Abstract: The present disclosure relates to a vital sign extraction method and system. The system comprises a receiving module for receiving at least one type of physiological information; a feature extraction module configured to extract a first feature and a second feature of the physiological information by using a first technique and a second technique; a processing module for performing a matching calculation on the first feature and the second feature, marking matching results, and identifying a noise result of the physiological information based on the matching results; and a calculation module for calculating a physiological sign of a living body.

Abstract: The present disclosure relates to a device, method and system (100) for calculating, estimating, or monitoring the physiological parameters of a subject. At least one processor, when executing instructions, may perform one or more of the following operations: receiving a first signal representing a pulse wave relating to heart activity of a subject, receiving a plurality of second signals representing time-varying information on the pulse wave, determining a blood oxygen level of the subject based on the plurality of second signals, identifying a first feature in the first signal, identifying a second feature in one of the plurality of second signals, computing a pulse transit time based on a difference between the first feature and the second feature, calculating a blood pressure of the subject based on the pulse transit time.

Abstract: The present invention provides a signal obtaining method and system, which includes functions of signal collection, analysis, calculation and output. The system can be configured to obtain vital signs by: collecting two or more physiological signals, calculating relation information between the two or more physiological signals, obtaining the vital signs by calculation based on the relation information, and output the obtained vital signs.

Abstract: The present disclosure relates to systems and methods for analyzing physiological sign information, including information acquisition, data storage, calculation or analysis, processing, result output, etc. The systems may perform a calculation or an analysis on the acquired information by a plurality of algorithms, perform a determination or a processing on the calculation result, and output the determination result of the processed physiological information.

Abstract: The present disclosure relates to a vital sign extraction method and system. The system comprises a receiving module for receiving at least one type of physiological information; a feature extraction module configured to extract a first feature and a second feature of the physiological information by using a first technique and a second technique; a processing module for performing a matching calculation on the first feature and the second feature, marking matching results, and identifying a noise result of the physiological information based on the matching results; and a calculation module for calculating a physiological sign of a living body.

Abstract: A device (110), method and system (100) for calculating, estimating, or monitoring the blood pressure of a subject. At least one processor, when executing instructions, may perform one or more of the following operations. A first signal representing heart activity of the subject may be received. A second signal representing time-varying information on at least one pulse wave of the subject may be received. A first feature in the first signal may be identified. A second feature in the second signal may be identified. A pulse transit time based on a difference between the first feature and the second feature may be computed. The blood pressure of the subject may be calculated according to a first model based on the computed pulse transit time and a first set of calibration values, the first set of calibration values relating to the subject.

Abstract: A device (110), method and system (100) for calculating, estimating, or monitoring the blood pressure of a subject are disclosed. A first signal representing heart activity of a subject may be received. A plurality of second signals representing time-varying information on at least one pulse wave of the subject may be received from a plurality of body locations of the subject. A first feature of the first signal may be identified. For each of the plurality of second signals, a second feature may be identified. A pulse transit time based on a difference of the first feature and at least one of the second features may be computed. A blood pressure of the subject may be calculated according to a model based on the computed pulse transit time. The model may include a compensation term relating to the plurality of second signals or the second features thereof.

Abstract: The present disclosure relates to a device, method and system for estimating or monitoring the health condition of a subject. At least one processor, when executing instructions, may perform one or more of the following operations. At least one physiological signal or information including a physiological signal of a subject may be received. At least one physiological parameter of interest may be generated based on the physiological signal. The physiological parameter of interest may be analyzed according to an analysis model. A physiological result may be generated. A recommendation may be provided based on the physiological analysis result.