本论文从理论研究和系统设计两个方面对语义过渡特征进行深入的研究。

This dissertation researches the semantic blend feature from two aspects, theory and system design.

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该图像描述模型通过在不同层次上对图像内容进行分析和描述，实现了从低级特征到高级语义的过渡。

In this image description model, image contents could be analyzed and represented through different levels and the transition from low-level features to high-level semantics is thus achieved.

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