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| Content Provider | ACM Digital Library |
|---|---|
| Author | Bhatia, Shalini |
| Abstract | Most research on affect intensity has relied on the Affect Intensity Measure (AIM) of self-report that asks respondents to rate how often they react to situations with strong emotions. The AIM gives an indication of how strongly or weakly individuals tend to experience emotions in their everyday life. In this PhD project, I plan to quantify the affect intensity on a continuous scale using multiple modalities of video and audio on real-world, clinically validated depression datasets. Most of the work in this area treats the problem as a binary classification problem, mainly due to the lack of dimensional data. As the depression severity of a subject increases, as seen in the case of melancholia, the facial movements become very subtle. In order to quantify depression in general, and subtypes such as melancholia in particular, we need to reveal these subtle changes. To do this, I propose to use video magnification approaches. Inspired by the success of deep learning in video classification, I plan on using deep learning for information fusion over multiple modalities, such as Convolutional Neural Networks and Long Short Term Memory Networks. Using the common approach to video classification, i.e. local feature extraction, fixed size video level description and training a classifier on the resulting bag of words representation, I present preliminary results on the classification of melancholic and non-melancholic depressed subjects and healthy controls, which will serve as a baseline for future development in depression classification and analysis. I have also compared the sensitivity and specificity of classification in depression sub-types. . |
| Starting Page | 567 |
| Ending Page | 571 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781450345569 |
| DOI | 10.1145/2993148.2997622 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2016-10-31 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Deep learning Lstm Multimodal Depression Affect |
| Content Type | Text |
| Resource Type | Article |
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