Talks ‒ IVRL ‐ EPFL

Plenaries and Keynotes

DeepFakes: Creation, Dissemination, Detection, 25th International Conference on Digital Signal Processing, Messinia, Greece. (June 2025)
Fotos, Fakten, Fiktionen, Photography after Immateriality Symposium, Bern, Switzerland. (October 2024)
On Image and Video Hallucinations, International Workshop on the Theory of Computational Sensing (CoSeRa 2024), Santiago de Compostela, Spain. (September 2024)
Towards Visually-Plausible and Controllable Virtual Reality, International Conference on 3D Vision, Davos, Switzerland (April 2024, cancelled due to sickness).
On Image and Video Hallucinations, IEEE International Conference on Image Processing (ICIP), Kuala Lumpur, Malaysa. (October 2023)
Opponency Revisited, Progress Workshop at ICIP, Kuala Lumpur, Malaysa. (October 2023)
Extending the Versatility of Neural Radiance Fields (NeRFs), Mobile Intelligent Photography and Imaging (MIPI) Workshop, CVPR 2023, Vancouver, Canada. (June 2023)
Enhancing and Understanding Drone Images, UG^2 Workshop, CVPR 2023, Vancouver, Canada. (June 2023)
On the Future of the Humanities, 75th Anniversary Celebration of SAUTE (Swiss Association of University Teachers of English), Bern, Switzerland. (November 2022)
Opponency revisited, Jacques Morgenstern Colloquium, Inria, Sophia-Antipolis, France. (March 2022)
Precise and Accurate Image-Based Measurements of Material Properties, Computational Cameras and Displays (CCD) Workshop, CVPR 2022, New Orleans, USA. (June 2022)
La société 4.0 : une dictature numérique ou une démocratie des données ? Congrès suisse des bibliothèques, L’Association des bibliothèques suisses Bibliosuisse, Berne, Switzerland. (October 2021)
Opponency revisted, European Signal Processing Conference (EUSIPCO), Dublin, Ireland (on-line due to Covid). (August 2021)
Visual Computing: facts, fakes, and fiction, Women in Data Science (WiDS), Zurich, Switzerland. (March 2021)
Denoising Revisited, Computational Cameras and Displays (CCD) Workshop, CVPR 2020, (on-line). (June 2020)
RGB+ Using Near-Infrared (NIR) to Improve Computational Photography Applications, IEEE CVPR Workshop on Perception Beyond the Visible Spectrum (PBVS 2018), Salt Lake City, USA (June 2018).
Vision, Imaging, and Machine Learning: Fact and Fancy, Océ R&D Image Processing Conference, Venlo, Netherlands (June 2018).
Image and Video Recognition, Fact and Fancy, SWISS TXT Kundenevent, Oerlikon, Switzerland (April 2018).
RGB+ Improving the Visible with the Invisible, Eurographics 2018, Delft, Netherlands (April 2018).
RGB+: Near-Infrared in Computational Photography, International Conference on Computational Photography (ICCP 2017), Stanford, CA, USA (May 2017).
Ein Bild sagt mehr als tausend Worte, aber sagen tausend Pixels mehr als ein Wort?, 4. Tagung Digital Humanities im deutschsprachigen Raum (DHd2017), University of Bern, Switzerland (February 2017).
Opponent Colors Revisited, 12th International Symposium on Mathematical Morphology (ISMM 2015), Reykjavik, Iceland (May 2015).
Opponent Colors Revisited, 19th International Workshop on Vision, Modeling and Visualization (VMV 2014) and 12th Eurographics Workshops on Graphics and Cultural Heritage (EG GCH 2014), Darmstadt, Germany (October 2014).
Moving beyond RGB, 20th National Conference on Communications (NCC-2014), IIT Kanpur, Knapur, India (February 2014).
Controversial Color, IS&T 21st Color and Imaging Conference (CIC21), Albuquerque, NM, USA (November 2013).
Another Look at Signals and Images, IS&T/SPIE 25th Electronic Imaging Symposium, San Francisco, USA (January 2013).
