Opportunistic Plethysmography using Video Cameras

    公开(公告)号:US20190239762A1

    公开(公告)日:2019-08-08

    申请号:US16270704

    申请日:2019-02-08

    Applicant: Gill R. Tsouri

    Inventor: Gill R. Tsouri

    Abstract: A method for capturing a high-quality cardiac plethysmography signal automatically and seamlessly using the video cameras embedded in personal electronic devices, includes a program running in the background that periodically takes a picture of the person using the device, runs face detection and/or recognition algorithm, and upon detection of a face, records a video, and then processes the video using algorithms to assess video quality by extracting video quality parameters. When video quality parameters are above predefined thresholds, the recorded video is processed further to generate a plethysmography signal indicative of cardiac activity. The plethysmography signal may then be processed to deduce cardiac activity. The method maintains a pleasurable user experience with the personal electronic devices.

    Aspect-ratio independent, multimedia capture and editing systems and methods thereof
    148.
    发明授权
    Aspect-ratio independent, multimedia capture and editing systems and methods thereof 有权
    长宽比独立,多媒体捕获和编辑系统及其方法

    公开(公告)号:US09372530B2

    公开(公告)日:2016-06-21

    申请号:US11965409

    申请日:2007-12-27

    CPC classification number: G06F3/002

    Abstract: A multimedia capture system includes a plurality of imaging systems and one or more detection systems. The plurality of imaging systems capture image areas of a scene from at least partially different locations. The one or more detection systems determine a relative position of each of the plurality of imaging systems with respect to the different locations of the scene from where the image areas are captured. The relative position of each of the plurality of imaging systems and the captured image areas are used to generate a multimedia presentation of the scene. The capture system may be worn by an individual or may be on a stationary or mobile support.

    Abstract translation: 多媒体捕获系统包括多个成像系统和一个或多个检测系统。 多个成像系统从至少部分不同的位置捕获场景的图像区域。 所述一个或多个检测系统确定所述多个成像系统中的每一个相对于从所述图像区域被捕获的场所的不同位置的相对位置。 使用多个成像系统和捕获的图像区域中的每一个的相对位置来生成场景的多媒体呈现。 捕获系统可以由个人佩戴,或者可以在固定或移动支架上。

    Electrochemical Process for Producing Graphene, Graphene Oxide, Metal Composites, and Coated Substrates
    150.
    发明申请
    Electrochemical Process for Producing Graphene, Graphene Oxide, Metal Composites, and Coated Substrates 有权
    用于生产石墨烯,石墨烯氧化物,金属复合材料和涂覆基板的电化学工艺

    公开(公告)号:US20160017502A1

    公开(公告)日:2016-01-21

    申请号:US14800316

    申请日:2015-07-15

    CPC classification number: C25B1/00 C01B32/184 C01B32/192 C01B32/198 C01B32/23

    Abstract: A process and system for the electrochemical production of graphene, graphene oxide, graphene quantum dots, graphene/graphene oxide metal composites, graphene/graphene oxide coated substrates and graphene/graphene oxide metal composite coated substrates in a single step process involving no secondary purifications utilizes an electrochemical cell containing electrodes with variable gaps including a zero gap, containing an anode electrode including graphite, a cathode electrode including electrically conductive material with an electrolyte-free electrochemical bath including water and an organic liquid that produces joule heating along with oxygen embrittlement.

    Abstract translation: 石墨烯,氧化石墨烯,石墨烯量子点,石墨烯/氧化石墨烯金属复合材料,石墨烯/氧化石墨烯涂层基板和石墨烯/氧化石墨烯氧化物金属复合涂层基板在不涉及次级纯化的单步骤过程中电化学生产的方法和系统利用 包含具有包括零间隙的可变间隙的电极的电化学电池,其包含包括石墨的阳极电极,包括导电材料的阴极电极和包含水的电解质电化学浴和产生具有氧脆性的焦耳加热的有机液体。

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