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1.发明授权公开(公告)号：US08553940B2
公开(公告)日：2013-10-08
申请号：US13500203
申请日：2010-10-01
IPC分类号： G06K9/00
CPC分类号： G06T7/0038 , G06T7/20 , G06T7/38 , G06T2207/30076
摘要： A method of forming a time-varying signal representative of at least variations in a value based on pixel values from a sequence of images, the signal corresponding in length to the sequence of images, the method includes acts of obtaining the sequence of images. A plurality of groups of sub-sets of pixel values are formed by selecting a sub-set of at least one pixel value from each of at least two images defining an interval to form a group of associated sub-sets. For any pair of groups with only sub-sets from the same images, the sub-sets from more than one image are different. Groups of sub-sets are selected to form the signal in accordance with at least one selection criterion. The selected groups of sub-sets cover different intervals, shorter than a length of the sequence.
摘要翻译： 一种基于来自图像序列的像素值形成表示至少值的变化的时变信号的方法，所述信号的长度对应于图像序列，所述方法包括获得图像序列的动作。 通过从限定间隔的至少两个图像中的每一个中选择至少一个像素值的子集来形成多组子像素值，以形成一组相关联的子集。 对于任何一组仅具有相同图像的子集的组，来自多于一个图像的子集是不同的。 选择子组的组以根据至少一个选择标准形成信号。 所选择的子组组覆盖与序列长度不同的间隔。
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2.发明申请FORMATION OF A TIME-VARYING SIGNAL REPRESENTATIVE OF AT LEAST VARIATIONS IN A VALUE BASED ON PIXEL VALUES 有权基于像素值的价值变化中的最小变化形成时变信号代表公开(公告)号：US20120195469A1
公开(公告)日：2012-08-02
申请号：US13500203
申请日：2010-10-01
IPC分类号： G06K9/00
CPC分类号： G06T7/0038 , G06T7/20 , G06T7/38 , G06T2207/30076
摘要： A method of forming a time-varying signal representative of at least variations in a value based on pixel values from a sequence of images, the signal corresponding in length to the sequence of images, includes obtaining the sequence of images. A plurality of groups (21) of sub-sets of pixel values are formed by selecting a sub-set of at least one pixel value from each of at least two images defining an interval to form a group (21) of associated sub-sets. For any pair of groups (21) with only sub-sets from the same images, the sub-sets from more than one image are different. Groups (21) of sub-sets are selected to form the signal in accordance with at least one selection criterion. The selected groups (21) of sub-sets cover different intervals, shorter than a length of the sequence
摘要翻译： 一种基于来自图像序列的像素值形成表示至少值的变化的时变信号的方法，所述信号的长度对应于图像序列，包括获得图像序列。 通过从限定间隔的至少两个图像中的每一个中选择至少一个像素值的子集来形成多个像素值组（21），以形成相关子集的组（21） 。 对于任何一组仅具有相同图像的子集的组（21），来自多于一个图像的子集是不同的。 根据至少一个选择标准选择子组的组（21）以形成信号。 所选择的组（21）的子集覆盖不同于该序列的长度的间隔
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3.发明授权Method and system for obtaining a first signal for analysis to characterize at least one periodic component thereof 有权用于获得用于分析以表征其至少一个周期分量的第一信号的方法和系统公开(公告)号：US08666116B2
公开(公告)日：2014-03-04
申请号：US13500000
申请日：2010-09-29
IPC分类号： G06K9/00
CPC分类号： G06T7/0012 , A61B5/02416 , G06T5/50 , G06T2207/30076
摘要： A method of facilitating obtaining a first signal, for analysis to characterize at least one periodic component, includes obtaining two second signals representative of intensities of electromagnetic radiation. The first signal is at least derivable from an output signal obtainable by applying a transformation to the second signals such that any value of the output signal is based on values from each respective second signal at corresponding points in time. The method further includes obtaining a value of a variable determining influences of components of respective second signals on the output signal when the signals corresponding to the second signals are captured and the transformation is applied, by (i) analyzing the first, second and/or the output signals to select a value of a parameter corresponding to a respective one of the variables; or (ii) calculating values of at least one time-varying factor corresponding to a respective one of the variables.