RGB+: Exploiting Near-Infrared to Advance Computer Vision and Computational Photography, ECCV’s 4th Color in Photography and Computer Vision Workshop (WCPCV), Florence, Italy (October 2012).
RGB++: How Multimedia improves Image Processing and Image Understanding, IEEE International Workshop on Multimedia Signal Processing (MMSP 2012), Banff, Canada (September 2012).
Improving the Visible with the Invisible: Incorporating near-infrared cues in computational photography and computer vision tasks, VISIGRAPP 2012, Rome, Italy (February 2012).
More physics! The benefits of incorporating near-infrared cues in image processing and computer vision tasks, IS&T/SPIE Electronic Imaging Symposium 2012: Visual Information
Processing and Communication Conference, South San Francisco, USA (January 2012).
RGB+: Exploiting Near-Infrared to Advance Computational Photography and Computer Vision, SITIS 2011, Dijon, France (November 2011)
Near-infrared revisited: How Multimedia can benefit from more Physics, ICICS/ECE/IEEE Workshop on Future Communications and Multimedia Systems, Vancouver, BC, Canada (March 2011).
Computational Photography and Near-Infrared, 2nd European Workshop on Visual Information Processing (EUVIP 2010) in Paris, France (July 2010).
Towards a comprehensive Color Image Quality Metric, 5th Gjovic Color Imaging Symposium (GCIS09), Gjovic, Norway (June 09).
Computational Photography and Near-Infrared: Improving the Visible with the Invisible, 16th Scandinavian Conference on Image Analysis (SCIA 2009), Oslo, Norway (June 09).
Retinal Modeling in Digital Photography, IS&T Fourth European Conference on Color in Graphics, Imaging, and Vision (CGIV 2008), Terrassa, Spain (June 2008).
Die Tonwertanpassung von Farbbildern, basierend auf einem Modell der lokalen Adaption in der Retina, 13. Workshop Farbbildverarbeitung 2007, Deutsche Arbeitsgemeinschaft für Mustererkennung (DAGM e.V.) and German Color Group, Koblenz, Germany (Oct 2007).
Time(s) and Images: Past, Present, and Future of Image Databases Royal Photographic Society: Digital Futures 2006, London, UK (Oct 2006).
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Invited Talks

Artificial Intelligence: Facts, Fakes, and Fiction, European Broadcasting Union (EBU), Geneva, Switerland. (June, September, and November 2025)
Texture Synthesis using Neural Cellular Automata, ICCP 2025, Toronto, Canada. (July 2025)
DeepFakes: Creation, Dissemination, Detection, Switzerland Pavilion, World Expo, Osake, Japan. (April 2025)
Photography, Hallucination, Generative AI, CARUS-Seminar | Der Weg zur künstlichen Superintelligenz: Meilensteine, Roadmaps und Zukunftsvisionen”, Swiss Study Foundation, Disentis, Switzerland. (April 2025)
Fotos, Fakten und Fiktionen: Eine persönliche Reise durch die Innovationen der computergesteuerten Fotografie, Ringvorlesung “The Future of Digital Humanities”, University of Basel, Switzerland. (March 2025)
Détections des DeepFakes, Parlons numérique, « Le vrai-faux à l’ère de la désinformation et de l’IA », University of Geneva, Switzerland. (March 2025)
Les risques associés aux deepfakes sur les réseaux sociaux, CAS en droit IA, University of Neuchatel, Switzerland. (March 2025)
On Image and Video Hallucinations, EURASIP JIVP Webinar, on-line. (December 2024)
Le future de l’IA, AI Center Artificial Intelligence Day, EPFL. (November 2024)
Computational Photography and Generative AI, Guest Lecture in the EDOC “The Practice of Ethics in Engineering Research and Practice” course, EPFL. (November 2024).
Perspektive EPFL: Kollaboration im KI-Zeitalter, Fachbereichsseminar SRG Operationen, Nottwil, Switzerland. (September 2024)
Diffusion in Style, Institute for Mathematical and Statistical Innovation (IMSI), Workshop on Computational Imaging, Chicago, USA (on-line). (August 2024)
KI in der Schweiz, Swiss Marketing Association gfm, Bad Ragaz, Switzerland (September 2024).
