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    • 1. 发明申请
    • METHOD AND SYSTEM FOR IMAGE ANALYSIS
    • WO2011021128A3
    • 2011-02-24
    • PCT/IB2010/053588
    • 2010-08-09
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.JEANNE, VincentKIRENKO, Ihor OlehovychCENNINI, GiovanniSHAO, Ling
    • JEANNE, VincentKIRENKO, Ihor OlehovychCENNINI, GiovanniSHAO, Ling
    • G06K9/00
    • A method of image analysis, includes: obtaining a sequence (37;51) of images, each represented by pixel data; performing a vision-based analysis on at least one of the sequence (37;51) of images to obtain data for classifying a state of a subject represented in the images; - determining at least one value of a physiological parameter of a living being represented in at least some of the sequence (37;51) of images; and classifying a state of the subject using the data obtained with the vision-based analysis and the at least one value of the physiological parameter. The at least one value of the physiological parameter is determined through analysis of image data from the same sequence (37;51) of images from which the at least one image on which the vision-based analysis is performed is taken. A method of enabling remote photoplethysmographic analysis includes: obtaining a sequence (37;51) of images from at least one camera (3), each represented by pixel data representative of reflected ambient light in at least a limited range of wavelengths; and, for at least one measurement zone (41), providing a signal representative of at least variations in a time-varying value of a combination of pixel values at at least a number of image points in the measurement zone (41) for use in determining at least one value of a physiological parameter. At least part of a selected subject represented in the sequence (37;51) of images is tracked, and a directable light source (4) illuminating at least part of the selected subject is controlled.
    • 3. 发明申请
    • METHOD AND SYSTEM FOR OBTAINING A FIRST SIGNAL FOR ANALYSIS TO CHARACTERIZE AT LEAST ONE PERIODIC COMPONENT THEREOF
    • 用于获取第一信号的方法和系统,用于分析其至少一个周期性组件
    • WO2011042839A1
    • 2011-04-14
    • PCT/IB2010/054396
    • 2010-09-29
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.KIRENKO, Ihor, OlehovychJEANNE, VincentDE HAAN, GerardVAN LEEST, Adriaan, Johan
    • KIRENKO, Ihor, OlehovychJEANNE, VincentDE HAAN, GerardVAN LEEST, Adriaan, Johan
    • G06T5/50
    • G06T7/0012A61B5/02416G06T5/50G06T2207/30076
    • A method of facilitating obtaining a first signal (42;50a-n) for analysis to characterize at least one periodic component thereof, includes obtaining at least two second signals (18-20) representative of intensities of captured electromagnetic radiation, each corresponding to a respective different radiation frequency range. The first signal (42;50a-n) is at least derivable from an output signal (31) obtainable by applying a transformation (22,26,30) to the second signals (18-20;55-57) such that any value of the output signal (31) is based on values from each respective second signal (18-20;55-57) at corresponding points in time. The method further includes obtaining at least one value of at least one variable determining influences of at least components of respective second signals (18-20;55-57) on the output signal (31) when the signals corresponding to the second signals (18-20;55-57) are captured and the transformation (22,26,30) is applied, by at least one of: (i) analyzing at least one of the second signals (18-20;55-57), an output signal (31) obtained by applying the transformation (22,26,30) to the second signals (18-20) and a first signal (42;50a-n) derived from the output signal (31) and using the analysis to select at least one value of at least one parameter (54) corresponding to a respective one of the variables; and (ii) calculating values of at least one time- varying factor corresponding to a respective one of the variables, each factor value based on at least one second signal value, and applying each factor in an operation in at least one of a number of parallel sequences of operations comprising at least one such operation and taking a signal corresponding to a respective one of the second signals (55-57) as input.
