Text extraction is a key technique in content-based video retrieval as textual information plays an important role in describing the content of image.
文字信息在描述图象内容时起着重要的作用，因此文字提取及识别是基于内容视频检索的关键技术。
This paper introduces the principle and characteristics of multimedia information retrieval and elucidates content-based multimedia retrieval technology of image, video and audio.
本文介绍了多媒体信息检索的原理与特点，着重阐述了基于内容的图像检索、视频检索和音频检索技术。
The color spatial distribution density can provide the color spatial distribution information for CBIR(Content Based Image Retrieval).
在基于内容的图像检索中，颜色的空间分布密度能提供颜色在空间的分布信息。
Within the image retrieval based on the content, the color, being an important vision information of image, have been used broadly.
在基于内容的图象检索中，颜色作为图象的一种重要视觉信息，已得到广泛应用。
Within the image retrieval based on the content, the color, being an important vision information of image, have been used broadly.
在基于内容的图象检索中，颜色作为图象的一种重要视觉信息，已得到广泛应用。
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