Abstract: An image capturing device includes: an image capturing unit configured to capture a 4K or higher resolution moving image; and a selector switch configured to switch an image capturing mode in which the image capturing unit captures the moving image from a first image capturing mode to a second image capturing mode, the second image capturing mode providing a higher resolution in detecting an amount of change in pulse wave information representing a pulse wave of a living body in the captured moving image than does the first image capturing mode.

Abstract: A measurement device includes a signal acquisition unit that acquires a signal value indicating an intensity of light transmitted through a living body or reflected by the living body, a color information acquisition unit that converts the signal value into color information, a color information determination unit that determines whether the color information satisfies a determination condition, and a signal correction unit that adopts the signal value that is convertible into the color information satisfying the determination condition.

Abstract: An information processing device including: a region of interest specifying unit configured to specify a location of a region of interest regarding an image of each frame of a moving image captured of a living organism; a pixel value calculation unit configured to calculate, in an image of a first frame of the moving image, a plurality of first representative values of pixel values of pixels in locations of a plurality of regions of interest specified regarding images of a plurality of second frames including the image of the first frame; a pixel value combining unit configured to calculate a second representative value regarding the first frame by combining the plurality of first representative values; and a pulse wave calculation unit configured to calculate a pulse wave signal from a temporal change in the second representative value.

Abstract: Disclosed herein is a technique capable of reducing a time required for a process of calculating a pigment concentration in a specific region of a subject based on image data of the subject. A coefficient determination unit determines, based on the image data, an extraction coefficient vector x which is associated with a predetermined imaging device and which is used to calculate a configuration of a desired one pigment in the specific range of the subject. The coefficient determination unit includes a response calculation unit and a coefficient calculation unit. The response calculation unit calculates at least one of an absorption coefficient vector a and a shade vector e. The coefficient calculation unit calculates the extraction coefficient vector x using at least one of the absorption coefficient vector a and the shade vector e.

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: A measurement device includes the following: an imaging unit configured to image a living organism to acquire an image; a determination-index calculating unit configured to calculate, for a region of interest included in the image, a determination index relating to a pixel count of a target pixel having a pixel value equal to or greater than a predetermined lower limit and equal to or smaller than a predetermined upper limit; and a biological-information calculating unit configured to calculate biological information from the pixel value of a pixel included in a region of interest with the determination index being equal to or greater than a threshold.

Abstract: A biological information estimating device includes: a detection unit configured to detect a pulse wave on a living organism; a modifying unit configured to modify a length of a measurement period based on a pulse pace of the living organism; and an estimating unit configured to estimate biological information from the pulse wave detected in the measurement period.

Abstract: A biological information estimating device includes: a detection unit configured to detect a pulse wave on a living organism; a modifying unit configured to determine whether or not the pulse wave contains disturbance and to modify a length of a measurement period based on a result of the determination; and an estimating unit configured to estimate biological information from the pulse wave detected in the measurement period.

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: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.

Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.

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: An image capturing device includes: an image capturing unit configured to capture a 4K or higher resolution moving image; and a selector switch configured to switch an image capturing mode in which the image capturing unit captures the moving image from a first image capturing mode to a second image capturing mode, the second image capturing mode providing a higher resolution in detecting an amount of change in pulse wave information representing a pulse wave of a living body in the captured moving image than does the first image capturing mode.

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.