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1.发明授权Methods and systems for determining signal-to-noise information from a physiological signal 有权用于从生理信号确定信噪比信息的方法和系统公开(公告)号：US09339235B2
公开(公告)日：2016-05-17
申请号：US13609348
申请日：2012-09-11
IPC分类号： G06F7/00 , A61B5/00 , A61B5/024 , A61B5/1455
CPC分类号： A61B5/7203 , A61B5/02416 , A61B5/14551 , A61B5/725
摘要： A physiological monitoring system may determine physiological information, such as physiological rate information, and other information, such as signal-to-noise information, from a physiological signal. The system may generate at least one difference signal based on the physiological signal and sort the at least one difference signal to generate at least one sorted difference signal. The system may analyze the at least one sorted difference signal to determine at least two values indicative of noise. The system may determine a value indicative of a signal-to-noise ratio based on the two or more values indicative of noise.
摘要翻译： 生理监视系统可以根据生理信号确定生理信息，例如生理速率信息和其他信息，例如信噪比信息。 系统可以基于生理信号产生至少一个差分信号，并且对至少一个差分信号进行排序以产生至少一个经分类的差分信号。 该系统可以分析至少一个经分类的差分信号以确定指示噪声的至少两个值。 系统可以基于指示噪声的两个或更多个值来确定指示信噪比的值。
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2.发明授权Methods and systems for qualifying a calculated value based on baseline and deviation information 有权基于基线和偏差信息对计算值进行排序的方法和系统公开(公告)号：US09192310B2
公开(公告)日：2015-11-24
申请号：US13609500
申请日：2012-09-11
IPC分类号： G06F19/22 , A61B5/024 , A61B5/00 , A61B5/1455
CPC分类号： A61B5/02416 , A61B5/14551 , A61B5/7203 , A61B5/7264
摘要： A physiological monitoring system may determine physiological information, such as physiological rate information, from a physiological signal. The system may receive a calculated value indicative of a period associated with a physiological rate. The system may determine a first value indicative of a baseline of the physiological signal and a second value indicative of a deviation of the physiological signal from the baseline. The first value may, for example, be a median value, an average, or a coefficient corresponding to a best fit curve of the physiological signal. The second value may be a standard deviation value, a standard error, or a root mean square value based on the physiological signal. The system may qualify or disqualify the calculated value based on the first and second values.
摘要翻译： 生理监测系统可以从生理信号确定生理信息，例如生理速率信息。 系统可以接收指示与生理速率相关联的周期的计算值。 系统可以确定指示生理信号的基线的第一值和指示生理信号与基线的偏差的第二值。 第一值例如可以是对应于生理信号的最佳拟合曲线的中值，平均值或系数。 第二值可以是基于生理信号的标准偏差值，标准误差或均方根值。 系统可以基于第一和第二值限定或取消计算的值的资格。
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3.发明授权公开(公告)号：US09186076B2
公开(公告)日：2015-11-17
申请号：US13609468
申请日：2012-09-11
CPC分类号： A61B5/02416 , A61B5/0816 , A61B5/7203 , A61B5/7207 , A61B5/7246 , A61B5/725
摘要： A physiological monitoring system may determine physiological information, such as physiological rate information, from a physiological signal. The system may determine a skew metric based on the physiological signal. The system may also determine a correlation lag value corresponding to a peak in a correlation sequence derived from the physiological signal. The system may qualify or disqualify the correlation lag value based on the skew metric. The system may, for example, compare the skew metric and the correlation lag value to a reference set of skew metric values and correlation lag values to determine whether to qualify or disqualify the correlation lag value.
摘要翻译： 生理监测系统可以从生理信号确定生理信息，例如生理速率信息。 系统可以基于生理信号来确定偏斜度量。 系统还可以确定对应于从生理信号导出的相关序列中的峰值的相关滞后值。 系统可以基于偏差度量来限定或取消相关滞后值的资格。 该系统可以例如将偏斜量度和相关滞后值与偏差度量值和相关滞后值的参考集进行比较，以确定是否限定相关滞后值的资格或取消资格。
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4.发明授权Methods and systems for determining an algorithm setting based on a difference signal 有权基于差分信号确定算法设置的方法和系统公开(公告)号：US09155478B2
公开(公告)日：2015-10-13
申请号：US13609523
申请日：2012-09-11
IPC分类号： G06F19/28 , A61B5/024 , A61B5/00 , A61B5/1455
CPC分类号： A61B5/02416 , A61B5/14551 , A61B5/7203 , A61B5/7235 , A61B5/7246 , A61B5/7264
摘要： A physiological monitoring system may determine physiological information, such as physiological rate information, from a physiological signal. The system may generate a difference signal based on the physiological signal and sort the difference signal to generate a sorted difference signal. The system may identify a midpoint of a first segment of the difference signal and a midpoint of a second segment of the difference signal. The first segment may correspond to positive values of the difference signal and the second segment may correspond to negative values of the difference signal. The system may determine an algorithm setting based on the first midpoint and the second midpoint. The algorithm setting may, for example, affect the amount of filtering applied to the physiological signal.
