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Journal of Electronic Imaging

Reconstruction of three-dimensional ultrasound images based on cyclic Savitzky-Golay filters
Author(s): Pollakrit Toonkum; Nijasri C. Suwanwela; Chedsada Chinrungrueng
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Paper Abstract

We present a new algorithm for reconstructing a three-dimensional (3-D) ultrasound image from a series of two-dimensional B-scan ultrasound slices acquired in the mechanical linear scanning framework. Unlike most existing 3-D ultrasound reconstruction algorithms, which have been developed and evaluated in the freehand scanning framework, the new algorithm has been designed to capitalize the regularity pattern of the mechanical linear scanning, where all the B-scan slices are precisely parallel and evenly spaced. The new reconstruction algorithm, referred to as the cyclic Savitzky-Golay (CSG) reconstruction filter, is an improvement on the original Savitzky-Golay filter in two respects: First, it is extended to accept a 3-D array of data as the filter input instead of a one-dimensional data sequence. Second, it incorporates the cyclic indicator function in its least-squares objective function so that the CSG algorithm can simultaneously perform both smoothing and interpolating tasks. The performance of the CSG reconstruction filter compared to that of most existing reconstruction algorithms in generating a 3-D synthetic test image and a clinical 3-D carotid artery bifurcation in the mechanical linear scanning framework are also reported.

Paper Details

Date Published: 1 January 2011
PDF: 13 pages
J. Electron. Imag. 20(1) 013026 doi: 10.1117/1.3569121
Published in: Journal of Electronic Imaging Volume 20, Issue 1
Show Author Affiliations
Pollakrit Toonkum, Chulalongkorn Univ. (Thailand)
Nijasri C. Suwanwela, Chulalongkorn Univ. (Thailand)
Chedsada Chinrungrueng, Chulalongkorn Univ. (Thailand)

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