A multirate scan conversion method

doi:10.1016/S0041-624X(99)00044-X

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A multirate scan conversion method

2000-03-01

PRE

Montserrat Parrilla Romero

Óscar Martínez-Graullera

D. Jiménez‐Rey

DOI：10.1016/S0041-624X(99)00044-X

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Abstract

En 中文

B-mode ultrasonic imaging requires that the acquired polar coordinate ultrasound data be converted to the Cartesian format used by digital monitors. Image quality depends on the interpolation algorithm used to this purpose. In this work a selective sampling technique, based on acquiring data at specific points of the scanned area together with a straightforward linear interpolation step, is proposed. Hardware complexity is avoided, because the interpolation task can be carried out by software in real time, concurrently with data acquisition. The performances of the proposed approach are analysed with regard to those provided by other algorithms and some implementation issues are addressed. (C) 2000 Elsevier Science B.V. All rights reserved.

Keywords:

digital ultrasound

echography

interpolation

real time

scan conversion

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