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    • 2. 发明公开
    • DEVICE AND METHOD FOR DETERMINING THE BLOOD OXYGEN SATURATION OF A SUBJECT
    • VORRICHTUNG UND VERFAHREN ZUR BESTIMMUNG DERBLUTSAUERSTOFFSÄTTIGUNGEINER PERSON
    • EP2973394A1
    • 2016-01-20
    • EP14711010.0
    • 2014-03-05
    • Koninklijke Philips N.V.
    • VERKRUIJSSE, WillemBARTULA, Marek Janusz
    • G06T7/00A61B5/024A61B5/1455
    • A61B5/14552A61B5/02416A61B5/14551G06T7/0012G06T7/0016G06T2207/30076G06T2207/30104
    • A device for determining blood oxygen saturation of a subject comprises an interface for receiving a data stream derived from detected electromagnetic radiation emitted or reflected from one or more skin portions of the subject, said data stream comprising a data signal per skin pixel for a plurality of skin pixels of said one or more skin portions. An analyzer determines the change in blood oxygen saturation of said plurality of skin pixels based on the data signals of said plurality of skin pixels. A selector selects a group of skin pixels comprising either the skin pixels showing the fastest change in blood oxygen saturation or said plurality of skin pixels except for skin pixels showing the slowest change in blood oxygen saturation. A processor determines the blood oxygen saturation of the subject based on the data signals of the selected group of skin pixels.
    • 用于确定对象的血氧饱和度的装置包括用于接收由检测到的电磁辐射导出的数据流的接口,所述数据流从被检体的一个或多个皮肤部分发射或反射的所述电磁辐射,所述数据流包括每个皮肤像素的数据信号, 所述一个或多个皮肤部分的皮肤像素。 分析仪基于所述多个皮肤像素的数据信号来确定所述多个皮肤像素的血氧饱和度的变化。 选择器选择包括显示血氧饱和度最快变化的皮肤像素或除了表现血氧饱和度最慢变化的皮肤像素之外的所述多个皮肤像素的一组皮肤像素。 处理器基于所选择的皮肤像素组的数据信号来确定对象的血氧饱和度。
    • 3. 发明公开
    • DEVICE AND METHOD FOR EXTRACTING PHYSIOLOGICAL INFORMATION
    • 用于提取生理信息的装置和方法
    • EP2922462A1
    • 2015-09-30
    • EP13799393.7
    • 2013-11-12
    • Koninklijke Philips N.V.
    • BRESCH, ErikVERKRUIJSSE, WillemBARTULA, Marek Janusz
    • A61B5/00A61B5/1455
    • A61B5/14542A61B5/0077A61B5/02416A61B5/1116A61B5/14551A61B5/7225A61B5/7246A61B2560/0223
    • The present invention relates to a device and a method for extracting physiological information from detected electromagnetic radiation (16) emitted or reflected by a subject (12). A data stream (30) derived from detected electromagnetic radiation (16) is received. The data stream (30) comprises a continuous or discrete characteristic signal (86) including physiological information indicative of at least one vital parameter (158), the characteristic signal (86) comprising at least one indicative signal component (88, 90) representative of a detected spectral portion indicative of the at least one vital parameter (158). The data stream (30) at least sectionally comprises at least one auxiliary signal component (92) detected along with the at least one indicative signal component (88, 90), the at least one auxiliary signal component (92) being representative of a distinct spectral portion. A characteristic signal discrepancy (100; 144) between at least one of the at least one indicative signal component (88, 90) and the at least one auxiliary signal component (92) is detected, the signal discrepancy (100; 144) being related to a physiological state of the subject (12). A signal calibration parameter (122; 148) is determined under consideration of the detected signal discrepancy (100; 144). Consequently, the at least one vital parameter (158) can be detected under consideration of the calibration parameter (122; 148).
    • 本发明涉及用于从被检体(12)发射或反射的检测到的电磁辐射(16)中提取生理信息的装置和方法。 从检测到的电磁辐射(16)导出的数据流(30)被接收。 数据流(30)包括连续或离散的特征信号(86),其包括指示至少一个生命参数(158)的生理信息,特征信号(86)包括至少一个指示性信号分量(88,90) 指示所述至少一个生命参数(158)的检测到的频谱部分。 数据流(30)至少分段地包括与至少一个指示信号分量(88,90)一起被检测到的至少一个辅助信号分量(92),至少一个辅助信号分量(92)表示分离的 光谱部分。 检测所述至少一个指示性信号分量(88,90)中的至少一个与所述至少一个辅助信号分量(92)之间的特征信号差异(100; 144),所述信号差异(100; 144)是相关的 (12)的生理状态。 在考虑检测到的信号差异(100; 144)的情况下确定信号校准参数(122; 148)。 因此,可以在考虑校准参数(122; 148)的情况下检测至少一个重要参数(158)。
    • 9. 发明公开
    • DEVICE AND METHOD FOR EXTRACTING INFORMATION FROM CHARACTERISTIC SIGNALS
    • 装置和方法提取特殊信号信息
    • EP2697771A1
    • 2014-02-19
    • EP12715187.6
    • 2012-03-27
    • Koninklijke Philips N.V.
    • DE HAAN, GerardBARTULA, Marek Janusz
    • G06T7/00
    • G06T7/0012G06T7/0016G06T2207/20068G06T2207/30076
    • A device and a method for extracting information from detected characteristic signals are provided. A data stream (26) derivable from electromagnetic radiation (20) emitted or reflected by an object (10) is received. The data stream (26) includes a continuous or discrete characteristic signal (68) including physiological information (30) indicative of desired object motion to be detected and utilized so as to extract at least one at least partially periodic vital signal of interest. A plurality of characteristic index elements (60) can be derived from the data stream (26) through a dimensional reduction (66). The plurality of characteristic index elements (60) includes a directional motion component (70) associated with a disturbance-reduced index element (40) having a determined orientation substantially aligned with a reference motion direction (41) indicative of the desired object motion. Consequently, dimensional reduced data can be utilized for detecting the vital signal of interest.
    • 本发明提供一种装置,和用于提取从检测到的特征信号信息的方法。 的数据流(26)从电磁辐射(20)中导出或由发射反射到物体(10)被接收。 的数据流(26)包括连续的或者离散的特征信号(68)包括生理信息(30),指示期望的对象运动的要被检测和,以便用作以提取所关注的至少一个至少部分周期性的生命信号。 特性指标元件(60)中的多个可从通过降维(​​66)的数据流(26)中导出。 特性指标元件(60)的多元性包括具有确定性开采取向与基准运动方向(41)表示期望的对象运动的基本对准与干扰减少的索引元件(40)相关联的定向运动分量(70)。 因此,尺寸减小的数据可以被用来检测所关心的重要信号。