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公开(公告)号：US10740589B2
公开(公告)日：2020-08-11
申请号：US16383733
申请日：2019-04-15
发明人： Kenji Miyoshino , Tatsuki Yoshimine , Yuhei Niwa , Kenta Okumura
IPC分类号： G06K9/00 , A61B5/1171 , G06T7/00 , G07C9/25 , G07C9/26
摘要： A skin information processing method for a skin information processing device that includes a storage portion includes include acquiring an image, and determining a base point that represents a sweat pore on a ridge of skin, from the acquired image and acquiring position information corresponding to a position of the base point on the image. The skin information processing method includes acquiring sample information indicating changes in color information around the determined base point, generating, as frequency information, information associating frequency components of the acquired sample information with the position information. The skin information processing method includes causing the storage portion to store information including the generated frequency information and the position information of the base point, as information used in skin authentication.
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公开(公告)号：US11368843B2
公开(公告)日：2022-06-21
申请号：US16678451
申请日：2019-11-08
发明人： Tatsuki Yoshimine
摘要： The authentication information processing method includes acquiring related information generated for each of a plurality of base points representing feature points of biometric information extracted from an image, for a collation base point and a registration base point. The collation base point is included in authentication information for collation used for biometric authentication. The registration base point is included in authentication information for registration. The related information associates attribute information with a central base point. The method includes determining whether the attribute information associated with the collation base point matches the attribute information associated with the registration base point, and comparing the collation base point and the registration base point for which it is determined that the respective attribute information match each other, and determining a correspondence between the authentication information for collation and the authentication information for registration used to calculate a degree of similarity.
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公开(公告)号：US10740590B2
公开(公告)日：2020-08-11
申请号：US16383758
申请日：2019-04-15
发明人： Kenji Miyoshino , Tatsuki Yoshimine , Yuhei Niwa , Kenta Okumura
IPC分类号： G06K9/00 , A61B5/1172 , G06T7/00 , A61B5/1171 , G07C9/25 , G07C9/26
摘要： A skin information processing method for a skin information processing device that includes a storage portion includes acquiring an image, determining a plurality of base points from the acquired image, and acquiring position information, for the each of the plurality of base points, corresponding to a position of the base point on the acquired image. Each of the plurality of base points representing a sweat pore on a ridge of skin. The skin information processing method includes extracting a plurality of base points disposed on a same continuous ridge, generating ridge information including, for each of a plurality of extracted base points, the position information and an arrangement order on the ridge, and causing the storage portion to store the generated ridge information, as information to be used in skin authentication.
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公开(公告)号：US11586718B2
公开(公告)日：2023-02-21
申请号：US16678522
申请日：2019-11-08
发明人： Tatsuki Yoshimine
摘要： An authentication information processing method for an authentication information processing device that includes a processor and a memory includes acquiring a plurality of pair candidate and image information for each of the plurality of pair candidate. The each of the plurality of pair candidate is a candidate of a combination of related information for collation and related information for registration to be used to calculate a degree of similarity. The authentication information includes a plural pieces of the related information. The method includes narrowing down the plurality of pair candidate by comparing the acquired image information of the plurality of pair candidate of the related information for collation and the related information for registration and determining a correspondence between the related information for collation and the related information for registration used to calculate the degree of similarity, from among the narrowed down pair candidates.
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公开(公告)号：US11106890B2
公开(公告)日：2021-08-31
申请号：US16678348
申请日：2019-11-08
发明人： Tatsuki Yoshimine
摘要： An authentication information processing method for an authentication information processing device including a processor and a memory includes acquiring an image, determining a base point representing a sweat pore on a ridge of skin from the acquired image, and acquiring position information. The authentication information processing method includes extracting a predetermined number of the base points whose distance from the central base point is less than a predetermined value and for which a number of troughs between adjacent two of the ridges of the skin positioned between the central base point and each of the predetermined number of base points is equal to or less than one, as peripheral base point. The authentication information processing method includes generating sweat pore-related information associating the position information of the central base point with attribute information, and causing the memory to store the generated sweat pore-related information.
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公开(公告)号：US10733416B2
公开(公告)日：2020-08-04
申请号：US16370044
申请日：2019-03-29
申请人： KABUSHIKI KAISHA DDS
发明人： Kenji Miyoshino , Tatsuki Yoshimine , Noriyuki Gonda , Yuhei Niwa
摘要： A processor of an information processing device acquires an image, determines base point from the image, and acquires first position information of the base point. The processor determines a reference direction indicating characteristics of color information of a section of the image around the base point. The processor acquires a sample for each of a plurality of reference points acquired sequentially in accordance with a predetermined condition from a starting point determined on the basis of the base point and the reference direction. The processor calculates as frequency information, frequency components of changes in the color information with respect to the second position information for the plurality of samples, using a linear prediction coefficient calculated using a Yule-Walker method without applying a window function. The processor causes the memory to store information associating the frequency information, the first position information and the reference direction, as collation information.
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公开(公告)号：US10430629B2
公开(公告)日：2019-10-01
申请号：US15868159
申请日：2018-01-11
申请人： KABUSHIKI KAISHA DDS
摘要： A computer-readable medium and an information processing device are provided that are capable of generating collation information that is unlikely to be affected by acquisition conditions of biometric information. An image is acquired (S1), and a base point is determined from the image (S2). Sample information indicating a change in color information of a surrounding area of the base point is acquired (S3). The sample information is information that associates a plurality of samples with center information corresponding to positions on the image of first reference points. The sample is information that associates color information of second reference points with position information of the second reference points. Based on the acquired sample information, frequency information is generated (S4). The frequency information associates the center information with a frequency component of a change in the color information with respect to the position information calculated for each of the first reference points.
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