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As a specialist in image analysis and processing, the 61 year-old mathematician Jean-Michel Morel would never have reckoned when starting his research career that it would change the life of industrialists and the public at large. Since then, his powerful image denoising algorithms (to filter out disturbances, aka noise) have improved the miniaturisation of video cameras in cell phones, especially those produced by the DxO Labs Company. Additionally, in partnership with the CNES, his research team at the centre for mathematics and their applications (Centre de mathématiques et de leurs applications) helped design Earth-observation satellites and the relief high-precision mapping of our planet. For a few years now, he has committed himself to the new cause of online algorithm sharing and experimenting through the Ipol journal available to scientist and industrialists, as a first tool of its kind that he created on the Internet. As a winner of the 2015 CNRS Innovation Medal, he takes a look back on his career.