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"This is a technical demo for face substitution technique. The application works in real time and it's developed using the opensource framework for creative coding openFrameworks: openFrameworks.cc The face tracking library returns a mesh that matches the contour of the eyes, nose, mouth and other facial features. That way the mesh obtained from a photo is matched to the face in the video.

Proof on concept to track your face to see if your paying attention

Marketing has always been about playing the heartstrings, but don't think Apple's new patent on mood-sensing technology is going to revolutionize the field, says mood-tracking technology researcher Whitney Erin Boesel

Fitbit to mark the place of when someone falls a sleep

"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."

Computer vision has made significant progress in recent decades, with steady improvements in the performance and robustness of computational methods for real-time detection, recognition, tracking, and modeling

"Intelligent video processing produces stable video output, detects motion, creates intelligent thumbnails, and detects and tracks faces"