A model-based iterative method for caption extraction in compressed MPEG video

被引：0
|
作者：
Marquez, Daniel [1 ]
Bescos, Jesus [1 ]
机构：
[1] Univ Autonoma Madrid, Escuela Politecn Super, Grp Tratamiento Imagenes, E-28049 Madrid, Spain
来源：
SEMANTIC MULTIMEDIA, PROCEEDINGS | 2007年 / 4816卷
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
We here describe a method for caption extraction that totally works in the MPEG compressed domain. As opposed to other compressed domain methods; it does not need to refine their results in the pixel domain. It consists of two phases: first, a selection of candidate frames with captions, based on a rigorous statistical design of an AC coefficients mask; second, an extraction of caption boxes from the pre-selected set of candidate frames. Caption extraction relies on a model-based approach to obtaining the caption mask, robust enough to avoid the use of any subsequent refinement.
引用
收藏
页码：91 / 94
页数：4
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