摘要翻译： 生理监测系统可以从生理信号确定生理信息，例如生理速率信息。 系统可以基于生理信号生成差分信号，并对差分信号进行排序以产生分类差分信号。 系统可以识别差信号的第一段的中点和差信号的第二段的中点。 第一段可对应于差信号的正值，第二段可对应于差信号的负值。 系统可以基于第一中点和第二中点来确定算法设置。 算法设置可以例如影响施加到生理信号的滤波量。
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5.发明申请METHODS AND SYSTEMS FOR DETERMINING WHEN TO OUTPUT PREVIOUSLY CALCULATED VALUES 审中-公开用于在输出先前计算值时确定的方法和系统公开(公告)号：US20140073959A1
公开(公告)日：2014-03-13
申请号：US13609521
申请日：2012-09-11
CPC分类号： A61B5/14551 , A61B5/7221 , A61B5/7239 , A61B5/7246
摘要： A physiological monitoring system may determine physiological information, such as physiological rate information, from a physiological signal. The system may filter the physiological signal based on an adjustable filter to generate a filtered physiological signal. The system may perform calculations over time based on the filtered physiological signal to determine values indicative of a physiological parameter. The adjustable filter may be adjusted based on the values indicative of the physiological parameter. Some of the calculations are qualified and some of the calculations are disqualified. The system may determine a metric based on the physiological signal that is used to determine whether to output a value based on one or more previously calculated values when a current calculation is disqualified. The system may output a value based on one or more previously calculated values when a current calculation is disqualified and when a criterion based on the metric is satisfied.
摘要翻译： 生理监测系统可以从生理信号确定生理信息，例如生理速率信息。 该系统可以基于可调滤波器对生理信号进行滤波，以生成滤波后的生理信号。 系统可以基于经过滤的生理信号来执行随时间的计算，以确定指示生理参数的值。 可调节的过滤器可以基于指示生理参数的值来调整。 一些计算是合格的，一些计算被取消资格。 当当前计算被取消资格时，该系统可以基于生理信号来确定用于确定是否基于一个或多个先前计算的值输出值的生理信号。 当当前计算被取消资格并且当满足基于度量的准则时，系统可以基于一个或多个先前计算的值输出值。
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6.发明申请METHODS AND SYSTEMS FOR QUALIFYING CALCULATED VALUES BASED ON A SUM OF DIFFERENCES 审中-公开基于差异的质量评估计算值的方法和系统公开(公告)号：US20140073957A1
公开(公告)日：2014-03-13
申请号：US13609475
申请日：2012-09-11
CPC分类号： A61B5/7214 , A61B5/02416 , A61B5/14551 , A61B5/7221
摘要： A physiological monitoring system may determine physiological information, such as physiological rate information, from a physiological signal. The system may receive a calculated value indicative of a physiological rate. The system may determine difference values between a first collection of values of the physiological signal and another collection of corresponding value of the physiological signal spaced from the first collection based on the calculated value. The system may sum the difference values, and qualify or disqualify the calculated value based on the sum. The difference values may have positive and negative values, or the system may calculate an absolute value of each difference value prior to summing. The sum may be compared to a threshold to determine whether to qualify or disqualify the calculated value.
摘要翻译： 生理监测系统可以从生理信号确定生理信息，例如生理速率信息。 系统可以接收指示生理速率的计算值。 系统可以基于计算的值来确定生理信号的值的第一集合和与第一集合间隔开的生理信号的对应值的另一集合之间的差值。 系统可以对差值进行合计，并根据总和对合格或不合格的计算值进行限定。 差值可以具有正值和负值，或者系统可以在求和之前计算每个差值的绝对值。 可以将总和与阈值进行比较，以确定是否符合资格或取消计算的资格。
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7.发明申请METHODS AND SYSTEMS FOR DETERMINING NOISE INFORMATION FROM A PHYSIOLOGICAL SIGNAL 审中-公开用于从生理信号中确定噪声信息的方法和系统公开(公告)号：US20140073947A1
公开(公告)日：2014-03-13
申请号：US13609605
申请日：2012-09-11
IPC分类号： A61B6/00
CPC分类号： A61B5/7246 , A61B5/14551 , A61B5/7203 , A61B5/7221 , A61B5/7239
摘要： A physiological monitoring system may determine physiological information, such as physiological rate information, and other information, such as noise information, from a physiological signal. The system may generate a difference signal based on the physiological signal and sort the difference signal to generate a sorted difference signal. The system may identify one or more data points of the sorted difference signal as being associated with noise. For example, one or more end data points may be identified as being associated with noise based on a threshold. The system may determine a value indicative of noise based on the identified data points.
