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Volume 25 Issue 12
Dec.  2003
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Jiang Fan, Zhang Yu-jin. A Caption Detection Algorithm Based on Morphological Operation[J]. Journal of Electronics & Information Technology, 2003, 25(12): 1647-1652.
Citation: Jiang Fan, Zhang Yu-jin. A Caption Detection Algorithm Based on Morphological Operation[J]. Journal of Electronics & Information Technology, 2003, 25(12): 1647-1652.

A Caption Detection Algorithm Based on Morphological Operation

  • Received Date: 2002-07-11
  • Rev Recd Date: 2003-03-12
  • Publish Date: 2003-12-19
  • An algorithm of caption detection in news video is proposed in this paper. It makes use of space and time characters of the captions appearing in the video. On the basis of shot boundary detection, this method applies morphological operation and different filter strategies according to different cases. It achieves good results by experiments using MPEG-7 video testing data, especially caption detection in the case of gradual transition and heavy noises on the background.
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  • 熊华,老松杨,吴玲琦,李恒峰,吴玲达,李国辉.NewsVideoCAR:一个基于内容的视频新闻节目浏览检索系统.计算机工程,2000,26(11):73-75.[2]任金昌,赵荣椿,冯大淦.一个基于内容的数字新闻检索系统的设计与实现.计算机应用,2001,21(10):49-50.[3]Smith M A, Kanade T. Video skimming and characterization through the combination of image and language understanding techniques. In: Proc. of the IEEE Conference on Computer Vision and Pattern Recognition, Puerto Rico, 1997: 775-781.[4]Li H, Doermann D, Kia O. Automatic text extraction and tracking in digital video[J].IEEE Trans.on Image Processing.2000, 9(1):147-156[5]Sato T, Kanade T, Huges E K, et al.. Video OCR: Indexing digital news libraries by recognition of superimposed caption[J].ACM multimedia system.1999, 7(5):385-395[6]Yeo B L, Liu B. Rapid scene analysis on compressed videos[J].IEEE Trans on Circuits and Systems for Video Technology.1995, 5(6):533-544[7]Boreczky J S, Rowe L A. Comparison of video shot boundary detection techniques. In: Proc.of the SPIE Conference Storage and Retrieval for Video Databases IV, San Diego/La Jolla, CA,USA: SPIE, 1996, 2670: 170-179.
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