On Image and Video Hallucinations, Ellis Distinguished Lecture Series, Stuttgart, Germany. (July 2024)
DeepFakes Facts and Fiction, C4DT Networking Event, Grandvaux, Switzerland. (June 2024)
L’IA et les DeepFakes: faits et fiction, Colloque Intelligence artificielle et créativité, Coalition suisse pour la diversité Culturelle, Suisseculture et la Commission fédérale du cinéma, Bern, Switzerland. (May 2024)
AI, ML, Largo and DeepFakes for Audiovisual Content, Historical Institute, University of Bern, Bern, Switzerland. (May 2024)
DeepFakes, Séminaire sur les applications de l’intelligence artificielle au cinéma, Fonction Cinema, Genève, Switzerland. (April 2024)
DeepFakes: faits et fiction, Journée cadre du Département fédéral de l’économie, de la formation et de la recherche (DEFR), Bern, Switzerland. (April 2024).
L’IA et les DeepFakes, Médias francophones publics, Lausanne, Switzerland. (March 2024)
DeepFakes: Facts and Fiction, EuroTech Universities Annual Event, Bruxelles, Belgium. (March 2024)
Opponency revisited, Women in IC, EPFL. (November 2023)
Diffusion in Style, Computer Science Seminar Series, Clemson University, USA (on-line). (November 2023)
DeepFakes, Law School Doctoral School, University of Neuchâtel, Neuchâtel, Switzerland. (November 2023)
DeepFakes, SRG Zentralschweiz, Lucerne, Switzerland. (October 2023)
Diffusion in Style, Huawei Mobile Imaging Workshop, Cannes, France. (October 2023)
L’intelligence artificielle: développements technologiques, Office fédéral de la Culture, Bern, Switzerland. (September 2023).
L’intelligence artificielle: quel nouveau défi pour les médias ?, SSR Suisse Romande, Section Vaud et Genève, EPFL. (September 2023)
The Swiss Science Council – from cacophony to consensus, Signal Processing and Friends, EPFL. (August 2023)
Swiss Science Council, Science and Policy: How to bridge the gap?, ETHZ-EPFL Science and Policy Summer School, Beatenberg, Switzerland. (July 2023)
Intelligenza artifiziala – Künstliche Intelligenz, SRG SSR Svizra Rumantscha, Vella, Switzerland. (June 2023)
DeepFakes, Fratel, EPFL. (May 2023)
Deep Fakes, Annual Congress of the Swiss Association of Communication and Media Research, HSLU, Lucerne, Switzerland. (April 2023)
DeepFakes, SRG SSR National Delegate Assembly, Bern, Switzerland. (November 2022)
DeepFakes, IC School’s 20^th Anniversary Celebration and Alumni Reunion, EPFL. (November 2022)
Uncovering local semantics in CNNs and GAN’s, Advanced Imaging & Artificial Intelligence Workshop (AIIF), Seoul, Korea (on-line). (November 2022)
Visual Computing: Facts, Fakes, and Fiction, CUDAN Lab Seminar Series, Tallinn University, Estland, (on-line). (April 2022)
Saving Film, Cinémathèque suisse, Penthaz, Switzerland. (March 2022)
Visual Computing: facts, fakes, and fiction, Geneva International Film Festival (GIFF), Geneva, Switzerland. (November 2021)
Superpixels, Supervoxels, and Adaptels (with RK Achanta), Berkeley Institute for Data Science BIDS ImageXD 2021: Image Analysis Across Domains Workshop, Berkeley, USA, (on-line). (May 2021)
Visual Computing: facts, fakes, and fiction, Lions Club Solothurn, (on-line). (March 2021)
Deep learning and image restoration: A match made in heaven or hell? Electronic Imaging (EI) Computational Imaging XIX, (on-line). (January 2021)
Opponency revisited, EPFL Institute of Mechanical Engineering (IGM) Colloquium, (on-line). (October 2020)
Editing in Style: Uncovering the Local Semantics of GANs, German Conference on Computer Vision DAGM GCPR 2020, (on-line). (September 2020)
Towards Augmented Vision using Invisible Radiation, Vision for all Seasons Workshop (V4AS), CVPR 2020, (on-line). (June 2020)
Imaging and Machine Learning: facts, fakes, and fiction, European Broadcasting Union (EBU) AI in Production and Distribution Workshop, Manchester, UK. (November 2019)
Sculpture Paintings, Symposium in memory of Pr. Francis Schmitt, Paris, France. (October 2019)
Photography and Machine Learning, Arles Photography Festival, Arles, France. (July 2019)
RGB+ Improving Color Imaging with Extra Information, Xerox Parc, Palo Alto, USA (February 2019).
