FEATURE EXTRACTION METHOD, COMPARISON SYSTEM, AND STORAGE MEDIUM

    公开(公告)号:US20210049777A1

    公开(公告)日:2021-02-18

    申请号:US16966984

    申请日:2019-02-18

    Inventor: Ryo KAWAI

    Abstract: The feature extraction device according to one aspect of the present disclosure comprises: a reliability determination unit that determines a degree of reliability with respect to a second region, which is a region that has been extracted as a foreground region of an image and is within a first region that has been extracted from the image as a partial region containing a recognition subject, said degree of reliability indicating the likelihood of being the recognition subject; a feature determination unit that, on the basis of the degree of reliability, uses a first feature which is a feature extracted from the first region and a second feature which is a feature extracted from the second region to determine a feature of the recognition subject; and an output unit that outputs information indicating the determined feature of the recognition subject.

    IMAGE PROCESSING DEVICE, STATIONARY OBJECT TRACKING SYSTEM, IMAGE PROCESSING METHOD, AND RECORDING MEDIUM

    公开(公告)号:US20200043181A1

    公开(公告)日:2020-02-06

    申请号:US16599259

    申请日:2019-10-11

    Inventor: Ryo KAWAI

    Abstract: Provided is a technique for extracting information with which it is possible to track an object to be tracked, even if it happens that the object to be tracked is hidden or the like. This image processing device is provided with: a moving region identification unit which identifies, in a video, the image region associated with a moving object shown in the video; a stationary region identification unit which identifies, in the video, the image region associated with a stationary object shown in the video; and an extraction unit which extracts a feature of a partial image that is included in the image region associated with the stationary object, and that does not overlap the image region associated with the moving object.

    IMAGE-PROCESSING DEVICE, IMAGE-PROCESSING METHOD, AND RECORDING MEDIUM

    公开(公告)号:US20190385315A1

    公开(公告)日:2019-12-19

    申请号:US16546415

    申请日:2019-08-21

    Inventor: Ryo KAWAI

    Abstract: In order to produce a discriminator that has higher discrimination ability, this image-processing device is provided with a synthesis unit for synthesizing a background image and an object image the hue and/or brightness of which at least partially resembles at least a portion of the background image, a generation unit for generating a difference image between the synthesized image and the background image, and a machine learning unit for performing machine learning using the generated difference image as learning data.

    IMAGE-PROCESSING DEVICE, IMAGE-PROCESSING METHOD, AND RECORDING MEDIUM

    公开(公告)号:US20190026906A1

    公开(公告)日:2019-01-24

    申请号:US16082624

    申请日:2017-02-27

    Inventor: Ryo KAWAI

    Abstract: In order to produce a discriminator that has higher discrimination ability, this image-processing device is provided with a synthesis unit for synthesizing a background image and an object image the hue and/or brightness of which at least partially resembles at least a portion of the background image, a generation unit for generating a difference image between the synthesized image and the background image, and a machine learning unit for performing machine learning using the generated difference image as learning data.

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