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公开(公告)号：US12293520B2
公开(公告)日：2025-05-06
申请号：US17868803
申请日：2022-07-20
Applicant: PixArt Imaging Inc.
Inventor： Yuan-Hsin Liao
Abstract: A portrait image processing method, applying to a portrait image processing device, comprising: (a) acquiring a BVP (Blood Volume Pulse) signal of a user; (b) acquiring blood flow distribution of a specific portion of a user; (c) capturing an image of a specific portion of the user; and (d) adjusting the image of the specific portion according to the BVP signal and the blood flow distribution. A portrait image processing device, which comprises a camera and a processing circuit, is also disclosed. The processing circuit can acquire BVP signals from an image captured by the camera or from a PPG sensor.
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Patent Agency Ranking
公开(公告)号：US20240029261A1
公开(公告)日：2024-01-25
申请号：US17868803
申请日：2022-07-20
Applicant: PixArt Imaging Inc.
Inventor： Yuan-Hsin Liao
CPC classification number: G06T7/11 , A61B5/0077 , G06V40/161 , G06T2207/30201
Abstract: A portrait image processing method, applying to a portrait image processing device, comprising: (a) acquiring a BVP (Blood Volume Pulse) signal of a user; (b) acquiring blood flow distribution of a specific portion of a user; (c) capturing an image of a specific portion of the user; and (d) adjusting the image of the specific portion according to the BVP signal and the blood flow distribution. A portrait image processing device, which comprises a camera and a processing circuit, is also disclosed. The processing circuit can acquire BVP signals from an image captured by the camera or from a PPG sensor.
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公开(公告)号：US20210038085A1
公开(公告)日：2021-02-11
申请号：US17080862
申请日：2020-10-27
Applicant: PixArt Imaging Inc.
Inventor： Yuan-Hsin Liao
Abstract: A method for establishing a personal blood pressure estimation model dedicated for a specific user includes: receiving a first reference measurement result of a reference sphygmomanometer; using a physiological sensor to measure the specific user's blood pressure to generate a first photoplethysmogram signal; calculating a first estimation result of the blood pressure of the specific user according to the first photoplethysmogram signal; generating a first regulating parameter by comparing the first reference measurement result with the first estimation result; and establishing the personal blood pressure estimation model by using the first regulating parameter to adjust a set of parameter factor(s) of a basic blood pressure estimation model.
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公开(公告)号：US10849565B2
公开(公告)日：2020-12-01
申请号：US15592207
申请日：2017-05-11
Applicant: PixArt Imaging Inc.
Inventor： Yuan-Hsin Liao
Abstract: A method for obtaining an estimation of a physiological feature of a specific user includes: using a physiological sensor device under a normal sensing mode to sense the physiological feature of the specific user to generate a physiological signal of the normal sensing mode; determining a matched physiological signal from a plurality of test physiological signals by comparing the plurality of test physiological signals with the physiological signal of the normal sensing mode; and calculating a resultant estimation of the physiological feature of the specific user according to the matched physiological signal and the profile of the physiological feature of the specific user.
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5.发明申请公开(公告)号：US20190082984A1
公开(公告)日：2019-03-21
申请号：US15709458
申请日：2017-09-19
Applicant: PixArt Imaging Inc.
Inventor： Wei-Ru Han , Chih-Yuan Chuang , Yuan-Hsin Liao
Abstract: A method for establishing a personal blood pressure estimation model dedicated for a specific user includes: receiving a first reference measurement result of a reference sphygmomanometer; using a PPG sensor to measure a blood pressure of the specific user to generate a first PPG signal; calculating a first estimation result of the blood pressure of the specific user according to the first PPG signal; generating a first regulating parameter by comparing the first reference measurement result with the first estimation result; and establishing the personal blood pressure estimation model by using the first regulating parameter to adjust a set of parameter factor (s) of a basic blood pressure estimation model.
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公开(公告)号：US20180325462A1
公开(公告)日：2018-11-15
申请号：US15592207
申请日：2017-05-11
Applicant: PixArt Imaging Inc.
Inventor： Yuan-Hsin Liao
CPC classification number: A61B5/7271 , A61B5/0002 , A61B5/021 , A61B5/02416
Abstract: A method for obtaining an estimation of a physiological feature of a specific user includes: using a physiological sensor device under a normal sensing mode to sense the physiological feature of the specific user to generate a physiological signal of the normal sensing mode; determining a matched physiological signal from a plurality of test physiological signals by comparing the plurality of test physiological signals with the physiological signal of the normal sensing mode; and calculating a resultant estimation of the physiological feature of the specific user according to the matched physiological signal and the profile of the physiological feature of the specific user.
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