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Proceedings chapter
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English

Affective Ranking of Movie Scenes Using Physiological Signals and Content Analysis

Presented at Vancouver (Canada), October 26 - 31, 2008
PublisherAssociation for Computing Machinery (ACM)
Publication date2008
Abstract

In this paper, we propose an approach for affective ranking of movie scenes based on the emotions that are actually felt by spectators. Such a ranking can be used for characterizing the affective, or emotional, content of video clips. The ranking can for instance help determine which video clip from a database elicits, for a given user, the most joy. This in turn will permit video indexing and retrieval based on affective criteria corresponding to a personalized user affective profile.A dataset of 64 different scenes from 8 movies was shown to eight participants. While watching, their physiological responses were recorded; namely, five peripheral physiological signals (GSR - galvanic skin resistance, EMG - electromyograms, blood pressure, respiration pattern, skin temperature) were acquired. After watching each scene, the participants were asked to self-assess their felt arousal and valence for that scene. In addition, movie scenes were analyzed in order to characterize each with various audio- and video-based features capturing the key elements of the events occurring within that scene.Arousal and valence levels were estimated by a linear combination of features from physiological signals, as well as by a linear combination of content-based audio and video features. We show that a correlation exists between arousal- and valence-based rankings provided by the spectator's self-assessments, and rankings obtained automatically from either physiological signals or audio-video features. This demonstrates the ability of using physiological responses of participants to characterize video scenes and to rank them according to their emotional content. This further shows that audio-visual features, either individually or combined, can fairly reliably be used to predict the spectator's felt emotion for a given scene. The results also confirm that participants exhibit different affective responses to movie scenes, which emphasizes the need for the emotional profiles to be user-dependant.

Keywords
  • Multimedia indexing and retrieval
  • Affective personalization and ranking
  • Emotion recognition and assessment
  • Affective computing
  • Physiological signals
Citation (ISO format)
SOLEYMANI, Mohammad et al. Affective Ranking of Movie Scenes Using Physiological Signals and Content Analysis. In: Proceedings of the 2nd ACM Workshop on Multimedia semantics, MS′08. Vancouver (Canada). [s.l.] : Association for Computing Machinery (ACM), 2008. doi: 10.1145/1460676.1460684
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