Sharp Kabushiki Kaisha Corporation

Yuki Edo

Yoshihisa Adachi

Rieko Ogawa

Ryota Tomizawa

Tetsuya Okumura

Takashi Nunokawa

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.

Coefficient determination device, pigment concentration calculation device, coefficient determination method, and information processing program

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.

Coefficient determination device, pigment concentration calculation device, coefficient determination method, and non-transitory computer-readable storage medium

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.

Data analysis device

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.

Evaluation system evaluation device, and biological information acquisition device

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.

Blood pressure measurement device and blood pressure measurement method

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.

Body condition managing device and body condition managing method

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.

Biological information measuring instrument, and method, device, and computer-readable storage medium containing a program for controlling the instrument

Growing community of inventors

Sakai, Japan

Yuki Edo