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    • 2. 发明申请
    • DEVICE AND METHOD FOR EXTRACTING INFORMATION FROM CHARACTERISTIC SIGNALS
    • 从特征信号提取信息的设备和方法
    • WO2012140531A1
    • 2012-10-18
    • PCT/IB2012/051449
    • 2012-03-27
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.DE HAAN, GerardBARTULA, Marek Janusz
    • DE HAAN, GerardBARTULA, Marek Janusz
    • G06T7/00
    • G06T7/0012G06T7/0016G06T2207/20068G06T2207/30076
    • The present invention relates to a device and a method for extracting information from detected characteristic signals. A data stream (26) derivable from electromagnetic radiation (20) emitted or reflected by an object (10) is received. The data stream (26) comprises 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) comprises 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.
    • 本发明涉及一种从检测到的特征信号中提取信息的装置和方法。 接收由物体(10)发射或反射的电磁辐射(20)可导出的数据流(26)。 数据流(26)包括连续或离散的特征信号(68),其包括指示要检测和利用的所需对象运动的生理信息(30),以便提取至少一个至少部分周期性的感兴趣的信号。 可以通过尺寸减小(66)从数据流(26)导出多个特征索引元素(60)。 多个特征索引元件(60)包括与具有基本上与指示所需物体运动的参考运动方向(41)对齐的确定方向的扰动减小索引元件(40)相关联的定向运动分量(70)。 因此,可以利用尺寸减小的数据来检测感兴趣的生命信号。