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中文摘要：
语义分析是图像理解中高层认知的重点和难点，存在图像文本之间的语义鸿沟和文本描述多义性两大关键问题．以图像本体的语义化为核心，在归纳图像语义特征及上下文表示的基础上，全面阐述生成法、判别法和句法描述法3种图像语义处理策略．总结语义词汇的客观基准和评价方法．最后指出图像语义理解的发展方向．
英文摘要：
Semantic analysis is the importance and difficulty of high-level interpretation in image understanding, in which there are two key issues of text-image semantic gap and text description polysemy. Concentrating on semantization of images ontology, three sophisticated methodologies are roundly reviewed as generative, discriminative and descriptive grammar on the basis of concluding images semantic features and context expression. The objective benchmark and evaluation for semantic vocabulary are induced as well. Finally, the summarized directions for further researches on semantics in image understanding are discussed intensively.
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