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A new generation of AI-enabled tools for accessible, personalised media experiences

14/11/2024 Surrey, University of

Scientists from the University of Surrey are teaching artificial intelligence models to re-light different body types and clothing without the need for 3D modelling. This may have a positive impact on the film, television and gaming industries in the near future.

Current AI approaches to re-lighting people often require a geometric 3D model to be created in the form of triangle meshes or point clouds before the correct shadowing effects can be applied. This new model, in contrast, only requires 2D images of people, as well as the changes in lighting, to allow the proposed technique to render self-shadowing effects.

Farshad Einabadi, a senior researcher at the University of Surrey's Centre for Vision, Speech and Signal Processing (CVSSP), said:

"This AI4ME project is a great example of how AI can be used to help increase the accessibility and realism of compositing techniques in film and TV by teaching computer models what human body types, articulations and clothing look like in different lighting settings without relying on time consuming and expensive 3D modelling. It allows an alternative approach to (re)lighting actors and presenters.

"We can considerably reduce the time and cost needed to render (re-light) full-body human images by training AI models on how to adapt to different lighting, body type, and clothing scenarios. This research and its findings should be useful, for example, for studios to augment their green screens production pipelines."

Professor Adrian Hilton, the Director of the Surrey Institute for People-Centred AI, said:

"AI4ME's research is pioneering a new approach using AI to enable advanced video editing of lighting and shadows, which normally requires expensive 3D modelling. This advance will impact UK creative industries, introducing a new generation of AI-enabled creative tools for film and TV production which maintain video realism, and allowing consumers affordable access to advanced creative technologies and personalised media experiences."

*This research was supported by UKRI EPSRC and BBC Prosperity Partnership AI4ME: Future Personalised Object-Based Media Experiences Delivered at Scale Anywhere EP/V038087.

https://ai4me.surrey.ac.uk/
Learning Self-Shadowing for Clothed Human Bodies; Farshad Einabadi, Jean-Yves Guillemaut and Adrian Hilton; Eurographics Symposium on Rendering; 10.2312/sr.20241159; July 2024
14/11/2024 Surrey, University of
Regions: Europe, United Kingdom
Keywords: Applied science, Artificial Intelligence, Computing, Business, Culture, media & publishing

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