Techniques for generating time-series images of changes in personal appearance

    公开(公告)号:US10999530B1

    公开(公告)日:2021-05-04

    申请号:US16696871

    申请日:2019-11-26

    Applicant: L'Oreal

    Abstract: A computer system creates time lapse video of a live subject to help assess effects of skin treatments, use of cosmetics, or personal care routines over time. In one aspect, the computer system obtains a set of digital source images (e.g., from video or a series of still images) of a region of interest of a live subject (e.g., the face of the live subject or a portion thereof) captured in a first time period; normalizes the set of digital source images; obtains a first representative image that includes the region of interest by synthesizing or selecting it from the set of digital source images; and combines the first representative image with additional representative images from other time periods to form a time lapse video of the region of interest of the live subject.

    Video analysis for obtaining optical properties of a face

    公开(公告)号:US11580778B2

    公开(公告)日:2023-02-14

    申请号:US17007860

    申请日:2020-08-31

    Applicant: L'OREAL

    Inventor: Mehdi Doumi

    Abstract: Disclosed is a system and method for obtaining optical properties of skin on a human face through face video analysis. Video of the face is captured, landmarks on the face and tracked, regions-of-interest are defined and tracked using the landmarks, some measurements/optical properties are obtained, the time-based video is transformed into an angular domain, and additional measurements/optical properties are obtained. Such optical properties can be measured using video in real-time or video that has been pre-recorded.

    Creating a colorcloud
    4.
    发明授权

    公开(公告)号:US11514629B2

    公开(公告)日:2022-11-29

    申请号:US17107168

    申请日:2020-11-30

    Applicant: L'OREAL

    Inventor: Mehdi Doumi

    Abstract: A cradle can be used to capture video of an object, such as hair. That video can then be used to extract and visualize color information relating to that material using a colorcloud. The colorcloud contains all the colors that were present in one or more frames of the video. The cradle comprises a video recording device that is able to see the material through a window on the cradle. A smartphone can be used with the cradle to act as the video recording device, as well as provide lighting.

    TECHNIQUES FOR GENERATING TIME-SERIES IMAGES OF CHANGES IN PERSONAL APPEARANCE

    公开(公告)号:US20210160436A1

    公开(公告)日:2021-05-27

    申请号:US16696871

    申请日:2019-11-26

    Applicant: L'Oreal

    Abstract: A computer system creates time lapse video of a live subject to help assess effects of skin treatments, use of cosmetics, or personal care routines over time. In one aspect, the computer system obtains a set of digital source images (e.g., from video or a series of still images) of a region of interest of a live subject (e.g., the face of the live subject or a portion thereof) captured in a first time period; normalizes the set of digital source images; obtains a first representative image that includes the region of interest by synthesizing or selecting it from the set of digital source images; and combines the first representative image with additional representative images from other time periods to form a time lapse video of the region of interest of the live subject.

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