摘要翻译： 一种便于获得第一信号以便分析以表征至少一个周期性分量的方法包括获得代表电磁辐射强度的两个第二信号。 第一信号至少可从通过对第二信号应用变换而获得的输出信号导出，使得输出信号的任何值基于在相应时间点的每个相应的第二信号的值。 该方法进一步包括：（i）分析第一，第二和/或第二信号时，获取当捕获与第二信号相对应的信号并且进行变换时，确定各个第二信号的分量对输出信号的影响的变量的值; 所述输出信号用于选择对应于所述变量中的相应一个的参数的值; 或（ii）计算与相应的一个变量对应的至少一个时变因子的值。
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4.发明申请METHOD AND SYSTEM FOR OBTAINING A FIRST SIGNAL FOR ANALYSIS TO CHARACTERIZE AT LEAST ONE PERIODIC COMPONENT THEREOF 有权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公开(公告)号：US20120195486A1
公开(公告)日：2012-08-02
申请号：US13500000
申请日：2010-09-29
IPC分类号： G06K9/00
CPC分类号： G06T7/0012 , A61B5/02416 , G06T5/50 , G06T2207/30076
摘要： 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.
摘要翻译： 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; 和（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，每个因子值基于至少一个第二信号值，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。
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公开(公告)号：US08634591B2
公开(公告)日：2014-01-21
申请号：US13389539
申请日：2010-08-09
IPC分类号： G06K9/00
CPC分类号： G06K9/2027 , G06K9/00496 , G06T7/0016 , G06T2207/30076
摘要： 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 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.
摘要翻译： 一种图像分析方法，包括：获得由像素数据表示的图像序列（37; 51）; 对图像的序列（37; 51）中的至少一个进行基于视觉的分析，以获得用于对图像中表示的对象的状态进行分类的数据; - 确定表示的生物的生理参数的至少一个值 在图像的序列（37; 51）中的至少一些中; 以及使用通过基于视觉的分析获得的数据和所述生理参数的所述至少一个值来对所述受试者的状态进行分类。 通过分析从其上进行基于视觉的分析的至少一个图像的图像的相同序列（37; 51）的图像数据的分析来确定生理参数的至少一个值。 一种启用远程光电容积描记术分析的方法包括：从至少一个照相机（3）获得图像的序列（37; 51），每个相机（3）由表示至少有限的波长范围内的反射环境光的像素数据表示; 并且对于至少一个测量区域（41），提供表示测量区域（41）中的至少多个图像点的像素值的组合的至少变化值的变化的信号，以用于确定 至少一个生理参数值。 跟踪在图像序列（37; 51）中表示的被选对象的至少一部分，并且控制照亮所选被摄体的至少一部分的可定向光源（4）。
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公开(公告)号：US20120197137A1
公开(公告)日：2012-08-02
申请号：US13500336
申请日：2010-10-04
CPC分类号： A61B5/0261 , A61B5/02028 , A61B5/02416 , A61B5/1455 , A61B5/7214
摘要： A method of photoplethysmography includes processing a signal (46;56) based on at least one signal (35;50) from at least one sensor (5;18-20;26;63) arranged to capture light from a living subject to extract information on a characteristic of a periodic biological phenomenon. At least one of the signals (35;50) from at least one sensor (5;18-20;26;63) is obtained by using at least one of a light sensor (1;11-13) and a filter (6;17;64) placed before the at least one sensor (5;18-20;26;63) tuned to a peak in an absorption spectrum of water.
摘要翻译： 一种光电容积描记术的方法包括基于来自至少一个传感器（5; 18-20; 26; 63）的至少一个信号（35; 50）来处理信号（46; 56），所述至少一个信号被布置成捕获来自活体的光以提取 关于周期性生物现象特征的信息。 通过使用光传感器（1; 11-13）和滤波器（6）中的至少一个来获得来自至少一个传感器（5; 18-20; 26; 63）的信号（35; 50）中的至少一个 ; 17; 64）放置在所述至少一个传感器（5; 18-20; 26; 63）之前被调谐到水的吸收光谱中的峰值。
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公开(公告)号：US10271746B2
公开(公告)日：2019-04-30
申请号：US13500336
申请日：2010-10-04
IPC分类号： A61B5/00 , A61B5/02 , A61B5/024 , A61B5/026 , A61B5/1455
摘要： A method of photoplethysmography includes processing a signal based on at least one signal from at least one sensor arranged to capture light from a living subject to extract information on a characteristic of a periodic biological phenomenon. At least one of the signals from at least one sensor is obtained via sensing radiation as to a peak in an absorption spectrum of water.
