Determination of the monoplane 3D system geometry in X-ray imaging guidance

Hangyi Jiang, Hong Liu, Wei R. Chen

Research output: Contribution to journalArticle

Abstract

A simple method for determination of the geometric parameters of monoplane stereo x-ray system is proposed in this paper. According to the principle of perspective projection, a monoplane stereo imaging model was established. The geometric parameters required for 3D point recovering described. Applying the perspective projection rule and similar triangles concept, the system geometry can be calculated with three calibration line segments in 3D space. Calibration accuracy analysis has been performed. A cube phantom with radio-opaque line segments of known length and orientation is employed during calibration procedure. Experiments were carried out using a CCD based monoplane stereo x-ray system prototype. The results are consistent with the expected value predicated by theoretic analysis. Our promising application of this technique for the system calibration lies in digital mammography imaging guidance, but applications in other type of radiographic imaging are possible also.

Original languageEnglish (US)
Pages (from-to)19-28
Number of pages10
JournalJournal of X-Ray Science and Technology
Volume9
Issue number1
StatePublished - 2001

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monoplanes
Calibration
X-Rays
Imaging techniques
X rays
Geometry
geometry
projection
High frequency telecommunication lines
x rays
triangles
Mammography
charge coupled devices
prototypes
Charge coupled devices
Experiments

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Determination of the monoplane 3D system geometry in X-ray imaging guidance. / Jiang, Hangyi; Liu, Hong; Chen, Wei R.

In: Journal of X-Ray Science and Technology, Vol. 9, No. 1, 2001, p. 19-28.

Research output: Contribution to journalArticle

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