研究超声图像的边界提取算法，并以此为基础建立超声图像诊断的计算机辅助解释系统，是必要的。

So it is necessary to study the approaches of boundary extraction and set up computer assistant interpretative systems of ultrasound images based on the organic boundary extraction.

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本文围绕着边界提取和图像解释这两个中心问题进行了研究，建立了超声图像计算机辅助解释实验原型系统。

In this paper, both boundary extraction and image interpretation aspects are mainly studied, and an experimental prototype system is set up for ultrasound image assistant interpretation.

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这种技术即是八十年代兴起的计算机辅助地震数据解释系统（CASI）。

This technique is known as the system of Computer-aided Seismic Interpretation (CASI) which took shape in the beginning of the 80's.

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