A GPU based high-definition ultrasound digital scan conversion algorithm

Mingchang Zhao; Shanjue Mo

doi:10.1117/12.843633

23 February 2010 A GPU based high-definition ultrasound digital scan conversion algorithm

Mingchang Zhao, Shanjue Mo

Proceedings Volume 7625, Medical Imaging 2010: Visualization, Image-Guided Procedures, and Modeling; 76252M (2010) https://doi.org/10.1117/12.843633
Event: SPIE Medical Imaging, 2010, San Diego, California, United States

Abstract

Digital scan conversion algorithm is the most computational intensive part of B-mode ultrasound imaging. Traditionally, in order to meet the requirements of real-time imaging, digital scan conversion algorithm often traded off image quality for speed, such as the use of simple image interpolation algorithm, the use of look-up table to carry out polar coordinates transform and logarithmic compression. This paper presents a GPU-based high-definition real-time ultrasound digital scan conversion algorithm implementation. By rendering appropriate proxy geometry, we can implement a high precision digital scan conversion pipeline, including polar coordinates transform, bi-cubic image interpolation, high dynamic range tone reduction, line average and frame persistence FIR filtering, 2D post filtering, fully in the fragment shader of GPU at real-time speed. The proposed method shows the possibility of updating exist FPGA or ASIC based digital scan conversion implementation to low cost GPU based high-definition digital scan conversion implementation.

Citation Download Citation

Mingchang Zhao and Shanjue Mo "A GPU based high-definition ultrasound digital scan conversion algorithm", Proc. SPIE 7625, Medical Imaging 2010: Visualization, Image-Guided Procedures, and Modeling, 76252M (23 February 2010); https://doi.org/10.1117/12.843633

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