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Video logos can be considered as a form of visible watermark which is a trademark or symbol to declare the video copyright. However, in some cases, it will cause visual discomfort due to the presence of multiple logos overlapped directly or blended with another logo in videos. In this paper, we use an efficient gradient- based average approach to detect the logo firstly; then, the selected logo mask...
Detecting and segmenting moving object is an important subject in computer visual analysis. Firstly, this paper discusses algorithms of detecting moving target from static background in video sequences. Secondly, as the existing mixture Gaussian models can't solve the problems such as ghost and real-time application, a new method based on moving edge detection of difference between adjacent frames...
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