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公开(公告)号：US20120141000A1
公开(公告)日：2012-06-07
申请号：US13389539
申请日：2010-08-09
IPC分类号： G06K9/00
CPC分类号： G06K9/2027 , G06K9/00496 , G06T7/0016 , G06T2207/30076
摘要： 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 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.
摘要翻译： 一种图像分析方法，包括：获得由像素数据表示的图像序列（37; 51）; 对图像的序列（37; 51）中的至少一个进行基于视觉的分析，以获得用于对图像中表示的对象的状态进行分类的数据; - 确定表示的生物的生理参数的至少一个值 在图像的序列（37; 51）中的至少一些中; 以及使用通过基于视觉的分析获得的数据和所述生理参数的所述至少一个值来分类所述对象的状态。 通过分析从其上进行基于视觉的分析的至少一个图像的图像的相同序列（37; 51）的图像数据的分析来确定生理参数的至少一个值。 一种启用远程光电容积描记术分析的方法包括：从至少一个照相机（3）获得图像的序列（37; 51），每个相机（3）由表示至少有限的波长范围内的反射环境光的像素数据表示; 并且对于至少一个测量区域（41），提供表示测量区域（41）中的至少多个图像点的像素值的组合的至少变化值的变化的信号，以用于确定 至少一个生理参数值。 跟踪在图像序列（37; 51）中表示的被选对象的至少一部分，并且控制照亮所选被摄体的至少一部分的可定向光源（4）。
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9.发明申请DEVICE AND METHOD FOR OBTAINING AND PROCESSING MEASUREMENT READINGS OF A LIVING BEING 审中-公开用于获取和处理生活中的测量读物的装置和方法公开(公告)号：US20140139656A1
公开(公告)日：2014-05-22
申请号：US14234454
申请日：2012-07-17
IPC分类号： A61B5/00
CPC分类号： A61B5/0015 , A61B5/0077 , A61B5/021 , A61B5/024 , A61B5/02405 , A61B5/0816 , A61B5/14551 , A61B5/4821 , A61B2560/0223
摘要： The present invention relates to a device (10) for obtaining and processing measurement readings including at least a component representative of a physical phenomenon in a living being (16), comprising a sensor (12) for obtaining measurement readings from at least one body part of a living being (16) from a distance having at least a component representative of the physical phenomenon in the living being (16), an identification unit (26) for identifying the at least one body part of the living being (16); an extraction unit (38) for extracting at least one first signal from the measurement readings representing at least one component representative of the physical phenomenon, an evaluation unit (30) for obtaining adjustment information according to the at least one identified body part, and an adjustment unit (34) for adjusting the at least one first signal according to the adjustment information and for generating at least one output signal representing the physical phenomenon of the living being (16).
摘要翻译： 本发明涉及一种用于获得和处理测量读数的装置（10），该测量读数至少包括表示生物体内的物理现象的部件（16），该装置包括用于从至少一个主体部分获得测量读数的传感器（12） （16），至少具有代表生物体（16）中的身体现象的成分的远处的生物（16）;用于识别生物体的至少一个身体部位的识别单元（16）; 提取单元（38），用于从表示代表物理现象的至少一个组件的测量读数中提取至少一个第一信号;评估单元（30），用于根据至少一个识别的身体部分获得调整信息;以及 调整单元（34），用于根据所述调整信息调整所述至少一个第一信号，并且用于生成表示所述生物物理现象的至少一个输出信号（16）。
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10.发明申请公开(公告)号：US20130289409A1
公开(公告)日：2013-10-31
申请号：US13997482
申请日：2011-12-27
申请人： Vincent Jeanne , Sebastian Maeueler , Caifeng Shan
发明人： Vincent Jeanne , Sebastian Maeueler , Caifeng Shan
IPC分类号： A61B8/08
CPC分类号： A61B8/0858 , A61B5/4872 , A61B5/7239 , A61B8/4254 , A61B8/46 , G06T7/0012
摘要： 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).
摘要翻译： 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）。
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