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Reconstruction of three-dimensional ultrasound images based on cyclic Savitzky–Golay filters

[+] Author Affiliations
Pollakrit Toonkum

Chulalongkorn University, Department of Electrical Engineering, Faculty of Engineering, Phayathai Road Pathumwan, Bangkok, 10330, Thailand

Nijasri C. Suwanwela

Chulalongkorn University, Division of Neurology, Faculty of Medicine, Bangkok, 10330, Thailand

Chedsada Chinrungrueng

Chulalongkorn University, Department of Electrical Engineering, Faculty of Engineering, Phayathai Road Pathumwan, Bangkok, 10330, Thailand

J. Electron. Imaging. 20(1), 013026 (March 25, 2011). doi:10.1117/1.3569121
History: Received June 27, 2010; Accepted February 25, 2011; Revised February 13, 2011; Published March 25, 2011; Online March 25, 2011
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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.

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Citation

Pollakrit Toonkum ; Nijasri C. Suwanwela and Chedsada Chinrungrueng
"Reconstruction of three-dimensional ultrasound images based on cyclic Savitzky–Golay filters", J. Electron. Imaging. 20(1), 013026 (March 25, 2011). ; http://dx.doi.org/10.1117/1.3569121


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