Investigation of a phase-only correlation technique for anatomical alignment of portal images in radiation therapy Journal Article
| Authors: | Wang, J. Z.; Reinstein, L. E.; Hanley, J.; Meek, A. G. |
| Article Title: | Investigation of a phase-only correlation technique for anatomical alignment of portal images in radiation therapy |
| Abstract: | A new image registration algorithm based on phase-only correlation is applied to portal images in radiation therapy to detect translational shift. The phase-only correlation shows a sharp peak in the correlation distribution as compared to the broad peak computed from conventional correlation using fast Fourier transform. In this paper, the algorithm of phase-only correlation is described and its applicability and robustness are tested when applied to portal images used in clinical radiation oncology. The results achieved give evidence that the phase-only correlation will deliver an alternative approach for image registration and image comparison, that may be applicable in routine clinical practice. |
| Keywords: | image analysis; radiotherapy; diagnostic approach route; algorithms; models, theoretical; pathological anatomy; algorithm; computer simulation; radiotherapy planning, computer-assisted; phantoms, imaging; patient positioning; radiodiagnosis; radiographic image interpretation, computer-assisted; biophysics; radiographic image enhancement; fourier analysis; humans; priority journal; article |
| Journal Title: | Physics in Medicine and Biology |
| Volume: | 41 |
| Issue: | 6 |
| ISSN: | 0031-9155 |
| Publisher: | IOP Publishing Ltd |
| Date Published: | 1996-06-01 |
| Start Page: | 1045 |
| End Page: | 1058 |
| Language: | English |
| DOI: | 10.1088/0031-9155/41/6/008 |
| PUBMED: | 8794484 |
| PROVIDER: | scopus |
| DOI/URL: | |
| Notes: | Article -- Export Date: 22 November 2017 -- Source: Scopus |
