Finding out the audio and visual features that influence the perception of laughter intensity and differ in inhalation and exhalation phases

This paper presents the results of the analysis of laughter expressive behavior. First we present the intensity annotation study of an audiovisual corpus of spontaneous laughter. In the second part of the paper we present the analysis of audio and visual cues that influence the perception of laughter intensity, as well as the study of audio and visual features that differ in laughter inhalation and