The Signal Processing Laboratory (LTS4) is a team of researchers led by Prof. Pascal Frossard, working in the Electrical Engineering Institute of the Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland.

The group research focuses on image processing, graph signal processing and machine learning, as well as closely related fields such as network data analysis, distributed signal processing, image and video coding and immersive communications. We work at the frontier between signal processing, machine learning and applied mathematics.

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