摘要翻译： 生理监视系统可以根据生理信号确定诸如生理速率信息的生理信息和诸如噪声信息的其他信息。 系统可以基于生理信号生成差分信号，并对差分信号进行排序以产生分类差分信号。 该系统可以将经分类的差分信号的一个或多个数据点识别为与噪声相关联。 例如，一个或多个端点数据点可以被识别为基于阈值与噪声相关联。 系统可以基于所识别的数据点来确定指示噪声的值。
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8.发明申请公开(公告)号：US20140073940A1
公开(公告)日：2014-03-13
申请号：US13609455
申请日：2012-09-11
IPC分类号： A61B6/00
CPC分类号： A61B5/02416 , A61B5/0816 , A61B6/5217 , A61B8/5223 , G06F19/00
摘要： A physiological monitoring system may determine physiological information, such as physiological rate information, from a physiological signal. The system may select two segments of the physiological signal, shifted in time relative to one another by a lag value, and determine a correlation value between the two segments. The system may determine a metric based on the segments, and determine correlation information based on the correlation value and the metric. The metric may be indicative of how well the segments are correlated, providing additional information relative to the correlation value. Based on the metric, the system may modify the correlation value, determine a confidence value, or determine other information. The system may determine physiological rate information based on the correlation information.
摘要翻译： 生理监测系统可以从生理信号确定生理信息，例如生理速率信息。 该系统可以选择生理信号的两段，在时间上相对于滞后值移位，并确定两段之间的相关值。 系统可以基于段来确定度量，并且基于相关值和度量来确定相关性信息。 度量可以指示段相关性如何，提供相对于相关值的附加信息。 基于该度量，系统可以修改相关值，确定置信度值或确定其他信息。 系统可以基于相关信息来确定生理速率信息。
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9.发明申请METHODS AND SYSTEMS FOR DETERMINING PHYSIOLOGICAL INFORMATION BASED ON A PEAK OF A CROSS-CORRELATION 审中-公开基于交叉关系的峰值确定生理信息的方法和系统公开(公告)号：US20140073870A1
公开(公告)日：2014-03-13
申请号：US13609518
申请日：2012-09-11
IPC分类号： A61B5/00
CPC分类号： A61B5/7246 , A61B5/02416 , A61B5/14551 , A61B5/7203 , A61B5/7235
摘要： A physiological monitoring system may process a physiological signal such a photoplethysmograph signal from a subject. The system may determine physiological information, such as a physiological rate, from the physiological signal. The system may use search techniques and qualification techniques to determine one or more initialization parameters. The initialization parameters may be used to calculate and qualify a physiological rate. The system may use signal conditioning to reduce noise in the physiological signal and to improve the determination of physiological information. The system may use qualification techniques to confirm determined physiological parameters. The system may also use autocorrelation techniques, cross-correlation techniques, fast start techniques, and/or reference waveforms when processing the physiological signal.
摘要翻译： 生理监测系统可以处理来自受试者的生理信号，例如光体积描记信号。 系统可以从生理信号确定生理信息，例如生理速率。 系统可以使用搜索技术和鉴定技术来确定一个或多个初始化参数。 初始化参数可用于计算和鉴定生理速率。 该系统可以使用信号调节来减少生理信号中的噪声并改善生理信息的确定。 该系统可以使用鉴定技术来确认确定的生理参数。 当处理生理信号时，系统还可以使用自相关技术，互相关技术，快速启动技术和/或参考波形。
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10.发明申请METHODS AND SYSTEMS FOR DETERMINING PHYSIOLOGICAL INFORMATION USING STATUS INDICATORS 审中-公开使用状态指示剂确定生理信息的方法和系统公开(公告)号：US20140073869A1
公开(公告)日：2014-03-13
申请号：US13609517
申请日：2012-09-11
CPC分类号： A61B5/7246 , A61B5/0205 , A61B5/02416 , A61B5/14551 , A61B5/725 , A61B5/7264
摘要： A physiological monitoring system may determine physiological information, such as physiological rate information, from a physiological signal. The system may generate a window of physiological data, and determine the physiological information based on the window of data. The system may use status indicators to determine when the window of data is to be updated with new data. The status indicator may include, for example, a gain change indicator, indicating a change in gain in an amplifier. Based on the status indicator, the system may, for example, set a period of time during which current physiological data is not added to the window of data. The system may smooth the transition of the physiological data before and after the period of time.
摘要翻译： 生理监测系统可以从生理信号确定生理信息，例如生理速率信息。 系统可以生成生理数据窗口，并根据数据窗口确定生理信息。 系统可以使用状态指示器来确定何时用新数据更新数据窗口。 状态指示器可以包括例如增益改变指示符，指示放大器中增益的变化。 基于状态指示器，系统可以例如设置当前生理数据未被添加到数据窗口的时间段。 该系统可以在一段时间之前和之后平滑生理数据的转换。
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