mutual information method. The results proved that intra-operative photoacoustic images could become a promising tool when the brain shift invalidates pre-operative MRI.<\/jats:p>","DOI":"10.3390\/s22062399","type":"journal-article","created":{"date-parts":[[2022,3,21]],"date-time":"2022-03-21T21:48:42Z","timestamp":1647899322000},"page":"2399","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Photoacoustic-MR Image Registration Based on a Co-Sparse Analysis Model to Compensate for Brain Shift"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7554-5545","authenticated-orcid":false,"given":"Parastoo","family":"Farnia","sequence":"first","affiliation":[{"name":"Medical Physics and Biomedical Engineering Department, Faculty of Medicine, Tehran University of Medical Sciences (TUMS), Tehran 1417653761, Iran"},{"name":"Research Centre of Biomedical Technology and Robotics (RCBTR), Imam Khomeini Hospital Complex, Tehran University of Medical Sciences (TUMS), Tehran 1419733141, Iran"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9775-4057","authenticated-orcid":false,"given":"Bahador","family":"Makkiabadi","sequence":"additional","affiliation":[{"name":"Medical Physics and Biomedical Engineering Department, Faculty of Medicine, Tehran University of Medical Sciences (TUMS), Tehran 1417653761, Iran"},{"name":"Research Centre of Biomedical Technology and Robotics (RCBTR), Imam Khomeini Hospital Complex, Tehran University of Medical Sciences (TUMS), Tehran 1419733141, Iran"}]},{"given":"Maysam","family":"Alimohamadi","sequence":"additional","affiliation":[{"name":"Brain and Spinal Cord Injury Research Center, Neuroscience Institute, Tehran University of Medical Sciences (TUMS), Tehran 1419733141, Iran"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8702-0722","authenticated-orcid":false,"given":"Ebrahim","family":"Najafzadeh","sequence":"additional","affiliation":[{"name":"Medical Physics and Biomedical Engineering Department, Faculty of Medicine, Tehran University of Medical Sciences (TUMS), Tehran 1417653761, Iran"},{"name":"Research Centre of Biomedical Technology and Robotics (RCBTR), Imam Khomeini Hospital Complex, Tehran University of Medical Sciences (TUMS), Tehran 1419733141, Iran"}]},{"given":"Maryam","family":"Basij","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Wayne State University, Detroit, MI 48201, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8137-2372","authenticated-orcid":false,"given":"Yan","family":"Yan","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Wayne State University, Detroit, MI 48201, USA"}]},{"given":"Mohammad","family":"Mehrmohammadi","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Wayne State University, Detroit, MI 48201, USA"},{"name":"Barbara Ann Karmanos Cancer Institute, Detroit, MI 48201, USA"}]},{"given":"Alireza","family":"Ahmadian","sequence":"additional","affiliation":[{"name":"Medical Physics and Biomedical Engineering Department, Faculty of Medicine, Tehran University of Medical Sciences (TUMS), Tehran 1417653761, Iran"},{"name":"Research Centre of Biomedical Technology and Robotics (RCBTR), Imam Khomeini Hospital Complex, Tehran University of Medical Sciences (TUMS), Tehran 1419733141, Iran"}]}],"member":"1968","published-online":{"date-parts":[[2022,3,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"491","DOI":"10.1586\/erd.12.42","article-title":"Neuronavigation in the surgical management of brain tumors: Current and future trends","volume":"9","author":"Orringer","year":"2012","journal-title":"Expert Rev. 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