Cited by 6Speech and dialogue systemsMultimodal Machine Learning ApplicationsTopic Modeling

Transfer learning for multimodal dialog

Open access
Palaskar, Shruti, Sanabria, Ramon, Metze, Florian·2020·Computer Speech & Language

Abstract

Audio-Visual Scene-Aware Dialog (AVSD) is best understood as an extension of Visual Question Answering, the task of generating a textual answer in response to a textual question on multi-media content. In AVSD, the answer-relevant “context” is expanded to include past dialog turns, which we view as a specialized form of extra textual knowledge (in addition to the standard video features). We have developed a framework that uses hierarchical attention to fuse contributions from different modalities, and had shown how it can be used to generate textual summaries from multi-modal sources, specifically videos with accompanying commentary. In this paper, we transfer the algorithmic approach, models, and data from this background corpus of 2000 h of how-to videos to the AVSD task, and report our findings. Our approach uses dialog context, but makes no assumption about the ordering of the history. Our system achieves the best performance in both automatic and human evaluations in the 7th Dialog State Tracking Challenge (AVSD).

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Research works printed but not linked: 2

  1. Libovick y, J., Palaskar, S., Gella, S., Metze, F., 2018. Multimodal abstractive summarization of open-domain videos. NeurIPS Workshop on Visually Grounded Inter- action and Language (ViGIL).
  2. Xu, K., Ba, J., Kiros, R., Cho, K., Courville, A., Salakhudinov, R., Zemel, R., Bengio, Y., 2015. Show, attend and tell: neural image caption generation with visual atten- tion. International conference on machine learning, pp. 2048-2057.

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Authors
Palaskar, S., Sanabria, R., & Metze, F.
Affiliations
Carnegie Mellon University (US)
Corresponding author
Palaskar, Shruti
Venue
Computer Speech & Language
Publisher
Elsevier BV
Published
2020-11
Volume
64
Pages
101093
ISSN
0885-2308 (ISSN-L)
OpenAlex
W3012039651
Cited by
6
References
41
Citations by year
2023: 1 · 2022: 2 · 2021: 3
FWCI
0.59
Type
journal article
Language
en
Open access
Locations
Computer Speech & Language (publishedVersion, cc-by)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Speech and dialogue systems
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Multimodal Machine Learning Applications
  • Physical Sciences › Computer Science › Artificial Intelligence › Topic Modeling
Keywords
transfer learning, visual question answering, multimodal fusion, hierarchical attention, video tutorials, dialogue state tracking, multimodal summarization

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