In order to extract caption in digital video,this paper presents a method which utilizes many features of caption such as temporal and spatial,edges,color.The caption's regions are located by detecting edges so text's colors are known.Universal Gaussian Mixture Mode(lGMM)is trained for text's color.The color layer of texts is extracted based on the trained GMM.The method to judge whether content of caption changes is to add mask bitmap to frame.Experiments show that this method performs well even if the bac...
| 
推荐 
点击下列相关研究机构和相关文献作者，可以直接查到这些机构和作者被《中国知识资源总库》收录的其它文献，使您全面了解该机构和该作者的研究动态和历史。
