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<sc:para xml:space="preserve">Multimodal Analysis of Video Lectures for Better Learning Experiences</sc:para>
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<sc:para xml:space="preserve">Multimodal Analysis of Video Lectures for Better Learning Experiences</sc:para>
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<op:txt>
<sc:para xml:space="preserve">Travis SENG June 16th, 2025</sc:para>
</op:txt>
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<sp:info>
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<sp:title>
<op:title>
<sc:para xml:space="preserve">Jury</sc:para>
</op:title>
</sp:title>
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<op:res>
<sp:txt>
<op:txt>
<sc:para xml:space="preserve">Géraldine MORIN President Laurent HEUTTE Reviewer Mounim EL-YACOUBI Reviewer Muriel VISANI Examiner Vincent Charvillat Supervisor Wei Tsang OOI Co-supervisor Axel Carlier Co-supervisor</sc:para>
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<sp:res sc:refUri="page_0000_fig0.png">
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<sp:res sc:refUri="page_0000_fig1.png">
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<sp:res sc:refUri="page_0000_fig3.png">
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<sp:res sc:refUri="page_0000_fig4.png">
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<sp:txt>
<op:txt>
<sc:itemizedList>
<sc:listItem>
<sc:para xml:space="preserve">Technology allows to film and learn on our phones</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Video Lectures and MOOC usage increase year by year</sc:para>
</sc:listItem>
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<sp:res sc:refUri="page_0002_fig0.png">
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<op:res>
<sp:txt>
<op:txt>
<sc:para xml:space="preserve">Les capsules vidéo pédagogiques : une plus-value pour les apprentissages ?, Fabiano, 2023</sc:para>
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<sp:info>
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<sp:txt>
<op:txt>
<sc:itemizedList>
<sc:listItem>
<sc:para xml:space="preserve">Flexibility</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Self-paced learning</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Accessibility potential</sc:para>
</sc:listItem>
</sc:itemizedList>
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<sp:res sc:refUri="page_0003_fig0.png">
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<sp:res sc:refUri="page_0003_fig1.png">
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<op:res>
<sp:txt>
<op:txt>
<sc:para xml:space="preserve">Les capsules vidéo pédagogiques : une plus-value pour les apprentissages ?, Fabiano, 2023</sc:para>
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<sp:title>
<op:title>
<sc:para xml:space="preserve">Challenges</sc:para>
</op:title>
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</op:uM>
<sp:pb>
<op:pb>
<sp:info>
<op:pbTi>
<sp:title>
<op:title>
<sc:para xml:space="preserve">Video Duration Distribution of MIT OpenCourseWare Channel</sc:para>
</op:title>
</sp:title>
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<op:res>
<sp:txt>
<op:txt>
<sc:para xml:space="preserve">Total Videos: 428 Average Duration: 53.6 minutes</sc:para>
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<sp:res sc:refUri="page_0004_fig0.png">
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<sc:listItem>
<sc:para xml:space="preserve">Long videos</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Navigability</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Lack of student interaction</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Engagement</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Cognitive overload</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Accessibility</sc:para>
</sc:listItem>
</sc:itemizedList>
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<sp:title>
<op:title>
<sc:para xml:space="preserve">Multimodal Analysis of Video Lectures for Better Learning Experiences</sc:para>
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<op:txt>
<sc:itemizedList>
<sc:listItem>
<sc:para xml:space="preserve">Screen sharing</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Slides</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Camera</sc:para>
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<sc:listItem>
<sc:para xml:space="preserve">Talking head</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Blackboard</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Additional material</sc:para>
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<sc:listItem>
<sc:para xml:space="preserve">Pointer trajectory</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Mouse cursor</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Annotations</sc:para>
</sc:listItem>
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<sp:res sc:refUri="page_0005_fig1.png">
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<sp:res sc:refUri="page_0005_fig5.png">
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<sp:res sc:refUri="page_0005_fig6.png">
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<sp:title>
<op:title>
<sc:para xml:space="preserve">Research Problem & Objectives</sc:para>
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<sp:basic>
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<sp:title>
<op:title>
<sc:para xml:space="preserve">Problem Statement</sc:para>
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<sp:txt>
<op:txt>
<sc:para xml:space="preserve">Video Lectures often underutilize their potential due to:</sc:para>
<sc:itemizedList>
<sc:listItem>
<sc:para xml:space="preserve">Long videos</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Navigability</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Lack of student interaction</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Engagement</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Cognitive overload</sc:para>
</sc:listItem>
<sc:listItem>
<sc:para xml:space="preserve">Accessibility</sc:para>
</sc:listItem>
</sc:itemizedList>
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<op:title>
<sc:para xml:space="preserve">Objective</sc:para>
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<sp:txt>
<op:txt>
<sc:para xml:space="preserve">Investigate how multimodal analysis can enhance the usability and educational value of video lectures.</sc:para>
