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Multirate scan conversion of ultrasound images using warped distance based adaptive bilinear interpolation

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3 Author(s)
Bera, D. ; Indian Inst. of Technol., Kharagpur Electron. & Electr. Commun. Eng., Kharagpur, India ; Agarwal, L. ; Banerjee, S.

Ultrasound imaging systems use a scan conversion process to display data acquired with polar coordinate in Cartesian coordinate system. To avoid artifacts interpolation is needed for unsampled pixels. The resultant image quality is dependent on the interpolation algorithm. Majority of the interpolation mechanisms enhance both smooth and detailed regions which degrades the image quality. In this paper, a warped distance based adaptive bilinear interpolation technique with selective sampling is proposed. This algorithm enhances the detail regions and preserves the smooth regions. Simulation results prove that proposed interpolation algorithm yields better image quality with less computational complexity.

Published in:

Computer-Based Medical Systems, 2009. CBMS 2009. 22nd IEEE International Symposium on

Date of Conference:

2-5 Aug. 2009

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