Vision, Imaging, and Machine Learning: Fact and Fancy, Workshop and Lecture Series on the Law & Economics of Innovation, ETH Zürich, Switzerland (October 2018).
Digital Photography: How do we quantify Beauty, Innovation Forum Lausanne and Club Photo EPFL, EPFL, Lausanne, Switzerland. (October 2018).
Deep Learning, Extracting Syntax and Semantics from Images and Videos (with F. Kaplan), Searching Through Seeing: Optimizing Computer Vision Technology for the Arts Symposium, Frick Collections, New York, NY, USA (April 2018).
Wenn Computer Bildlegenden Schreiben, Abendvortrag im Rahmen der Wechselausstellung “Netzwerk Schweizer Pressefotografie,” Stadtmuseum Aarau, Switzerland (February 2018).
Deep Learning in Visual Computing, 1st Sino-Swiss Artificial Intelligence Conference (Sino-Swiss AI 2017), December 2017.
Mining the Flux: Digital Image Classification and Image Retrieval, Photography and Information Technology Workshop, University of Lausanne, Switzerland, November 2017.
Opponent Colors Revisted, Colour Day, University of Lausanne, Switzerland, October 2017.
Near-Infrared for Image Enhancement and Restoration, NITRE Workshop at CVPR 2017, Honolulu, HI, USA, July 2017.
Color and Spectral Information in Modern Computer Vision, ECCV 2016 / ACM Multimedia Joint Invited Tutorial Day, Amsterdam, NL, October 2016.
Semantic-Improved Color Imaging Applications: It Is All About Context, FWS2015 – Farbworkshop, Universität Koblenz – Landau, Germany, September 2015.
Introducing Digital Humanities in an Engineering School: New Data, New Approaches, IS&T/SPIE Electronic Imaging: Human Vision and Electronic Imaging XX (HVEI XX), San Francisco, CA, USA, February 2015.
Opponent Colors Revisited, Computational Photography and Intelligent Cameras Workshop, Institute for Pure and Applied Mathematics (IPAM), UCLA, CA, USA, February 2015.
Introducing Digital Humanities in an Engineering School: New Data, New Approaches, IS&T/SPIE Electronic Imaging 2015, San Francisco, CA, USA, February 2015.
Sematic-Improved Color Imaging Applications: It Is All About Context, FWS 2015 – Workshop Farbbildverarbeitung, Koblenz, Germany, October 2015.
Computational Aesthetics, All About Imaging: Transactions, University of Westminster, London, England, May 2014.
IVRL Research, Philips Research, Eindhowen, The Netherlands, May 2014.
CIE Colorimetry, University of Geneva, Dental School, Genevy, Switzerland, March 2014.
Opponent Color Revisited, IIT Kanpur, Computer Science Department, Kanpur, India, March 2014.
The Use of Photographs in the Humanities, International College on New Approaches to the Digital Humanities, Ca’Foscari University, Venice, Italy, October 2013.
RGB++: How Side Information Improves Computational Photography and Computer Vision, Qualcomm Augmented Reality Lecture Series, TU Vienna, April 2013.
Opponent Colors Revisited, Computer and Information Science Department, University of Konstanz, Germany, January 2013.
Le Numérique au Service du Patrimoine, 4e Rencontres des Patrimoines, Université de Lausanne, Switzerland, November 2012.
