Emotion plays a very important role in People's Daily life: a wealth of emotions is a great help to the speaker in conveying ideas.At the same time, video emotion recognition is one of the important research fields of human-computer interaction.In recent years, a lot of work on large-scale video emotion recognition has promoted the rapid development of image emotion recognition methods and systems.Based on this, this paper introduces the video emotion description model, summarizes the video description is often used in the process of emotion recognition characteristics, use at the time of the video feature extraction, processing method and the classification of the need when video emotion recognition algorithm, and has carried on the comparative analysis, hoping to promote the development of emotion recognition technology.
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