Method for acquiring hotspot video information based on video tags
A technology of video labeling and hotspot information, which is applied in the fields of instruments, computing, and electronic digital data processing, etc., can solve the problems of inaccurate advertising push, poor delivery effect, irrelevant advertising content and video content, etc., and achieve accurate description of hotspot features, Improve delivery performance
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[0031] Assuming that the content of the video tag in the current video is "Jordan's dunk from the free throw line is so cool!", through semantic segmentation, we can get "Jordan", "this", "free throw line", "jump", "of", "slam dunk" ", "very handsome" words, get the words "Jordan", "free throw line", and "slam dunk" through part-of-speech filtering, and calculate the TF-IDF value of the two words, assuming the TF-IDF value of "Jordan" here is 0.4, the TF-IDF value of "free throw line" is 0.45, and the TF-IDF value of "slam dunk" is 0.3. After sorting, three features of "free throw line", "Jordan" and "slam dunk" are obtained descriptor. Count the number of tags at each time point in the entire video, take the k time points with the most tags (the value of k is equal to the quotient of video length divided by 3), define these k time points as temporary hotspots, and divide each temporary hotspot The feature descriptors of the first and last 10 seconds are merged into the tempo...
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