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- W4376644677 abstract "There is an abundance of digital video content due to the cloud’s phenomenal growth and security footage; it is therefore essential to summarize these videos in data centers. This paper offers innovative approaches to the problem of key frame extraction for the purpose of video summarization. Our approach includes the extraction of feature variables from the bit streams of coded videos, followed by optional stepwise regression for dimensionality reduction. Once the features are extracted and their dimensionality is reduced, we apply innovative frame-level temporal subsampling techniques, followed by training and testing using deep learning architectures. The frame-level temporal subsampling techniques are based on cosine similarity and the PCA projections of feature vectors. We create three different learning architectures by utilizing LSTM networks, 1D-CNN networks, and random forests. The four most popular video summarization datasets, namely, TVSum, SumMe, OVP, and VSUMM, are used to evaluate the accuracy of the proposed solutions. This includes the precision, recall, F-score measures, and computational time. It is shown that the proposed solutions, when trained and tested on all subjective user summaries, achieved F-scores of 0.79, 0.74, 0.88, and 0.81, respectively, for the aforementioned datasets, showing clear improvements over prior studies." @default.
- W4376644677 created "2023-05-17" @default.
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- W4376644677 date "2023-05-15" @default.
- W4376644677 modified "2023-09-26" @default.
- W4376644677 title "Static Video Summarization Using Video Coding Features with Frame-Level Temporal Subsampling and Deep Learning" @default.
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- W4376644677 doi "https://doi.org/10.3390/app13106065" @default.
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