Image registration using robust correlation

Author

Kim, Jeongtae ; Fessler, Jeffrey A.

Author_Institution

Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA

fYear

2002

fDate

2002

Firstpage

353

Lastpage

356

Abstract

We have investigated an intensity-based image registration technique using a robust correlation coefficient as a similarity measure. The proposed method has an advantage over the ordinary correlation coefficient since it reduces the effect of "outlier" image intensity values. For the application of image registration to radiotherapy or image-guided surgery, there may be outlier samples due to the presence of the objects such as surgical instruments. We have verified the usefulness of the proposed method by simulation and phantom experiment.

Keywords

computerised tomography; diagnostic radiography; image registration; medical image processing; radiation therapy; surgery; CT images; image-guided surgery; ordinary correlation coefficient; outlier image intensity values; phantom experiment; radiographs; radiotherapy; robust correlation coefficient; similarity measure; simulation; surgical instruments; Covariance matrix; Equations; Gaussian distribution; Image registration; Imaging phantoms; Maximum likelihood estimation; Robustness; Shape; Surgery; Surgical instruments;

fLanguage

English

Publisher

ieee

Conference_Titel

Biomedical Imaging, 2002. Proceedings. 2002 IEEE International Symposium on

Print_ISBN

0-7803-7584-X

Type

conf

DOI

10.1109/ISBI.2002.1029266

Filename

1029266