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公开(公告)号：US20210158012A1
公开(公告)日：2021-05-27
申请号：US17142308
申请日：2021-01-06
发明人： Seon Min RHEE , Kyuhong KIM , Hana LEE , Changkyu CHOI
摘要： A fingerprint verification method and apparatus is disclosed. The fingerprint verification method may include obtaining an input fingerprint image, determining a matching region between the input fingerprint image and a registered fingerprint image, determining a similarity corresponding to the matching region, representing a determined indication of similarities between the input fingerprint image and the registered fingerprint image, relating the determined similarity to the matching region as represented in a matching region-based similarity, determining a result of a verification of the input fingerprint image based on the matching region-based similarity, and indicating the result of the verification.
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公开(公告)号：US20180276492A1
公开(公告)日：2018-09-27
申请号：US15926161
申请日：2018-03-20
发明人： Hao FENG , Jae-Joon HAN , Changkyu CHOI , Chao ZHANG , Jingtao XU , Yanhu SHAN , Yaozu AN
CPC分类号： G06K9/3241 , G06K9/00281 , G06K9/036 , G06K9/6257 , G06K2009/4666 , G06T3/4007 , G06T7/0002 , G06T7/73 , G06T2207/30168
摘要： An image processing method implemented by a processor includes receiving an image, acquiring a target image that includes an object from the image, calculating an evaluation score by evaluating a quality of the target image, and detecting the object from the target image based on the evaluation score.
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公开(公告)号：US20200233944A1
公开(公告)日：2020-07-23
申请号：US16840782
申请日：2020-04-06
发明人： Kyuhong KIM , Sungjoo SUH , Hyungsuk KIM , Changkyu CHOI , Namjoon KIM , Wonjun KIM
IPC分类号： G06F21/32 , G06K9/00 , G06K9/62 , G06K9/46 , G06K9/34 , G06K9/03 , G06T1/00 , G06F16/51 , G06F16/23
摘要： A method for updating biometric authentication data authenticates an input image using an enrollment database (DB) over a first length of time, the authentication including generating information for authenticating the input image, and updates the enrollment DB based on the first length time and the information for authenticating the input image.
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4.发明申请公开(公告)号：US20180173942A1
公开(公告)日：2018-06-21
申请号：US15672393
申请日：2017-08-09
发明人： Youngsung KIM , Byungin YOO , Youngjun KWAK , Changkyu CHOI
CPC分类号： G06K9/00302 , G06K9/62 , G06K9/627 , G06T13/40 , G10L15/00 , G10L21/06 , G10L2021/105
摘要： A method and apparatus for generating a facial expression may receive an input image, and generate facial expression images that change from the input image based on an index indicating a facial expression intensity of the input image, the index being obtained from the input image
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公开(公告)号：US20230245492A1
公开(公告)日：2023-08-03
申请号：US18296631
申请日：2023-04-06
发明人： Seon Min RHEE , Kyuhong KIM , Hana LEE , Changkyu CHOI
CPC分类号： G06V40/1335 , G06V40/1347 , G06V10/75 , G06V10/431 , G06V40/1365 , G06F18/22 , G06F18/29 , G06V10/761 , G06V10/84
摘要： A fingerprint verification method and apparatus is disclosed. The fingerprint verification method may include obtaining an input fingerprint image, determining a matching region between the input fingerprint image and a registered fingerprint image, determining a similarity corresponding to the matching region, representing a determined indication of similarities between the input fingerprint image and the registered fingerprint image, relating the determined similarity to the matching region as represented in a matching region-based similarity, determining a result of a verification of the input fingerprint image based on the matching region-based similarity, and indicating the result of the verification.
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公开(公告)号：US20200242424A1
公开(公告)日：2020-07-30
申请号：US16849015
申请日：2020-04-15
发明人： Biao WANG , Chao ZHANG , Changkyu CHOI , Deheng QIAN , Jae-Joon HAN , Jingtao XU , Hao FENG
摘要： A method of detecting a target includes generating an image pyramid based on an image on which a detection is to be performed; classifying candidate areas in the image pyramid using a cascade neural network; and determining a target area corresponding to a target included in the image based on the plurality of candidate areas, wherein the cascade neural network includes a plurality of neural networks, and at least one neural network among the neural networks includes parallel sub-neural networks.
