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With the explosive growth of video data, content-based video analysis and management technologies such as indexing, browsing and retrieval have drawn much attention. Video shot boundary detection (SBD) is usually the first and important step for those technologies. Great efforts have been made to improve the accuracy of SBD algorithms. However, most works are based on signal rather than interpretable...
In order to improve the correct rate of transformer fault diagnosis based on three-ratio method of traditional dissolved gas analysis (DGA), a novel intelligent transformer fault diagnosis method based on both DGA and probabilistic neural network (PNN) was proposed. In this fault diagnosis method, it takes three characteristic values of the improved three-ratio method as its inputs and five transformer...
Linux is a common time-sharing operating system. Due to its real-time task response time of great uncertainty and unpredictability, it has still many shortcomings while being applied to digital system. The paper discusses Linux-based real-time to improve on the basis of the use of software instrumentation technology for Linux and RT-Linux operating system for real-time targets evaluation form. The...
Feature selection is a key step in text categorization, its results has direct influence on the classification accuracy. Evaluation function is usually adopted in feature selection method to calculate the value of feature words,and the feature words which assessed value is higher than setted threshold are maintained as the final feature subset.So the threshold is the important factors of feature selection...
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