Abstract:
An apparatus for providing corrected bio-information by using a bio-information sensor includes a communicator configured to receive bio-information from the bio-information sensor; a processor configured to extract metabolic information based on food intake information of a user and correct the received bio-information based on the extracted metabolic information; and an outputter configured to provide a result of correcting the bio-information.
Abstract:
A method of extracting a glucose feature, a method for monitoring glucose using near-infrared (NIR) spectroscopy and a glucose monitoring device are provided. The method comprising: removing noise from a near-infrared (NIR) data; extracting a glucose signal from the NIR data; and removing temporal drift components from the extracted glucose signal.
Abstract:
A personalized bio-information correcting apparatus includes a communication interface configured to acquire original bio-information value data, in particular blood glucose data, of a user, or a bio-sensor configured to measure a first bio-information value of a user, and a processor, wherein, if the personalized bio-information correcting apparatus comprises the communication interface, the processor is configured to perform a first method comprising obtaining a personalized bio-information guideline, based on a personalized physiological model, in particular a mathematical model, identifying whether at least one value among the acquired original bio-information value data is an outlier, based on the obtained personalized bio-information guideline, and based on the at least one value among the acquired original bio-information value data being identified to be the outlier, obtaining final bio-information value data by correcting the at least one value among the acquired original bio-information value data, or wherein, if the personalized bio-information correcting apparatus comprises bio-sensor, the processor is configured to perform a second method comprising obtaining a personalized bio-information guideline, based on a personalized physiological model, in particular a mathematical model, identifying whether the measured first bio-information value is an outlier, based on the obtained personalized bio-information guideline, and based on the measured first bio-information value being identified to be the outlier, correcting the measured bio-information value.
Abstract:
Provided is a healthcare apparatus including a pulse wave sensor including a light source configured to emit light toward a user and a detector configured to detect light reflected or scattered from the user, the pulse wave sensor being configured to measure a pulse wave signal based on the detected light, and a processor configured to obtain an optical path length change of blood of the user based on the pulse wave signal, and to predict whether the user has a health problem based on the obtained optical path length change.
Abstract:
A method of estimating concentration of a blood compound may include: removing a baseline drift from Near-Infrared (NIR) spectroscopy data to obtain drift-free spectral features; obtaining a set of global features based on the drift-free spectral features; and estimating the concentration of the blood compound by regression using the set of global features.
Abstract:
Provided is an apparatus for estimating bio-information in a non-invasive manner. According to an exemplary embodiment, the bio-information estimation apparatus includes: a spectrum measurer configured to measure a spectrum of light reflected from an object; a temperature measurer configured to measure the temperature of the object while the spectrum measurer measures the spectrum of light reflected from the object; and a processor configured to calculate a spectrum correction factor, including one or more of a correction factor of a gain, a constant, and a slope, based on the measured temperature of the object, and to adjust the measured spectrum by using the calculated correction factor.
Abstract:
An apparatus and method for monitoring a stability of a spectrum are provided. The apparatus for monitoring stability of a spectrum includes a spectroscope configured to measure a spectrum of a sample and a processor configured to calculate a similarity change index of the measured spectrum and to determine the stability of the measured spectrum by analyzing the calculated similarity change index.
Abstract:
An apparatus for estimating a biological substance in a user using a unit spectrum for the biological substance acquired using a biological tissue simulation solution is provided. The apparatus may include a spectrometer configured to emit a light to a skin of a user, detect the light returned from the skin, and measure a skin spectrum of the user from the detected light and a processor configured to estimate a biological substance in the user based on the measured skin spectrum and a unit spectrum acquired using a biological tissue simulation solution.