    • 一种便于获得用于分析以表征其至少一个周期分量的第一信号(42; 50a-n)的方法,包括获得表示所捕获的电磁辐射的强度的至少两个第二信号(18-20),每个对应于 各自不同的辐射频率范围。 第一信号(42; 50a-n)至少可从通过对第二信号(18-20; 55-57)应用变换(22,26,30)而获得的输出信号(31)导出,使得任何值 输出信号(31)基于来自相应时间点的每个相应第二信号(18-20; 55-57)的值。 该方法还包括当对应于第二信号(18)的信号时,获得至少一个变量的至少一个值,该至少一个变量确定至少各个第二信号(18-20; 55-57)的分量对输出信号(31)的影响 -20; 55-57),并且通过以下至少一个来应用变换(22,26,30):(i)分析第二信号(18-20; 55-57)中的至少一个, 通过对第二信号(18-20)应用变换(22,26,30)而获得的输出信号(31)和从输出信号(31)导出的第一信号(42; 50a-n),并使用分析 选择对应于所述变量中的相应一个的至少一个参数(54)的至少一个值; 以及(ii)基于至少一个第二信号值来计算对应于相应一个变量的至少一个时变因子的值,每个因子值,并且将操作中的每个因子应用于多个 并行操作序列包括至少一个这样的操作,并且将与第二信号(55-57)中的相应一个对应的信号作为输入。
    • 6. 发明申请
    • METHOD OF CONTROLLING A FUNCTION OF A DEVICE AND SYSTEM FOR DETECTING THE PRESENCE OF A LIVING BEING
    • 控制器具功能的方法和检测生活中存在的系统
    • WO2010100593A1
    • 2010-09-10
    • PCT/IB2010/050869
    • 2010-03-01
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.CENNINI, GiovanniJEANNE, Vincent
    • CENNINI, GiovanniJEANNE, Vincent
    • G06K9/00
    • G06K9/00362G06K9/00255G06T7/215G06T2207/20021G06T2207/30076G06T2207/30196G06T2207/30242
    • A method of controlling a function of a device, includes obtaining a sequence (19;34;48) of digital images taken at consecutive points in time. At least one measurement zone (25) including a plurality of image points is selected. For at least one measurement zone (25), a signal (30;41;55) representative of at least variations in a time- varying value of a combination of pixel values at at least a number of the image points is obtained and at least one characteristic of the signal (30;41;55) within at least a range of interest of its spectrum relative to comparison data is determined. The determination comprises at least one of: (i) determining whether the signal (30;41;55) has a spectrum with a local maximum at a frequency matching a comparison frequency to a certain accuracy; and (ii) determining whether at least a certain frequency component of the signal (30;41;55) is in phase with a comparison signal to a certain accuracy. The function is controlled in dependence on whether the determination is positive.
    • 一种控制设备功能的方法,包括获得在连续的时间点拍摄的数字图像的序列(19; 34; 48)。 选择包括多个图像点的至少一个测量区域(25)。 对于至少一个测量区域(25),获得代表在至少多个图像点处的像素值的组合的时变值中的至少变化的信号(30; 41; 55),并且至少 确定在其频谱相对于比较数据的至少感兴趣的范围内的信号(30; 41; 55)的一个特性。 所述确定包括以下中的至少一个:(i)确定所述信号(30; 41; 55)是否具有与比较频率匹配的频率具有一定精度的具有局部最大值的频谱; 以及(ii)确定所述信号(30; 41; 55)的至少一个特定频率分量是否与比较信号同步至一定精度。 该功能根据判定是否为正,进行控制。
    • 9. 发明申请
    • DEVICE AND METHOD FOR DETERMINING ACTUAL TISSUE LAYER BOUNDARIES OF A BODY
    • 用于确定身体的实际组织层边界的装置和方法
    • WO2012093317A1
    • 2012-07-12
    • PCT/IB2011/055959
    • 2011-12-27
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.JEANNE, VincentMÄUELER, SebastianSHAN, Caifeng
    • JEANNE, VincentMÄUELER, SebastianSHAN, Caifeng
    • A61B8/08G06T7/00
    • A61B8/0858A61B5/4872A61B5/7239A61B8/4254A61B8/46G06T7/0012
    • The present invention relates to a device (8) for determining tissue layer boundaries of a body (14), comprising a probe (10) for acquiring (S12) two or more ultrasound images (36) at adjacent positions of a surface (12) of the body (14), a converter (44) for converting (S14) said ultrasound images (36) separately to depth signals (46), wherein a depth signal (46) is obtained by summing intensities of one of said ultrasound images (36) along a line (66) of substantially constant depth in the body (14), a detector (48) for detecting (S16) a set of candidate tissue layer boundaries (50) for an ultrasound image (36) by thresholding the depth signal (46) obtained for said ultrasound image (36), a selection means (52) for selecting (S18) from a set of candidate tissue layer boundaries (50) a nearest candidate tissue layer boundary (54) that is nearest to the surface (12) of the body (14), and a processing means (56) for determining (S20) an actual tissue layer boundary (58) from the nearest candidate tissue layer boundaries (54) obtained for various ultrasound images (36).
