Interpolation techniques in multimodality image registration and their application

Jeffrey Tsao, Jim Xiuquan Ji, Zhi Pei Liang

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

For multimodality image registration, mutual information has become the similarity measure of choice, due to its flexibility, theoretical elegance and general robustness. An essential element in any image registration algorithm is interpolation, which is needed to evaluate voxel intensities at non-grid positions. Interpolation has been a topic of considerable study and the performance of many interpolators has been characterized. Nevertheless, interpolation has some unexpected influence on registration accuracy, causing artifactual fluctuations in the estimated value of mutual information. These "interpolation artifacts" are not reduced by using interpolators with higher accuracy. This surprising finding warranted further investigation into the role of interpolation methods in multimodality image registration. This chapter reviews several commonly used interpolation methods, the application of such methods and the associated problems. A theoretical analysis of the underlying cause of these interpolation artifacts is described. Finally, several strategies are outlined to reduce these artifacts and to improve registration robustness. Such strategies are also applicable to related similarity measures, including normalized mutual information, joint entropy, and Hill’s third moment.

Original languageEnglish (US)
Title of host publicationMedical Imaging Systems Technology
Subtitle of host publicationAnalysis and Computational Methods
PublisherWorld Scientific Publishing Co.
Pages255-295
Number of pages41
ISBN (Electronic)9789812705785
ISBN (Print)9812563644, 9789812569936
DOIs
StatePublished - Jan 1 2005

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Artifacts
Entropy
Joints

Keywords

  • Artifact pattern
  • Artifact reduction
  • Image registration
  • Interpolation artifacts
  • Multi-modality
  • Mutual information

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Tsao, J., Ji, J. X., & Liang, Z. P. (2005). Interpolation techniques in multimodality image registration and their application. In Medical Imaging Systems Technology: Analysis and Computational Methods (pp. 255-295). World Scientific Publishing Co.. https://doi.org/10.1142/9789812705785_0008

Interpolation techniques in multimodality image registration and their application. / Tsao, Jeffrey; Ji, Jim Xiuquan; Liang, Zhi Pei.

Medical Imaging Systems Technology: Analysis and Computational Methods. World Scientific Publishing Co., 2005. p. 255-295.

Research output: Chapter in Book/Report/Conference proceedingChapter

Tsao, J, Ji, JX & Liang, ZP 2005, Interpolation techniques in multimodality image registration and their application. in Medical Imaging Systems Technology: Analysis and Computational Methods. World Scientific Publishing Co., pp. 255-295. https://doi.org/10.1142/9789812705785_0008
Tsao J, Ji JX, Liang ZP. Interpolation techniques in multimodality image registration and their application. In Medical Imaging Systems Technology: Analysis and Computational Methods. World Scientific Publishing Co. 2005. p. 255-295 https://doi.org/10.1142/9789812705785_0008
Tsao, Jeffrey ; Ji, Jim Xiuquan ; Liang, Zhi Pei. / Interpolation techniques in multimodality image registration and their application. Medical Imaging Systems Technology: Analysis and Computational Methods. World Scientific Publishing Co., 2005. pp. 255-295
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