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<sp:title>
<op:title>
<sc:para xml:space="preserve">Contributions</sc:para>
</op:title>
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<sp:info>
<op:pbTi/>
<op:res>
<sp:res sc:refUri="page_0008_fig0.png">
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<sp:res sc:refUri="page_0008_fig1.png">
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<sp:res sc:refUri="page_0008_fig2.png">
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<sp:res sc:refUri="page_0008_fig3.png">
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<sp:title>
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<sc:para xml:space="preserve">Bounding boxes</sc:para>
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<sp:res sc:refUri="page_0008_fig4.png">
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<sp:title>
<op:title>
<sc:para xml:space="preserve">Contributions
Temporal Segmentation of Video Lectures</sc:para>
</op:title>
</sp:title>
</op:uM>
<sp:pb>
<op:pb>
<sp:info>
<op:pbTi/>
<op:res>
<sp:res sc:refUri="page_0009_fig0.png">
<op:resInfoM/>
</sp:res>
<sp:res sc:refUri="page_0009_fig1.png">
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</sp:pb>
</op:expUc>
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<sp:courseUc>
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<sp:title>
<op:title>
<sc:para xml:space="preserve">Contributions
Video Lecture Augmented and Interactive Interface</sc:para>
</op:title>
</sp:title>
</op:uM>
<sp:pb>
<op:pb>
<sp:info>
<op:pbTi/>
<op:res>
<sp:res sc:refUri="page_0010_fig0.png">
<op:resInfoM/>
</sp:res>
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<sp:div>
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<op:ueDivM>
<sp:title>
<op:title>
<sc:para xml:space="preserve">Related work Education applications</sc:para>
</op:title>
</sp:title>
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<op:expUc>
<op:uM>
<sp:title>
<op:title>
<sc:para xml:space="preserve">Related work</sc:para>
</op:title>
</sp:title>
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<op:pb>
<sp:info>
<op:pbTi/>
<op:res>
<sp:txt>
<op:txt>
<sc:table>
<sc:column/>
<sc:column/>
<sc:column/>
<sc:column/>
<sc:row>
<sc:cell>
<sc:para xml:space="preserve">Title</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Authors</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Year</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Focus</sc:para>
</sc:cell>
</sc:row>
<sc:row>
<sc:cell>
<sc:para xml:space="preserve">VideoKen: Automatic Video Summarization and Course Curation to Support Learning</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Mahapatra et al.</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">2018</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Indexing</sc:para>
</sc:cell>
</sc:row>
<sc:row>
<sc:cell>
<sc:para xml:space="preserve">Lecture2note: Automatic generation of lecture notes from slide-based educational videos</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Xu et al.</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">2019</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Summarization</sc:para>
</sc:cell>
</sc:row>
<sc:row>
<sc:cell>
<sc:para xml:space="preserve">LectYS: A System for Summarizing Lecture Videos on YouTube</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Yoo et al.</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">2021</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Summarization and Indexing</sc:para>
</sc:cell>
</sc:row>
<sc:row>
<sc:cell>
<sc:para xml:space="preserve">Slidecho: Flexible Non-Visual Exploration of Presentation Videos</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Peng et al.</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">2021</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Accessibility</sc:para>
</sc:cell>
</sc:row>
<sc:row>
<sc:cell>
<sc:para xml:space="preserve">FitVid: Responsive and Flexible Video Content Adaptation</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Kim et al.</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">2022</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Accessibility and Interactivity</sc:para>
</sc:cell>
</sc:row>
<sc:row>
<sc:cell>
<sc:para xml:space="preserve">SmartLearn: Visual-Temporal Accessibility for Slide-based e-learning Videos</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Sechayk et al.</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">2024</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Accessibility and Summarization</sc:para>
</sc:cell>
</sc:row>
</sc:table>
</op:txt>
</sp:txt>
</op:res>
</sp:info>
</op:pb>
</sp:pb>
</op:expUc>
</sp:courseUc>
<sp:courseUc>
<op:expUc>
<op:uM>
<sp:title>
<op:title>
<sc:para xml:space="preserve">Content Summarization and Indexing</sc:para>
</op:title>
</sp:title>
</op:uM>
<sp:pb>
<op:pb>
<sp:info>
<op:pbTi/>
<op:res>
<sp:res sc:refUri="page_0013_fig0.png">
<op:resInfoM/>
</sp:res>
<sp:res sc:refUri="page_0013_fig1.png">
<op:resInfoM/>
</sp:res>
</op:res>
</sp:info>
<sp:info>
<op:pbTi/>
<op:res>
<sp:txt>
<op:txt>
<sc:para xml:space="preserve">Segmentation, key-frame extraction, content extraction (OCR, ASR), NLP (TextRank, Word2Vec)</sc:para>
</op:txt>
</sp:txt>
</op:res>
</sp:info>
<sp:info>
<op:pbTi/>
<op:res>
<sp:txt>
<op:txt>
<sc:para xml:space="preserve">Subtitle Extraction, Latent Semantic Analysis (LSA)</sc:para>
</op:txt>
</sp:txt>
</op:res>
</sp:info>
<sp:info>
<op:pbTi/>
<op:res>
<sp:txt>
<op:txt>
<sc:para xml:space="preserve">VideoKen: Automatic Video Summarization and Course Curation to Support Learning, Mahapatra et al., 2018</sc:para>
<sc:para xml:space="preserve">Yoo et al. LectYS: A System for Summarizing Lecture Videos on YouTube, 2021</sc:para>
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</sp:txt>
</op:res>
</sp:info>
<sp:info>
<op:pbTi/>
<op:res>
<sp:res sc:refUri="page_0014_fig0.png">
<op:resInfoM/>
</sp:res>
</op:res>
</sp:info>
<sp:basic>
<op:pbTi/>
<op:res>
<sp:txt>
<op:txt>
<sc:para xml:space="preserve">Visual Entity Extraction, Entity Extraction, Text-Speech Matching</sc:para>
</op:txt>
</sp:txt>
</op:res>
</sp:basic>
</op:pb>
</sp:pb>
</op:expUc>
</sp:courseUc>
</op:ueDiv>
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</sc:item>
Travis SENG June 16th, 2025
Géraldine MORIN President Laurent HEUTTE Reviewer Mounim EL-YACOUBI Reviewer Muriel VISANI Examiner Vincent Charvillat Supervisor Wei Tsang OOI Co-supervisor Axel Carlier Co-supervisor





