The text-based image retrieval technique utilizes the manual image annotation as image character for retrieval and is a precise matching.
其中基于文本的图像检索方法利用人工对图像进行标注作为检索特征，进行的是精确匹配；
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。
The traditional image retrieval technologies such as text-based method couldn't satisfy people's demand.
传统的检索技术，如基于文本的图像检索，已不能完全满足人们的要求。
The traditional image retrieval technologies such as text-based method couldn't satisfy people's demand.
传统的检索技术，如基于文本的图像检索，已不能完全满足人们的要求。
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