Ricoh Company, Ltd.

Tokyo Medical and Dental University

Tokyo Metropolitan University

Institute of Science Tokyo

Taishi Watanabe

Shigenori Kawabata

Yuki Miyano

Shinji Sato

Toru Sasaki

Akira Kinoshita

Yoshinori Okada

Hiroshi Deguchi

Jun Hashimoto

Kensuke Sekihara

Yoshihisa Naijo

Sukchan Kim

Masahiro Takada

Yoichiro Takahashi

Koki Ishida

Yuki Mitani

Nobuyori Nagaoka

A biometric information display apparatus () for displaying a measurement result obtained by measuring a biometric signal, includes a maximum value calculation unit () configured to calculate a maximum value of the measurement result in a certain period of time for at least one of blocks into which a measurement area, in which the biometric signal is measured, is divided, a determination unit () configured to determine whether a measurement value in the at least one of blocks is greater than or equal to a threshold value obtained by multiplying the maximum value by a fractional value, the fractional value being determined in advance, and a display control unit configured to display, in response to an occurrence of an event in which the measurement value is determined to be greater than or equal to the threshold value, the measurement result in such a manner as to indicate the occurrence of the event.

Biometric information display apparatus, method, and program

A biomagnetic field measurement processing apparatus includes circuitry; and a memory storing computer-executable instructions that cause the circuitry to execute reconfiguring a current signal from a biomagnetic field signal; extracting a current component from the current signal; and based on the extracted current component, adding to each other at least two current waveforms among current waveforms of a plurality of inward currents that are current components directed toward a nerve axon from around the nerve axon, or adding to each other at least two current waveforms among current waveforms of a plurality of inward currents that are current components directed toward a muscle fiber from around the muscle fiber, and generating a current waveform to be displayed on a display device, according to the at least two current waveforms added to each other.

Biomagnetic field measurement processing apparatus, biomagnetic field measurement system, and control method of biomagnetic field measurement processing apparatus

An image processing apparatus includes a processor programmed to obtain a first radiation image of a subject captured from a first direction, obtain a second radiation image of the subject captured from a second direction that intersects the first direction, and either correct one of the first radiation image and the second radiation image based on positional information of a device for capturing the one of the first radiation image and the second radiation image, or correct another one of the first radiation image and the second radiation image based on information on a position of a specific region of the subject obtained from the one of the first radiation image and the second radiation image.

Image processing apparatus, imaging system, image processing method, and storage medium

A signal processing apparatus includes a memory, and a processor coupled to the memory and configured to perform a process including obtaining measurement data including a signal of interest and an interference signal generated in proximity to a signal source of the signal of interest, estimating a signal source in an extraction target area including the signal source of the signal of interest and a signal source of the interference signal based on the measurement data, selecting the signal source of the interference signal based on a result of the estimating a signal source and extracting interference signal data generated from the selected signal source of the interference signal, and extracting the signal of interest by removing a common part between the measurement data and the interference signal data.

Signal processing apparatus and signal processing method

A nerve stimulating apparatus includes a plurality of stimulating units configured to respectively apply stimuli to a plurality of nerve regions branching from a particular nerve region of a living body, and a stimulation timing controller configured to set generating timings of respectively generating the stimuli at the plurality of stimulating units. The stimulation timing controller sets the generating timings of generating the stimuli at the plurality of stimulating units based on response results of the particular nerve region, the response results being obtained in response to the stimuli that are respectively generated at the plurality of stimulating units and that are respectively applied to the plurality of nerve regions, and the response results being measured by a biometric information measuring apparatus that measures biometric information.

Nerve stimulating apparatus, biometric information measuring system, and method of setting stimulus generating timings of biometric information measuring system

An information acquisition method includes: executing a voxel defining process to divide an area in which a signal source is assumed to be present and define a voxel division Vspecifying resolution of an image; executing a data collecting process to acquire magnetic field data resulting from measurement of a magnetic field generated in the area; and executing a reconstructing process to estimate, by using a mathematical algorithm, a direction and strength of a current of a signal source at a location of each voxel based on the acquired magnetic field data. The reconstructing process includes: calculating a Gram matrix by using a voxel division Vdefined coarser than the voxel division Vand reconstructing, by using the Gram matrix, a direction and strength of a current of a signal source in the voxel division V

Information acquisition method, information acquisition apparatus, and recording medium

A biometric information display device includes a display controller configured to display a morphological image indicative of a morphology of a subject, on a display, an input controller configured to receive a designation of a specified position on the morphological image, a pathway generating section configured to generate a pathway based on the specified position on the morphological image, and a current extracting section configured to extract current components at a plurality of positions along the pathway, based on current information reconstructed based on magnetic field measurement data generated by the subject. The display controller displays the current components extracted along the pathway on the display.

Biometric information display device, biometric information display method, and computer-readable recording medium, extracting current components at positions along a neural pathway based on current information reconstructed based on magnetic field measurement data generated by subject

A biomagnetic measurement apparatus includes a table on which a subject is placed; a biomagnetic detector configured to detect a biomagnetic field of the subject; a supporter configured to support a detection target region from which the biomagnetic field of the subject is detected; a radiation detector provided below the supporter; and a position changer configured to change relative positions of the biomagnetic detector and the detection target region. The supporter has a surface shape that corresponds to a surface of the biomagnetic detector.

Biomagnetic measurement apparatus, biological information measurement apparatus, and biomagnetic measurement method

A biological information measuring apparatus includes a biomagnetism detector configured to detect biomagnetism of a subject, the biomagnetism detector including a temperature adjustment mechanism; and a radiation detector configured to acquire emitted radiation as digital image data. The radiation detector is disposed between a measurement region of the subject and the biomagnetism detector.

Biological information measuring apparatus

A biomagnetic measurement method, a biomagnetic measuring device, and a biomagnetic measuring system. The method and the biomagnetic measuring device includes obtaining first measurement data output from a magnetic field detector upon giving a stimulus to a subject in a first state where a site of interest of the subject is made close to the magnetic field detector, and obtaining second measurement data output from the magnetic field detector upon giving a stimulus to the subject in a second state where a site to which the stimulus is given and a position of the site to which the stimulus is given are equivalent to a site to which the stimulus is given and a position of the site to which the stimulus is given in the first state, respectively, and the site of interest of the subject is separated from the magnetic field detector with reference to the first state.

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Tokyo, Japan

Taishi Watanabe