Abstract: A possibility of extracting a signal less affected by a variation factor is increased. A data analysis device includes a data extraction unit, that extracts, as extracted data, a plurality of primary characteristic values corresponding to a plurality of extraction conditions which are different from each other and secondary characteristic values corresponding to the plurality of primary characteristic values, for each of a plurality of pieces of input data, a data identification unit that performs predetermined analysis processing on a plurality of pieces of extracted data, and identifies, based on a result of the predetermined analysis processing, analysis target data, and a data output unit that outputs output data generated based on a plurality of pieces of analysis target data.

Abstract: Performance of a biological information acquisition device of a non-contact type is appropriately evaluated. An evaluation system evaluating a first biological information acquisition device of a non-contact type includes a first body movement suppressing unit that suppresses body movement of a first region, a first body movement detecting unit that detects a first body movement amount, which indicates a magnitude of the body movement of the first region, in a non-contact manner, and a second biological information acquisition device different from the first biological information acquisition device. The evaluation system outputs validity information which indicates that an evaluation result of the first biological information acquisition device is valid, in a case where the first body movement amount is equal to or less than a first threshold.

Abstract: Provided is a gesture detecting apparatus that accurately determines a detection result of a hand of an occupant constituting the gesture. A gesture detecting apparatus includes a detection information acquisition unit, a determination unit, and a rejection unit. The detection information acquisition unit acquires the detection result of the hand in the hand gesture of the occupant of a vehicle and information of the hand in an image in which the hand is detected. The hand of the occupant of the vehicle is detected based on the image captured by an imaging device provided in the vehicle. Based on at least one predetermined condition regarding the information of the hand in the image, the determination unit determines whether or not the hand is a real hand. If the hand is not a real hand, the rejection unit rejects the detection result of the hand detected based on the image.

Abstract: There is provided a technique configured to measure blood pressure with high accuracy. A pulse wave is acquired from each of a plurality of regions on a body surface of a subject, at least two regions are selected from among the plurality of regions in accordance with signal quality of the acquired pulse wave of each region, and blood pressure information is calculated with reference to pulse wave propagation information indicating pulse wave propagation between the at least two regions selected.

Abstract: The present invention has an object to manage the manual ingestion (and failure of manual ingestion) of an ingestible object without making the user feel bothered. The present invention includes: a collating unit configured to collate the biological data acquired by a biosensor and the temporal changes of biological data that occur after a medicine is taken and after a medicine is not taken at a medicine-taking timing; and a warning output unit configured to output, on the basis of a result of the collation, information on whether or not a living body has taken the medicine.

Abstract: A measurement apparatus comprises a determining unit and a correcting unit. The determining unit repeats selecting two pieces of waveform data from among three or more pieces of waveform data including attribute values and observation values corresponding to the attribute values and determining a difference between the attribute values in the selected two pieces of waveform data and a correlation in shape between the selected two pieces of waveform data, to determine difference-correlation pairs, each being a pair of the attribute value difference and the correlation. The correcting unit that corrects the attribute value difference, based on the correlation paired with the attribute value difference.

Abstract: A biological information measuring instrument performs high precision biological information measurement on a living body. The biological information measuring instrument includes: a measuring unit and an analysis unit that measure a user in a contactless manner to acquire biological information; and a speech unit that produces an alarm for reducing body movements of the user. The measuring unit and the analysis unit start to acquire biological information at an acquisition starting time. A control unit sets the acquisition starting time so as to fall in a prescribed range of time defined using an alarm starting time for the speech unit as a reference.

Abstract: A blood-pressure measuring device that measures a first blood pressure of a living body on the basis of a pulse wave of the living body, the blood-pressure measuring device includes: a pulse-wave acquiring unit configured to acquire at least one pulse wave; a pulse-wave-parameter calculator configured to calculate at least one pulse wave parameter based on the at least one pulse wave; an attribute-information acquiring unit configured to acquire attribute information that relates to a vascular condition of the living body; and an attribute classifier configured to classify an attribute of the living body, wherein the blood-pressure measuring device is communicably connected to a model storage storing in advance one or more blood-pressure-estimation models, and the blood-pressure measuring device further comprises a first-blood-pressure measuring unit configured to calculate the first blood pressure based on the at least one pulse wave parameter by using the one or more blood-pressure-estimation models.

Abstract: A blood-pressure measuring apparatus includes: a pulse-wave acquiring unit configured to acquire a pulse wave in a predetermined region on a body surface of a living body; a body-movement detector configured to detect a direction of movement of the predetermined region; a body-movement classifier configured to classify the direction of movement; and a pulse-wave-parameter calculator configured to calculate a plurality of pulse wave parameters based on the pulse wave. The blood-pressure measuring apparatus is communicably connected to a model storage. The model storage stores in advance a blood-pressure estimation model for estimating a first blood pressure in response to a resultant classification of the direction of movement. The blood-pressure measuring apparatus further comprises a first-blood-pressure measuring unit configured to calculate, by using the blood-pressure estimation model, the first blood pressure based on the plurality of pulse wave parameters.

