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• Ralph Gasser

Ralph Gasser

Research Topics

• Multimedia Information Retrieval

Projects

• IMOTION - Intelligent Multi-Modal Augmented Video Motion Retrieval System
• verifir - Real-time Detection and Analysis of Disinformation on the Web
• VIRTUE (VIRTUal Exhibition hall)
• vitrivr

Lectures

2020 Spring Semester

• DBIS Research Seminar

2019 Fall Semester

• DBIS Research Seminar
• Foundations of Distributed Systems
• Seminar Modern Human-Machine Interaction

2019 Spring Semester

• DBIS Research Seminar

2018 Fall Semester

• DBIS Research Seminar
• Foundations of Distributed Systems

2018 Spring Semester

• DBIS Research Seminar
• Distributed Information Systems (cs341)

2017 Fall Semester

• DBIS Research Seminar

Advised Theses

• Severin Wyss (Master Thesis)
  Towards a Framework for Contextualising Potential Fake News on Twitter
• Loris Sauter (Master Thesis)
  Fighting misinformation: Image forgery detection in social media streams

Publications

2020

• Loris Sauter, Mahnaz Amiri Parian, Ralph Gasser, Silvan Heller, Luca Rossetto, Heiko Schuldt
  Combining Boolean and Multimedia Retrieval in vitrivr for large-scale Video Search
  Proceedings of the 26th International Conference on MultiMedia Modeling, Daejeon, Korea 2020/1

2019

• Luca Rossetto, Ralph Gasser, Heiko Schuldt
  Query by Semantic Sketch
  arXiv cs.MM, 2019/9
• Ralph Gasser, Luca Rossetto, Heiko Schuldt
  Multimodal Multimedia Retrieval with vitrivr
  Proceedings of the International Conference on Multimedia Retrieval (ICMR), Ottawa, ON, Canada 2019/6
• Luca Rossetto, Ralph Gasser, Silvan Heller, Mahnaz Amiri Parian, Heiko Schuldt
  Retrieval of Structured and Unstructured Data with vitrivr
  Proceedings of the International Conference on Multimedia Retrieval (ICMR), Ottawa, ON, Canada 2019/6
• Ivan Giangreco, Loris Sauter, Mahnaz Amiri Parian, Ralph Gasser, Silvan Heller, Luca Rossetto, Heiko Schuldt
  VIRTUE — A Virtual Reality Museum Experience
  Proceedings of the 24th ACM International Conference on Intelligent User Interfaces (IUI’19), Los Angeles, CA, USA 2019/3
• Luca Rossetto, Mahnaz Amiri Parian, Ralph Gasser, Ivan Giangreco, Silvan Heller, Heiko Schuldt
  Deep Learning-based Concept Detection in vitrivr at the Video Browser Showdown 2019 - Final Notes
  arXiv cs.MM, 2019/2
• Jakub Lokoc, Gregor Kovalcic, Bernd Münzer, Klaus Schöffmann, Werner Bailer, Ralph Gasser, Stefanos Vrochidis, Phuong Anh Nguyen, Sitapa Rujikietgumjorn, Kai Uwe Barthel
  Interactive Search or Sequential Browsing? A Detailed Analysis of the VBS 2018
  ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), 2019/2
• Ralph Gasser, Luca Rossetto, Heiko Schuldt
  Towards an All-Purpose Content-Based Multimedia Information Retrieval System
  arXiv cs.MM, 2019/2
• Luca Rossetto, Mahnaz Amiri Parian, Ralph Gasser, Ivan Giangreco, Silvan Heller and Heiko Schuldt
  Deep Learning-based Concept Detection in vitrivr
  Proceedings of the 25th International Conference on MultiMedia Modeling, Thessaloniki, Greece 2019/1

2018

• Luca Rossetto, Ivan Giangreco, Ralph Gasser and Heiko Schuldt
  Competitive Video Retrieval with vitrivr at the Video Browser Showdown 2018 - Final Notes
  arXiv cs.MM, 2018/5
• Luca Rossetto, Ivan Giangreco, Ralph Gasser and Heiko Schuldt
  Competitive Video Retrieval with vitrivr
  Proceedings of the International Conference on Multimedia Modeling (MMM), Bangkok, Thailand 2018/2

2017

• Luca Rossetto, Ivan Giangreco, Ralph Gasser and Heiko Schuldt
  Content-based Multimedia Retrieval using vitrivr
  ACM SIGMM Records, 2017/12

Own Theses

• Towards an all-purpose, content-based multimedia information retrieval system (Master Thesis)