Sharp Kabushiki Kaisha Corporation

Memory-tech Holdings Inc.

Tdk Corporation

Yoshihisa Adachi

Shigemi Maeda

Atsushi Etoh

Rieko Ogawa

Tetsuya Okumura

Yuki Edo

Hirohisa Yamada

Ryota Tomizawa

Masaki Yamamoto

Hideharu Tajima

Takayuki Naka

Masahito Konishi

Tetsuya Hayashi

Yasuhiro Harada

Takashi Arimoto

Takashi Nunokawa

Daiichiro Nakashima

Hiroyasu Inoue

Takashi Nakano

Masaki Aoshima

Ikuo Nakano

Mitsuo Ishii

Takanobu Sato

Toshimasa Kuchii

Junya Onishi

Hitoshi Nakamura

Kazuyuki Matsuoka

Hinatsu Ohgane

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

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.

Image capturing device, biological information acquisition device, and image capturing method

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

An optical disk () of the present invention includes (i) a medium information region () (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 () (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.

Method for playing back information recording medium

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

The present invention predicts a timing when there may occur a change in the physical condition of a user. A body condition predicting device () includes: a collating section () configured to collate biological data acquired by a biosensor () with a biological data pattern representing drifting over time of the biological data, the biological data pattern being associated with either or both attribute data and environmental data; and a biological data drifting predicting section () configured to predict, based on a result of collation performed by the collating section, the drifting over time of the biological data that occurs after the biosensor () acquires the biological data.

Body condition predicting device, method, and program

Pulse waves of a living body are detected with high accuracy. A pulse wave detection device includes a camera configured to capture an image of the living body a plurality of times through a first green filter and an infrared light filter having light transmission characteristics in a near-infrared light wavelength range within a wavelength range where a light absorption coefficient of oxidized hemoglobin is greater than a light absorption coefficient of reduced hemoglobin, and an image analysis unit configured to analyze a plurality of images of the living body captured by the camera and to detect the pulse waves of the living body. The image analysis unit is configured to detect the pulse waves by detecting a change in intensity of light in the near-infrared light wavelength range indicated by the plurality of images.

Pulse wave detection device, image analysis device, and biometric information generation system

Information recording medium and reproduction device

Signal processing apparatus includes: an input interface configured to receive an output signal Vfrom a sensor; a prediction circuit configured to generate, on the basis of a relationship different depending on each of a plurality of converged values V, a plurality of predicted values Vcorresponding to a value of the output signal that would be obtained at a time Tafter a time T, in a transition response period before a response time period Tr elapses where Tr denotes a response time period required for a value of the output signal Vto become a converged value Vcorresponding to a value P of a parameter representing a certain property of an object to be measured, in accordance with a value Vof the output signal obtained at the time T; and an estimation circuit configured to generate, on the basis of the value Vof the output signal obtained at the time Tand the plurality of predicted values V, an estimated value Pe of a parameter representing the certain property of the object to be measured.

Signal processing apparatus and signal processing method

A signal processing device () includes a prediction circuit () configured to generate Vcorresponding to an output signal to be obtained at Tafter T, in accordance with Vobtained at the time T, in a transition response period before Tr or Td elapses, where Tr denotes a time period during which an output signal Vof a sensor () changes from a converged value Vcorresponding to a parameter Prepresenting a certain property of an object to be measured to a converged value Vcorresponding to P, and Td denotes a time period during which Vchanges from Vto V. The prediction circuit generates the predicted value so that TrE&#x3c;Tr, TdE&#x3c;Td, |1&#x2212;Td/Tr|&#x3e;|1 &#x2212;TdE/TrE| are satisfied, where TrE denotes a time period during which the predicted value becomes a value corresponding to V, and TdE denotes a time period during which the predicted value becomes a value corresponding to V

Signal processing device and signal processing method

A harvesting apparatus for a fruit or vegetable product includes a maturity determination device to determine a maturity level of the fruit or vegetable product; a harvester to harvest the fruit or vegetable product; a power source generator to drive the harvester; and a controller to determine whether or not to supply the power to the harvester based on a determination result on the maturity level provided by the maturity determination device.

Growing community of inventors

Sakai, Japan

Yoshihisa Adachi