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    FULL-SPECTRUM FLASH FOR ELECTRONIC DEVICES
    11.
    发明申请
    FULL-SPECTRUM FLASH FOR ELECTRONIC DEVICES 审中-公开

    公开(公告)号：US20200334440A1

    公开(公告)日：2020-10-22

    申请号：US16919410

    申请日：2020-07-02

    Applicant: Ringo AI, Inc.

    Inventor： Matthew D. Weaver ,  Jay Hurley ,  Jeffrey Saake

    IPC: G06K9/00 ,  H04N5/341 ,  H04N5/225 ,  G06K9/66 ,  G03B43/00 ,  G06K9/20 ,  H04N5/232 ,  H04N9/04 ,  G06K9/46 ,  G06T7/90 ,  H05B45/20 ,  G03B15/05

    Abstract: Introduced here are light sources for flash photography configured to produce high-fidelity white light that is tunable over a broader range of correlated color temperatures (CCTs) than conventional flash technologies. The light source can include multiple independently controllable color channels representing illuminants (e.g., light-emitting diodes) of different colors with varying degrees of saturation. Operating collectively, the multiple color channels can produce a high spectral quality white light corresponding to different CCTs (e.g., “warm” white light having a red hue, “cool” white light having a blue hue). Operating independently, these same color channels can be pre-flashed in a variety of prescribed sequences to probe the spectral characteristics of a scene, thereby allowing for an enhanced, spectrally matched white flash as well as collecting per-pixel reflectivity data that can be later used in during post processing of the captured image.

    White balance with reference illuminants
    13.
    发明授权
    White balance with reference illuminants 有权

    公开(公告)号：US11943546B2

    公开(公告)日：2024-03-26

    申请号：US17473538

    申请日：2021-09-13

    Applicant: RINGO AI, INC.

    Inventor： Jay Hurley ,  Matthew D. Weaver ,  Jeffrey Saake

    IPC: H04N23/88 ,  H04N23/10 ,  H04N23/56 ,  H04N23/60

    CPC classification number: H04N23/88 ,  H04N23/125 ,  H04N23/56 ,  H04N23/60

    Abstract: Introduced here are computer programs and associated computer-implemented techniques for achieving high-fidelity color reproduction in the absence of any known reflectance spectrums. That is, high-fidelity color reproduction can be achieved without portable references, such as gray cards and color checkers. To accomplish this, a new reference spectrum—the “reference illuminant spectrum”—is introduced into scenes to be imaged by image sensors. The reference illuminant spectrum is created by a multi-channel light source whose spectral properties are known.

    CHARACTERIZING REFLECTANCE, ILLUMINANCE, AND SENSOR RESPONSE FOR ELECTROMAGNETIC RADIATION
    17.
    发明申请
    CHARACTERIZING REFLECTANCE, ILLUMINANCE, AND SENSOR RESPONSE FOR ELECTROMAGNETIC RADIATION 审中-公开

    公开(公告)号：US20200242322A1

    公开(公告)日：2020-07-30

    申请号：US16779392

    申请日：2020-01-31

    Applicant: Ringo AI, Inc.

    Inventor： Matthew D. Weaver ,  Jay Hurley ,  Jeffrey Saake

    IPC: G06K9/00 ,  G06K9/66 ,  H04N5/341 ,  H04N5/225 ,  G06K9/20 ,  H04N9/04 ,  G03B15/05 ,  G03B43/00 ,  H04N5/232 ,  G06K9/46 ,  H05B45/20 ,  G06T7/90

    Abstract: Introduced here are computer programs and associated computer-implemented techniques for determining reflectance of an image on a per-pixel basis. More specifically, a characterization module can initially acquire a first data set generated by a multi-channel light source and a second data set generated by a multi-channel image sensor. The first data set may specify the illuminance of each channel of the multi-channel light source (which may be able to produce visible light and/or non-visible light), while the second data set may specify the response of each sensor channel of the multi-channel image sensor (which is configured to capture an image in conjunction with the light). Thus, the characterization module may determine reflectance based on illuminance and sensor response. The characterization module may also be configured to determine illuminance based on reflectance and sensor response, or determine sensor response based on illuminance and reflectance.

    Full-spectrum flash for electronic devices
    18.
    发明授权
    Full-spectrum flash for electronic devices 有权

    公开(公告)号：US10706253B2

    公开(公告)日：2020-07-07

    申请号：US16459038

    申请日：2019-07-01

    Applicant: Ringo AI, Inc.

    Inventor： Matthew D. Weaver ,  James Kingman ,  Jay Hurley ,  Jeffrey Saake ,  Sanjoy Ghose

    IPC: H05B37/02 ,  H05B39/04 ,  H05B41/36 ,  G06K9/00 ,  H04N5/341 ,  H04N5/225 ,  G06K9/66 ,  G03B43/00 ,  G06K9/20 ,  H04N5/232 ,  H04N9/04 ,  G06K9/46 ,  G06T7/90 ,  H05B45/20 ,  G03B15/05

    Abstract: Introduced here are light sources for flash photography configured to produce high-fidelity white light that is tunable over a broader range of correlated color temperatures (CCTs) than conventional flash technologies. The light source can include multiple independently controllable color channels representing illuminants (e.g., light-emitting diodes) of different colors with varying degrees of saturation. Operating collectively, the multiple color channels can produce a high spectral quality white light corresponding to different CCTs (e.g., “warm” white light having a red hue, “cool” white light having a blue hue). Operating independently, these same color channels can be pre-flashed in a variety of prescribed sequences to probe the spectral characteristics of a scene, thereby allowing for an enhanced, spectrally matched white flash as well as collecting per-pixel reflectivity data that can be later used in during post processing of the captured image.

    FULL-SPECTRUM FLASH FOR ELECTRONIC DEVICES
    19.
    发明申请
    FULL-SPECTRUM FLASH FOR ELECTRONIC DEVICES 审中-公开

    公开(公告)号：US20190325191A1

    公开(公告)日：2019-10-24

    申请号：US16459038

    申请日：2019-07-01

    Applicant: Ringo AI, Inc.

    Inventor： Matthew D. Weaver ,  James Kingman ,  Jay Hurley ,  Jeffrey Saake ,  Sanjoy Ghose

    IPC: G06K9/00 ,  G06K9/66 ,  G03B15/05 ,  H04N5/225 ,  H05B33/08 ,  H04N5/341 ,  H04N9/04 ,  G03B43/00 ,  H04N5/232 ,  G06T7/90 ,  G06K9/46 ,  G06K9/20

    Abstract: Introduced here are light sources for flash photography configured to produce high-fidelity white light that is tunable over a broader range of correlated color temperatures (CCTs) than conventional flash technologies. The light source can include multiple independently controllable color channels representing illuminants (e.g., light-emitting diodes) of different colors with varying degrees of saturation. Operating collectively, the multiple color channels can produce a high spectral quality white light corresponding to different CCTs (e.g., “warm” white light having a red hue, “cool” white light having a blue hue). Operating independently, these same color channels can be pre-flashed in a variety of prescribed sequences to probe the spectral characteristics of a scene, thereby allowing for an enhanced, spectrally matched white flash as well as collecting per-pixel reflectivity data that can be later used in during post processing of the captured image.

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