Text in images and videos carries plenty of semantic information useful for understanding thecontent of images and videos. Thus, it makes text recognition very significant for understanding andretrieval of images and video.

• 图像和视频中的文字包含有丰富的语义信息,是理解图像和视频内容的重要线索,提取和识别这种图像文字对于图像理解、视频内容分析、基于内容的图像和视频检索等领域具有重要意义。