Accurate measurements in volume data

J. Oliván Bescós, Marco Bosma, Jaap Smit

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

1 Citation (Scopus)

Abstract

An algorithm for very accurate visualization of an iso- surface in a 3D medical dataset has been developed in the past few years. This technique is extended in this paper to several kinds of measurements in which exact geometric information of a selected iso-surface is used to derive volume, length, curvature, connectivity and similar geometric information from an object of interest. The actual measurement tool described in this paper is fully interactive. The highly accurate iso-surface volume- rendering algorithm is used to describe the actual measurement that should be performed. For instance, objects for which volumes should be calculated, or paths from which the length should be calculated can be selected at sub-voxel resolution. Ratios of these quantities can be used to automatically detect anomalies in the human body with a high degree of confidence. The actual measurement tool uses a polygon-based algorithm that can distinguish object connectivity at sub-voxel resolution, in exactly the same manner as the iso-surface algorithm. Segmentation based on iso-surfaces geometrical topology can be done at this point. The combination of the iso-surface volume-rendering algorithm and the polygon-based algorithm makes it possible to achieve both visual interaction with the dataset and highly accurate measurements. We believe that the proposed method contributes to the integration of visual and geometric information and is helpful in clinical diagnosis.
Original languageUndefined
Title of host publicationMedical Imaging 2001: Visualization, Display, and Image-Guided Procedures
EditorsS.K. Mun
Place of PublicationUSA
PublisherSPIE
Pages634-641
Number of pages8
ISBN (Print)9780819440051
DOIs
Publication statusPublished - 18 Feb 2001

Publication series

NameProceedings of SPIE
PublisherSPIE
Number24
Volume4319

Keywords

  • IR-62440
  • METIS-201283
  • EWI-13296

Cite this

Oliván Bescós, J., Bosma, M., & Smit, J. (2001). Accurate measurements in volume data. In S. K. Mun (Ed.), Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures (pp. 634-641). (Proceedings of SPIE; Vol. 4319, No. 24). USA: SPIE. https://doi.org/10.1117/12.428109
Oliván Bescós, J. ; Bosma, Marco ; Smit, Jaap. / Accurate measurements in volume data. Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures. editor / S.K. Mun. USA : SPIE, 2001. pp. 634-641 (Proceedings of SPIE; 24).
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Oliván Bescós, J, Bosma, M & Smit, J 2001, Accurate measurements in volume data. in SK Mun (ed.), Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures. Proceedings of SPIE, no. 24, vol. 4319, SPIE, USA, pp. 634-641. https://doi.org/10.1117/12.428109

Accurate measurements in volume data. / Oliván Bescós, J.; Bosma, Marco; Smit, Jaap.

Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures. ed. / S.K. Mun. USA : SPIE, 2001. p. 634-641 (Proceedings of SPIE; Vol. 4319, No. 24).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

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N2 - An algorithm for very accurate visualization of an iso- surface in a 3D medical dataset has been developed in the past few years. This technique is extended in this paper to several kinds of measurements in which exact geometric information of a selected iso-surface is used to derive volume, length, curvature, connectivity and similar geometric information from an object of interest. The actual measurement tool described in this paper is fully interactive. The highly accurate iso-surface volume- rendering algorithm is used to describe the actual measurement that should be performed. For instance, objects for which volumes should be calculated, or paths from which the length should be calculated can be selected at sub-voxel resolution. Ratios of these quantities can be used to automatically detect anomalies in the human body with a high degree of confidence. The actual measurement tool uses a polygon-based algorithm that can distinguish object connectivity at sub-voxel resolution, in exactly the same manner as the iso-surface algorithm. Segmentation based on iso-surfaces geometrical topology can be done at this point. The combination of the iso-surface volume-rendering algorithm and the polygon-based algorithm makes it possible to achieve both visual interaction with the dataset and highly accurate measurements. We believe that the proposed method contributes to the integration of visual and geometric information and is helpful in clinical diagnosis.

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Oliván Bescós J, Bosma M, Smit J. Accurate measurements in volume data. In Mun SK, editor, Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures. USA: SPIE. 2001. p. 634-641. (Proceedings of SPIE; 24). https://doi.org/10.1117/12.428109