Abstract: A coefficient determination device determines, based on captured image data obtained by imaging a subject including one or more types of pigments, coefficients included in a function used to calculate a concentration of one desired pigment in a specific region of the subject. The coefficient determination device includes: a response calculation unit configured to calculate at least one of a first response mode indicating a relationship between a change in a component concentration of a pigment other than the desired one pigment and a change in each of the plurality of types of luminance values; and a second response mode indicating a relationship between a change in a shade intensity and a change in each of the plurality of types of luminance values; and a coefficient calculation unit configured to calculate the plurality of coefficients using at least either one of the first and second response modes.

Abstract: A possibility of extracting a signal less affected by a variation factor is increased. A data analysis device includes a data extraction unit, that extracts, as extracted data, a plurality of primary characteristic values corresponding to a plurality of extraction conditions which are different from each other and secondary characteristic values corresponding to the plurality of primary characteristic values, for each of a plurality of pieces of input data, a data identification unit that performs predetermined analysis processing on a plurality of pieces of extracted data, and identifies, based on a result of the predetermined analysis processing, analysis target data, and a data output unit that outputs output data generated based on a plurality of pieces of analysis target data.

Abstract: An object of the present disclosure is to set a blood-pressure measurement model that suits each living body. A model setting device comprises: a blood-pressure obtaining unit; a pulse-wave obtaining unit that obtains pulse waves in a plurality of areas; a pulse-wave parameter determining unit that determines a plurality of pulse-wave propagation times; a blood-pressure estimation model creating unit that creates a plurality of blood-pressure estimation models; a blood-pressure estimation model evaluating unit that evaluates the blood-pressure estimation models; and a model selecting unit that selects a measurement model from among the plurality of blood-pressure estimation models, based on the evaluation performed by the blood-pressure estimation model evaluating unit.

Abstract: A model setting device configured to set a model based on pulse waves at first and second target parts of a living body, and acquire a plurality of combinations of a blood pressure value and a plurality of images of the living body, the model setting device includes: a region setter configured to perform a process of setting a plurality of first target regions in the first target part and setting a plurality of second target regions in the second target part on the plurality of images; a detector configured to detect pulse waves of the living body; a calculator configured to calculate a pulse wave propagation time between the first and second target regions; an evaluator configured to evaluate an accuracy of a blood pressure prediction by using the first and second target regions; and a determiner configured to determine preferable sizes of the first and second target regions.

Abstract: There is provided a technique configured to measure blood pressure with high accuracy. A pulse wave is acquired from each of a plurality of regions on a body surface of a subject, at least two regions are selected from among the plurality of regions in accordance with signal quality of the acquired pulse wave of each region, and blood pressure information is calculated with reference to pulse wave propagation information indicating pulse wave propagation between the at least two regions selected.

Abstract: Performance of a biological information acquisition device of a non-contact type is appropriately evaluated. An evaluation system evaluating a first biological information acquisition device of a non-contact type includes a first body movement suppressing unit that suppresses body movement of a first region, a first body movement detecting unit that detects a first body movement amount, which indicates a magnitude of the body movement of the first region, in a non-contact manner, and a second biological information acquisition device different from the first biological information acquisition device. The evaluation system outputs validity information which indicates that an evaluation result of the first biological information acquisition device is valid, in a case where the first body movement amount is equal to or less than a first threshold.

Abstract: In an ion concentration sensor, both an improvement of an SN ratio of output and high responsiveness are achieved. In an ion sensor (100), a sensing unit (1) accumulates as electron injected from an n-type substrate (21) via a p-well (22) as a signal charge. The p-well (22) is laminated on the n-type substrate (21). A concentration distribution of impurities exists in the p-well (22) located between the sensing unit (1) and the n-type substrate (21), and a maximum value C1 of an impurity concentration in the p-well (22) is 0<C1?3.0×1014 cm3.

Abstract: The present invention has an object to manage the manual ingestion (and failure of manual ingestion) of an ingestible object without making the user feel bothered. The present invention includes: a collating unit configured to collate the biological data acquired by a biosensor and the temporal changes of biological data that occur after a medicine is taken and after a medicine is not taken at a medicine-taking timing; and a warning output unit configured to output, on the basis of a result of the collation, information on whether or not a living body has taken the medicine.

Abstract: A biological information measuring instrument performs high precision biological information measurement on a living body. The biological information measuring instrument includes: a measuring unit and an analysis unit that measure a user in a contactless manner to acquire biological information; and a speech unit that produces an alarm for reducing body movements of the user. The measuring unit and the analysis unit start to acquire biological information at an acquisition starting time. A control unit sets the acquisition starting time so as to fall in a prescribed range of time defined using an alarm starting time for the speech unit as a reference.

Abstract: An ion sensor includes a sensing section that accumulates signal charges, an ion-sensitive membrane that changes the amount of signal charges which can be accumulated in the sensing section, a vertical transfer section that reads and transfers the signal charges, a reference electrode that defines a reference potential in order to determine a potential of the measurement target, and a voltage control section that changes a reference electrode voltage in association with a drive voltage for operating the ion sensor.