    • 本发明涉及一种用于确定身体(14)的组织层边界的装置(8),包括用于获取(S12)在表面(12)的相邻位置处的两个或更多个超声图像(36)的探针(10) (14),用于将所述超声图像(36)分别转换成深度信号(46)的转换器(44),其中通过将所述超声图像之一的强度相加来获得深度信号(46) 36),用于通过阈值深度来检测(S16)用于超声图像(36)的一组候选组织层边界(50)的检测器(48) 用于所述超声图像获得的信号(46);选择装置(52),用于从一组候选组织层边界(50)中选择最接近表面的最近候选组织层边界(54)的(S18) (12),以及处理装置(56),用于从最近的(S20)确定(S20)实际的组织层边界(58) 针对各种超声波图像(36)获得的候选组织层边界(54)。
    • 10. 发明申请
    • SYSTEM AND METHOD FOR CONVERTING AN INPUT SIGNAL INTO AN OUTPUT SIGNAL
    • 将输入信号转换为输出信号的系统和方法
    • WO2012066454A1
    • 2012-05-24
    • PCT/IB2011/055000
    • 2011-11-09
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.JEANNE, VincentVELTHOVEN, Nathalie
    • JEANNE, VincentVELTHOVEN, Nathalie
    • A61B6/00G06K9/00G06T7/20H04N5/14
    • A61B5/7278A61B5/0075A61B5/0077A61B5/0205A61B5/1032A61B5/4857A61B5/7228A61B6/5288A61B2576/00G06K9/00503
    • The present invention relates to a system and a method for processing data obtained from an input signal (24) comprising physiological information (54) representative of at least one at least partially periodic vital signal (18). The physiological information (54) is derivable from visible radiation (20) reflected by an object (16). The system comprises a detector means (28) for detecting at least one vital signature (50) in the input signal (24) and a converter means (30) for creating an output signal (34) by modifying the input signal (24) depending on the detected vital signature (50). The output signal (34) comprises an artificial signature (56) at least partially replacing a respective vital signature (50) of the at least one vital signature (50) of the input signal (24). In one embodiment the system further comprises a sensor means (22) for detecting visible electromagnetic radiation (20) within at least one particular wavelength range.
    • 本发明涉及一种用于处理从包括代表至少一个至少部分周期性生命信号(18)的生理信息(54)的输入信号(24)获得的数据的系统和方法。 生理信息(54)可从由物体(16)反射的可见光(20)导出。 该系统包括用于检测输入信号(24)中的至少一个生命体征(50)的检测器装置(28)和用于通过修改输入信号(24)来产生输出信号(34)来产生输出信号的转换器装置(30) 检测到生命体征(50)。 输出信号(34)包括至少部分地代替输入信号(24)的至少一个生命体征(50)的各个生命体征(50)的人造签名(56)。 在一个实施例中,系统还包括用于在至少一个特定波长范围内检测可见电磁辐射(20)的传感器装置(22)。