The Opportunities and Challenges of 4-Channel (RGB+NIR) Image Acquisition on a Single Sensor, CMOS Emerging Technologies (CMOSET), Vancouver, Canada, July 2012.
Improving the Visible with the Invisible: Incorporating near-infrared cues in computational photography and computer vision tasks, Qualcomm, San Jose, February 2012.
Sabbatical talks on Computational Photography, Opponent Color Encoding, and Image Quality topics at Toyota Technological Institute at Chicago, the bimagicLab at Carnegie Mellon University, the EE Department at University of Washington, the Graphics, Vision, and Interaction Groups at Harvard School of Engineering and Applied Sciences, the Camera Culture Group in the MIT Media Lab, as well as Qualcomm Research in San Diego, HP Labs in Palo Alto, and Xerox Research Center in Webster, NY (February – June 2011).
The Future of Photography, 10th Anniversary of Image Engineering Gmbh, Cologne, Germany (Jan 2011).
Computational Photography, Doctoral School Seminar S2I, La Rochelle, France (Oct. 2010).
The Future of Photography, DGPh Science and Technology Symposium, Photokina, Cologne, Germany (Sept 2010).
Computational Photography, Know Thy Neighbor seminar series of IC at EPFL (May 2010).
Computational Photography and Near-Infrared: Exploiting Near-Infrared to Advance Computational Photography and Computer Vision, 48th SID International Symposium, Seminar and Exhibition (SID 2010), Seattle, WA, USA (May 2010).
Color in Image Collections and Archives, First Int. Workshop on Standards and Technologies in Multimedia Archives and Records (STAR), Lausanne, Switzerland (April 2010).
Computational Photography and Near-Infrared: Improving the Visible with the Invisible, Hewlett-Packard Laboratories, Palo Alto, CA, USA, Logitech, Freemont, CA, USA, Microsoft Research, Redmond, WA, USA, and University of Washington, Seattle, USA (Jan, Feb 2010).
Towards a comprehensive Color Image Quality Metric, IS&T/SPIE Electronic Imaging: Human Vision and Electronic Imaging XV, San Jose, CA, USA (January 2010).
Computational Photography and Near-Infrared: Improving the Visible with the Invisible, Swiss Federal Laboratories for Materials Testing and Research (EMPA), Duebendorf, ZH, Switzerland (January 2010).
Computational Photography and Near-Infrared: Improving the Visible with the Invisible, Nanyang Technological University (NTU), Singapore (Nov 2009).
Color Image Rendering and Segmentation based on Human Vision Models, Nokia/Universities Image Content and Quality Course, Helsinki, Finland (Nov 09).
Die Zukunft der Fotografie, Bild-Code-Speicher Workshop, Basel, Switzerland (Aug 09).
Material Classification using Visible and Near-Infrared Images, Multimedia, Mathematics and Machine Learning II Workshop, Banff International Research Station, Banff, Canada (July 09).
The impact of patent thickets on the protection of image-recording devices, European Patent Forum, Prague, Czech Republic (April 09).
Retinal Modeling in Color Imaging, Ecole d’Hiver sur l’Image Numérique Couleur Toulon, organized by Le Groupe Français pour l’Image Numérique Couleur (GFINC), Toulon, France (Jan 09).
Retinal Modeling in Digital Photography, University of Poitier, Poitier, France (Nov 2008).
Conservation of Ancient Photographs and Preservation of Digital Archives, A World of Colors: From Gabriel Lippmann to Nanophotonics, Paris, France (Oct 08).
Retinal Modeling in Digital Photography, University of Washington, Seattle, USA (Jan 2008).
Models of Color Vision for Image Processing, First CREATE Conference: Collaborate – Innovate – Create, Bristol, UK (Sept 07).
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Tutorials

Color Image Workflows and Architecture, IEEE Tencon 2009, Singapore (Nov 09).
Retinal Modeling in Color Imaging, IS&T/SID 16th Color Imaging Conference, Portland, OR, USA (Nov 2008).
Color Image Workflows and Architecture for Archiving Applications, IS&T Archiving Conferences, (2004-2009).