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<sc:para xml:space="preserve">Travis SENG June 16th, 2025</sc:para>
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<sp:txt>
<op:txt>
<sc:para xml:space="preserve">Géraldine MORIN President Laurent HEUTTE Reviewer Mounim EL-YACOUBI Reviewer Muriel VISANI Examiner Vincent Charvillat Supervisor Wei Tsang OOI Co-supervisor Axel Carlier Co-supervisor</sc:para>
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- Technology allows to film and learn on our phones - Video Lectures and MOOC usage increase year by year


Les capsules vidéo pédagogiques : une plus-value pour les apprentissages ?, Fabiano, 2023
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- Flexibility - Self-paced learning - Accessibility potential


Les capsules vidéo pédagogiques : une plus-value pour les apprentissages ?, Fabiano, 2023
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Total Videos: 428 Average Duration: 53.6 minutes

- Long videos - Navigability - Lack of student interaction - Engagement - Cognitive overload - Accessibility
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<sc:para xml:space="preserve">Total Videos: 428 Average Duration: 53.6 minutes</sc:para>
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- Screen sharing - Slides - Camera - Talking head - Blackboard - Additional material - Pointer trajectory - Mouse cursor - Annotations







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Video Lectures often underutilize their potential due to: - Long videos - Navigability - Lack of student interaction - Engagement - Cognitive overload - Accessibility
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Investigate how multimodal analysis can enhance the usability and educational value of video lectures.
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Temporal Segmentation of Video Lectures</sc:para>
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Video Lecture Augmented and Interactive Interface</sc:para>
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| Title | Authors | Year | Focus | | --- | --- | --- | --- | | VideoKen: Automatic Video Summarization and Course Curation to Support Learning | Mahapatra et al. | 2018 | Indexing | | Lecture2note: Automatic generation of lecture notes from slide-based educational videos | Xu et al. | 2019 | Summarization | | LectYS: A System for Summarizing Lecture Videos on YouTube | Yoo et al. | 2021 | Summarization and Indexing | | Slidecho: Flexible Non-Visual Exploration of Presentation Videos | Peng et al. | 2021 | Accessibility | | FitVid: Responsive and Flexible Video Content Adaptation | Kim et al. | 2022 | Accessibility and Interactivity | | SmartLearn: Visual-Temporal Accessibility for Slide-based e-learning Videos | Sechayk et al. | 2024 | Accessibility and Summarization |
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<sc:para xml:space="preserve">Summarization</sc:para>
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<sc:para xml:space="preserve">LectYS: A System for Summarizing Lecture Videos on YouTube</sc:para>
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<sc:para xml:space="preserve">Yoo et al.</sc:para>
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<sc:cell>
<sc:para xml:space="preserve">2021</sc:para>
</sc:cell>
<sc:cell>
<sc:para xml:space="preserve">Summarization and Indexing</sc:para>
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<sc:para xml:space="preserve">Accessibility</sc:para>
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<sc:para xml:space="preserve">SmartLearn: Visual-Temporal Accessibility for Slide-based e-learning Videos</sc:para>
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Segmentation, key-frame extraction, content extraction (OCR, ASR), NLP (TextRank, Word2Vec)
Subtitle Extraction, Latent Semantic Analysis (LSA)
VideoKen: Automatic Video Summarization and Course Curation to Support Learning, Mahapatra et al., 2018 Yoo et al. LectYS: A System for Summarizing Lecture Videos on YouTube, 2021
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Visual Entity Extraction, Entity Extraction, Text-Speech Matching
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</sp:pb>
</op:expUc>
</sc:item>