公开(公告)号：US10743783B2

公开(公告)日：2020-08-18

申请号：US15978403

申请日：2018-05-14

Applicant: FUJITSU LIMITED

Inventor： Tatsuya Mori ,  Daisuke Uchida ,  Kazuho Maeda ,  Akihiro Inomata

IPC: A61B5/024 ,  A61B5/00 ,  G06K9/00 ,  G06T7/00 ,  A61B5/046

Abstract: A pulse wave analysis apparatus including a memory, and a processor coupled to the memory and the processor configured to execute a process, the process including extracting, from each of a plurality of captured images of a subject, a plurality of image areas corresponding to each of a plurality of parts of the subject respectively, generating pieces of waveform data corresponding to the plurality of parts based on an image analysis for the plurality of image areas, each of the pieces of waveform data indicating a pulse wave of the subject, calculating a first matching degree between the pieces of waveform data, and determining whether a noise is included in the pieces of waveform data based on the first matching degree.

公开(公告)号：US20180254105A1

公开(公告)日：2018-09-06

申请号：US15967991

申请日：2018-05-01

Applicant: FUJITSU LIMITED

Inventor： Tatsuya MORI ,  Daisuke Uchida ,  Kazuho Maeda ,  Akihiro Inomata

IPC: G16H50/30 ,  G06F17/50 ,  G06F17/16

CPC classification number: G16H50/30 ,  G06F17/16 ,  G06F17/5009 ,  G06F2217/16 ,  G06Q50/22

Abstract: An information processing apparatus includes a memory, and a processor coupled to the memory and configured to obtain time series data indicating a time-dependent change of a biological signal value after a meal, determine, based on the obtained time series data, a first feature amount of the time-dependent change of the biological signal value after the meal, determine, based on the determined first feature amount, an index value related to the meal, and output the determined index value.

公开(公告)号：US09986922B2

公开(公告)日：2018-06-05

申请号：US14638570

申请日：2015-03-04

Applicant: FUJITSU LIMITED

Inventor： Daisuke Uchida ,  Masato Sakata ,  Hidenori Sekiguchi ,  Akihiro Inomata

IPC: A61B5/024 ,  A61B5/00

CPC classification number: A61B5/02416 ,  A61B5/0059 ,  A61B5/024 ,  A61B5/7203 ,  A61B5/7257 ,  A61B5/7275 ,  A61B2576/00

Abstract: A pulse wave detection method includes obtaining an image obtained by photographing a subject with an imaging device, extracting intensities representative of signal components of a specific frequency band for respective wavelength components among signals of a plurality of wavelength components included in the image, calculating, using the intensities extracted for the respective wavelength components, a weight coefficient by which a signal is multiplied when the signals are calculated between the wavelength components to minimize an arithmetic value of the signal components in the specific frequency band after multiplication, multiplying at least one of the signals of the respective wavelength components by the weight coefficient, performing arithmetic operation on the signals between the wavelength components after multiplication by the weight coefficient, and detecting pulse waves of the subject using a signal after the arithmetic operation.

公开(公告)号：US12051246B2

公开(公告)日：2024-07-30

申请号：US17978980

申请日：2022-11-02

Applicant: Fujitsu Limited

Inventor： Sho Iwasaki ,  Daisuke Uchida ,  Genta Suzuki

IPC: G06V10/74 ,  G06T7/50 ,  G06T17/00 ,  G06V20/52 ,  G06V40/20

CPC classification number: G06V20/52 ,  G06T7/50 ,  G06T17/00 ,  G06V10/761 ,  G06V40/20 ,  G06T2207/10028 ,  G06T2207/20044

Abstract: A non-transitory computer-readable recording medium has stored therein a setting program that causes a computer to execute a process, the process including acquiring a video from a camera, identifying a depth indicating a distance from the camera to each of constituent elements of the video acquired from the camera, generating a three-dimensional in-store model, generating skeleton information on a person who moves inside the store from the video acquired from the camera, setting a range and a direction of an aisle in the store in the generated three-dimensional in-store model based on a change in the generated skeleton information and setting a detection line in the storage based on the range and the direction of the aisle in the store, the detection line for detecting that the person has extended a hand to a product.

公开(公告)号：US20180256046A1

公开(公告)日：2018-09-13

申请号：US15978403

申请日：2018-05-14

Applicant: FUJITSU LIMITED

Inventor： Tatsuya Mori ,  Daisuke Uchida ,  Kazuho Maeda ,  Akihiro Inomata

IPC: A61B5/024 ,  A61B5/00 ,  G06K9/00 ,  G06T7/00

Abstract: A pulse wave analysis apparatus including a memory, and a processor coupled to the memory and the processor configured to execute a process, the process including extracting, from each of a plurality of captured images of a subject, a plurality of image areas corresponding to each of a plurality of parts of the subject respectively, generating pieces of waveform data corresponding to the plurality of parts based on an image analysis for the plurality of image areas, each of the pieces of waveform data indicating a pulse wave of the subject, calculating a first matching degree between the pieces of waveform data, and determining whether a noise is included in the pieces of waveform data based on the first matching degree.

