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What is Perceptive Media from TEDxBristol delivered by Ian Forrester

"Frank Rose is a leading writer and speaker on digital culture. His most recent book, The Art of Immersion: How the Digital Generation Is Remaking Hollywood, Madison Avenue, and the Way We Tell Stories, investigates how entertainment and advertising are responding to overwhelming technological change."

"We extract heart rate and beat lengths from videos by measuring subtle head motion caused by the Newtonian reaction to the influx of blood at each beat. Our method tracks features on the head and performs principal component analysis (PCA) to decompose their trajectories into a set of component motions. It then chooses the component that best corresponds to heartbeats based on its temporal frequency spectrum. Finally, we analyze the motion projected to this component and identify peaks of the trajectories, which correspond to heartbeats. When evaluated on 18 subjects, our approach reported heart rates nearly identical to an electrocardiogram device. Additionally we were able to capture clinically relevant information about heart rate variability."

Steven Soderbergh and HBO present Mosaic: A new storytelling experience that lets you choose your own path. Download the free app now. The six-part limited series will air on HBO in January 2018.

Short lecture by Kurt Vonnegut on the 'simple shapes of stories.'

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