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    METHOD, SYSTEM AND COMPUTER PROGRAM FOR SATELLITE IMAGE SERIES GLOBAL REGISTRATION
    2.
    发明申请
    METHOD, SYSTEM AND COMPUTER PROGRAM FOR SATELLITE IMAGE SERIES GLOBAL REGISTRATION 审中-公开

    公开(公告)号：WO2023275584A1

    公开(公告)日：2023-01-05

    申请号：PCT/IB2021/000870

    申请日：2021-12-09

    Applicant: KAYRROS

    Inventor： HESSEL, Charles ,  DE FRANCHIS, Carlo ,  FACCIOLO, Gabriele ,  MOREL, Jean-Michel

    IPC: G06T7/32 ,  G06T7/37 ,  G06T2207/10032 ,  G06T2207/20056 ,  G06T2207/20072 ,  G06T2207/30181

    Abstract: The invention relates to a computer-implemented method of registering a set of images, comprising the steps of: - for each pair of images consisting of a first image and a second image of the set, estimating a translation shift between the first image and the second image, thereby determining a graph having nodes each corresponding to an image of the set and direct links each connecting two images of the set and being associated with the estimated translation shift between said two images; - for each image of the set: o calculating a registering shift based on the translation shifts estimated for the pairs of images having said image as one of the first or second images; and o applying the registering shift to the image. The method may comprise, for each direct link in the graph between two images, performing a consistency test which comprises: - checking whether or not the graph satisfies an identity condition between the direct link and any indirect links in the graph between the two images passing through at least one intermediate image and consisting of at least two direct links; and - discarding the estimated translation shift associated to the direct link in case the graph does not satisfy the identity condition.

    AUTOMATED DETECTION OF GAS EMISSIONS
    3.
    发明申请
    AUTOMATED DETECTION OF GAS EMISSIONS 审中-公开

    公开(公告)号：WO2023275583A1

    公开(公告)日：2023-01-05

    申请号：PCT/IB2021/000866

    申请日：2021-12-10

    Applicant: KAYRROS

    Inventor： OUERGHI, Elyes ,  EHRET, Thibaud ,  DE FRANCHIS, Carlo ,  FACCIOLO, Gabriele ,  LAUVAUX, Thomas ,  MOREL, Jean-Michel ,  GIRON, Clément

    IPC: G01N21/35 ,  G01N21/3504 ,  G01J3/42 ,  G01M3/38 ,  G01N33/00 ,  G01N2021/3531 ,  G01N33/0036

    Abstract: A method of detecting a plume of a given gas composition from a hyperspectral image comprises obtaining a short-wave infrared (SWIR) image depicting an area of interest on a given date from an overhead image acquisition device, determining, for a plurality of wavelengths for which a given gas exhibits an absorption maximum, whether at least one pixel of the SWIR image is indicative of absorption of infrared light within the given gas, applying an anomaly detection algorithm to the SWIR image to detect an anomaly therein that is attributable to a presence of the given gas within the area of interest, and identifying pixels as indicative of an emission of the given gas for those pixels of the SWIR image that are determined to be indicative of absorption of the given gas and determined to be indicative of the anomaly attributable to the presence of the given gas.

    METHOD AND SYSTEM FOR BUILDING DETECTION IN SATELLITE IMAGES WITH PATCH MATCH COMPLETION
    5.
    发明申请
    METHOD AND SYSTEM FOR BUILDING DETECTION IN SATELLITE IMAGES WITH PATCH MATCH COMPLETION 审中-公开

    公开(公告)号：WO2023281290A1

    公开(公告)日：2023-01-12

    申请号：PCT/IB2021/000869

    申请日：2021-12-09

    Applicant: KAYRROS

    Inventor： TADROS, Antoine ,  DROUYER, Sébastien ,  GROMPONE, Raffaele

    IPC: G06V20/13

    Abstract: The invention relates to a computer-implemented method of detecting buildings such as oil tanks in a satellite image, comprising the steps of: - detecting circular-shaped objects in the satellite image to identify building candidates; - extracting reference patches from the satellite image, each reference patch being centered on one of the identified building candidates; - extracting a candidate patch from the satellite image and determining whether the candidate patch is similar to one of the reference patches; and - when the candidate patch is determined as being similar to one of the reference patches, associating a new building candidate to a circular-shaped object centered around a center of the candidate patch.

    METHOD AND SYSTEM FOR THE AUTOMATIC MONITORING OF A LIQUID RESOURCE STORED IN A LAKE USING SATELLITE IMAGERY
    6.
    发明申请
    METHOD AND SYSTEM FOR THE AUTOMATIC MONITORING OF A LIQUID RESOURCE STORED IN A LAKE USING SATELLITE IMAGERY 审中-公开

    公开(公告)号：WO2023281289A1

    公开(公告)日：2023-01-12

    申请号：PCT/IB2021/000865

    申请日：2021-12-09

    Applicant: KAYRROS

    Inventor： EHRET, Thibaud ,  LAJOUANIE, Simon ,  LEFRANCOIS, Victor ,  DE FRANCHIS, Carlo

    IPC: G06V20/13

    Abstract: The invention relates to a computer-implemented method of monitoring a liquid resource stored in a lake, comprising the steps of determining a level of the liquid resource in the lake based on a satellite image of the lake and of determining a volume of the liquid resource in the lake based on the determined level and on a volume function of the lake which associates a volume to a given level. Determining said level comprises identifying within the satellite image a contour representative of a shoreline of the liquid resource within the lake and determining a height of the contour based on an elevation model of the lake aligned with the satellite image.

    METHOD AND SYSTEM FOR DETECTING, QUANTIFYING, AND ATTRIBUTING GAS EMISSIONS OF INDUSTRIAL ASSETS
    7.
    发明申请
    METHOD AND SYSTEM FOR DETECTING, QUANTIFYING, AND ATTRIBUTING GAS EMISSIONS OF INDUSTRIAL ASSETS 审中-公开

    公开(公告)号：WO2022023226A1

    公开(公告)日：2022-02-03

    申请号：PCT/EP2021/070760

    申请日：2021-07-23

    Applicant: KAYRROS

    Inventor： GIRON, Clément ,  MAZZOLINI, Matthieu ,  DHOBB, Omar ,  ROSTAND, Antoine ,  BONFLIS-BIERER, Claire ,  BASTIN, Jean

    IPC: G06K9/00 ,  G06K9/20

    Abstract: A method of monitoring synthetic gas emissions comprises obtaining a gas concentration image within a first area of interest from an overhead image acquisition device, detecting from the gas concentration image at least one gas plume of a synthetic gas emission, quantifying an emission rate of the detected gas plume, estimating an estimated point source of the detected gas plume, and attributing the detecting gas plume to an actual point source. A corresponding system for monitoring synthetic gas emissions comprises a memory storing a gas concentration image of a first area of interest, and a processor communicatively coupled thereto and configured to detect from the image of the gas concentration at least one gas plume of a synthetic gas emission, quantify an emission rate of the detected gas plume, estimate an estimated point source of the detected gas plume, and attribute the detecting gas plume to an actual point source.

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