Self-adaptive matrix completion for heart rate estimation from face videos under realistic conditions

N Sebe, X Alameda-Pineda, S Tulyakov… - US Patent …, 2019 - Google Patents
Recent studies in computer vision have shown that, while practically invisible to a human
observer, skin color changes due to blood flow can be captured on face videos and …

Feature characterization from infrared radiation

A Shahar, CH Lee, RL Davies, S Orsten - US Patent 10,146,375, 2018 - Google Patents
Abstract Systems, apparatuses, and/or methods to characterize a user feature. For example,
and apparatus may include a pattern receiver to receive a feature infrared (IR) pattern …

Detector for identifying at least one material property

F Schick, P Schillen, P Schindler, A Schmidt… - US Patent …, 2024 - Google Patents
Described herein is a detector for identifying at least one material property m. The detector
includes at least one sensor element including a matrix of optical sensors, the optical …

生物体信息检测装置

渡边尚志 - 2018 - Google Patents
A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood
flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular …

Smart trigger system

ML Nagurka, RW Marklin Jr - US Patent 11,504,834, 2022 - Google Patents
An actuation system for preventing actuation of a base device upon a non-target substrate.
The actuation system includes a detector configured to generate and transmit a profile signal …

Method and system using biological information detection device using second light from target onto which dots formed by first light are projected to detect status of …

H Watanabe - US Patent 11,730,383, 2023 - Google Patents
A biological information detection method including: causing a light source to emit first light
in a first area; detecting a presence of a first living body in the first area based on a second …

Method and device for the non-contact determination of color and intensity variations over time in objects

J Sperrhake, T Pertsch, M Nisser… - US Patent …, 2024 - Google Patents
A method and a device for non-contact determination of temporal color and/or intensity
variations in objects in a scene. Monoscopic overview images of the scene are detected with …

Biological information detection apparatus that includes a light source projecting a near-infrared pattern onto an object and an imaging system including first …

H Watanabe - US Patent 11,490,825, 2022 - Google Patents
A biological information detection apparatus includes: a light source which projects a pattern
of near-infrared light onto an object including a living body; an imaging system which …