公开(公告)号：US10292602B2

公开(公告)日：2019-05-21

申请号：US14862402

申请日：2015-09-23

Applicant: FUJITSU LIMITED

Inventor： Masato Sakata ,  Daisuke Uchida ,  Akihiro Inomata ,  Hidenori Sekiguchi

IPC: A61B5/021 ,  A61B5/00 ,  A61B5/026 ,  G06T7/00 ,  A61B5/11

Abstract: A blood flow index calculating method includes: obtaining, by a camera, an image capturing a first site of a living body and a second site of the living body; extracting an area of the first site of the living body and an area of the second site of the living body, by a processor; detecting a pulse wave pattern of the first site of the living body from the area of the first site of the living body and detecting a pulse wave pattern of the second site of the living body from the area of the second site of the living body, by the processor; first calculating a delay amount from the pulse wave pattern of the first site and the pulse wave pattern of the second site, by the processor; and second calculating an index related to blood flow by using the delay amount, by the processor.

公开(公告)号：US20180240543A1

公开(公告)日：2018-08-23

申请号：US15961228

申请日：2018-04-24

Applicant: FUJITSU LIMITED

Inventor： Kazuho Maeda ,  Tatsuya Mori ,  Daisuke Uchida ,  Akihiro Inomata

IPC: G16H20/60 ,  A61B5/00 ,  A61B5/024 ,  A61B5/0255 ,  A61B5/0245

CPC classification number: G16H20/60 ,  A61B5/0002 ,  A61B5/02405 ,  A61B5/02438 ,  A61B5/0245 ,  A61B5/0255 ,  A61B5/4857 ,  A61B5/486 ,  A61B5/4866 ,  A61B5/7267 ,  A61B5/7278 ,  A61B5/7282

Abstract: An information processing apparatus includes a memory, and a processor coupled to the memory and configured to acquire time series data of heart rate over a plurality of days, specify a first time zone of a day in which an increasing change of the heart rate satisfies a first condition in common with the time series data on the plurality of days, specify the increasing change in a second time zone of the day for each of the time series data on the plurality of days, the second time zone overlapped with at least a part of the first time zone, specify a meal time based on the increasing of the second time zone for each of the time series data, and output the specified meal time.

公开(公告)号：US20180256047A1

公开(公告)日：2018-09-13

申请号：US15980002

申请日：2018-05-15

Applicant: FUJITSU LIMITED

Inventor： Tatsuya Mori ,  Daisuke Uchida ,  Kazuho Maeda ,  Akihiro lnomata

IPC: A61B5/024 ,  A61B5/00 ,  G06T7/00

CPC classification number: A61B5/02416 ,  A61B5/024 ,  A61B5/02405 ,  A61B5/046 ,  A61B5/7207 ,  A61B5/7246 ,  A61B5/7278 ,  A61B2562/00 ,  G06T7/0012 ,  G06T2207/30048

Abstract: An information processing apparatus including a processor configured to execute a process including obtaining pieces of waveform data corresponding to a plurality of parts of a subject, the pieces of waveform data indicating a pulse wave of the subject, calculating a first index value indicating a matching degree between the pieces of waveform data, calculating a second index value indicating a matching degree between a plurality of partial waveform data for each of the pieces of waveform data, the plurality of partial waveforms data being generated by dividing each of the pieces of waveform data at predetermined time intervals, determining whether the pieces of waveform data indicates an arrhythmia based on the first index value and the second index value, and outputting information indicating a result of the determining.

公开(公告)号：US09962126B2

公开(公告)日：2018-05-08

申请号：US14099457

申请日：2013-12-06

Applicant: FUJITSU LIMITED

Inventor： Kazuho Maeda ,  Masato Sakata ,  Daisuke Uchida ,  Akihiro Inomata

IPC: A61B5/00 ,  A61B5/024

CPC classification number: A61B5/7246 ,  A61B5/0077 ,  A61B5/0082 ,  A61B5/024

Abstract: A pulse wave detection apparatus detects a signal, and calculates a correlation coefficient between waveforms of the signal included in a first window and a second window having a predetermined duration, the correlation coefficient being smaller when a difference between dispersion of the amplitude value in the first window and dispersion of the amplitude value in the second window becomes larger.