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公开(公告)号：US20180157938A1
公开(公告)日：2018-06-07
申请号：US15825951
申请日：2017-11-29
发明人： Biao WANG , Chao ZHANG , Changkyu CHOI , Deheng QIAN , Jae-Joon HAN , Jingtao XU , Hao FENG
CPC分类号： G06K9/66 , G06K9/42 , G06K9/6282 , G06N3/04 , G06N3/0445 , G06N3/0454 , G06N3/0472 , G06N3/08 , G06N3/084
摘要： A method of detecting a target includes generating an image pyramid based on an image on which a detection is to be performed; classifying candidate areas in the image pyramid using a cascade neural network; and determining a target area corresponding to a target included in the image based on the plurality of candidate areas, wherein the cascade neural network includes a plurality of neural networks, and at least one neural network among the neural networks includes parallel sub-neural networks.
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公开(公告)号：US20180157899A1
公开(公告)日：2018-06-07
申请号：US15833224
申请日：2017-12-06
发明人： Jingtao XU , Biao WANG , Yaozu AN , ByungIn YOO , Changkyu CHOI , Deheng QIAN , Jae-Joon HAN
摘要： A method of detecting a target includes determining a quality type of a target image captured using a camera, determining a convolutional neural network of a quality type corresponding to the quality type of the target image in a database comprising convolutional neural networks, determining a detection value of the target image based on the convolutional neural network of the corresponding quality type, and determining whether a target in the target image is a true target based on the detection value of the target image.
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公开(公告)号：US20160210500A1
公开(公告)日：2016-07-21
申请号：US14996709
申请日：2016-01-15
发明人： Xuetao FENG , Hao FENG , Hongwei ZHANG , Lujin GONG , Changkyu CHOI , Jae-Joon HAN , Sungjoo SUH , Wonjun HWANG , Biao WANG
CPC分类号： G06T15/10 , G06K9/00208 , G06K9/00281 , G06K9/6209 , G06K9/621 , G06T19/20
摘要： A method and an apparatus for adjusting a pose in a face image are provided. The method of adjusting a pose in a face image involves detecting two-dimensional (2D) landmarks from a 2D face image, positioning three-dimensional (3D) landmarks in a 3D face model by determining an initial pose of the 3D face model based on the 2D landmarks, updating the 3D landmarks by iteratively adjusting a pose and a shape of the 3D face model, and adjusting a pose in the 2D face image based on the updated 3D landmarks.
摘要翻译： 提供了一种用于调整脸部图像中姿势的方法和装置。 调整脸部图像中的姿势的方法包括从2D面部图像检测二维（2D）界标，通过基于以下方式确定3D脸部模型的初始姿态来将三维（3D）界标定位在3D脸部模型中： 2D地标，通过迭代地调整3D脸部模型的姿态和形状来更新3D地标，以及基于更新的3D地标调整2D脸部图像中的姿势。
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公开(公告)号：US20180365479A1
公开(公告)日：2018-12-20
申请号：US15926024
申请日：2018-03-20
发明人： Hana LEE , Kyuhong KIM , Seon Min RHEE , Changkyu CHOI
IPC分类号： G06K9/00
CPC分类号： G06K9/00087 , G06K9/00013 , G06K9/00026
摘要： A fingerprint verification method and a fingerprint verification apparatus performing the fingerprint verification method are disclosed. The fingerprint verification apparatus determines a first similarity between a query fingerprint image and each of registered fingerprint images, selects a target registered fingerprint image group from registered fingerprint image groups based on the first similarity, determines a second similarity between the query fingerprint image and each of registered fingerprint images in the target registered fingerprint image group based on matching relationship information between the registered fingerprint images in the target registered fingerprint image group, and determines whether fingerprint verification of the query fingerprint image is successful based on the second similarity.
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