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本文建立了多模態融合系統用於分析社交網絡視頻所包含的情感信息,融合的信息包括視頻、音頻和文本。數據庫是從網上爬取的YouTube視頻數據,並提取其音頻流和文本做單獨分析。數據庫情感包含正面、負面、平靜三種。
對音頻做FFT,對文字信息建立詞典和語義模型。所有模型均使用HMM作爲分類器。
文章單獨對比了僅用單一信息進行識別和多信息融合識別效果,並分析了視頻中圖像、語言和聲音顯著變化時對情感的影響。
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