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1.发明申请公开(公告)号：US20190251436A1
公开(公告)日：2019-08-15
申请号：US16273662
申请日：2019-02-12
发明人： ChangYong SON , Jinwoo SON , Sangil JUNG , Chang Kyu CHOI , Jae-Joon HAN
CPC分类号： G06N3/08 , G06K9/6217 , G06N3/04 , G06N3/0454 , G06N3/0481 , G06N3/063
摘要： A processing method using a neural network includes generating output maps of a current layer of the neural network by performing a convolution operation between input maps of the current layer and weight kernels of the current layer, determining a lightweight format for the output maps of the current layer based on a distribution of at least a portion of activation data being processed in the neural network, and lightening activation data corresponding to the output maps of the current layer to have a low bit width based on the determined lightweight format.
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公开(公告)号：US20180181796A1
公开(公告)日：2018-06-28
申请号：US15842190
申请日：2017-12-14
发明人： Biao WANG , Bing YU , Chang Kyu CHOI , Deheng QIAN , Jae-Joon HAN , Jingtao XU , Yaozu AN
CPC分类号： G06K9/00288 , G06K9/00228 , G06K9/036 , G06K9/36 , G06K9/52 , G06K9/627 , G06T7/0002 , G06T2207/20081 , G06T2207/20084 , G06T2207/30168 , G06T2207/30201
摘要： An image processing apparatus, includes an image classifier configured to determine whether an input image is a low-quality image or a high-quality image; and an image evaluator configured to determine a first predetermined number of clearest images from a plurality of low-quality images determined by the image classifier.
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公开(公告)号：US20210232846A1
公开(公告)日：2021-07-29
申请号：US17227704
申请日：2021-04-12
发明人： Hao FENG , Jae-Joon HAN , Changkyu CHOI , Chao ZHANG , Jingtao XU , Yanhu SHAN , Yaozu AN
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：US20200257913A1
公开(公告)日：2020-08-13
申请号：US16861497
申请日：2020-04-29
发明人： Jingtao XU , ByungIn YOO , Jae-Joon HAN , Chao ZHANG , Hao FENG , Yanhu SHAN , Yaozu AN , Changkyu CHOI
IPC分类号： G06K9/00
摘要： Disclosed is a liveness test method and apparatus. A liveness test apparatus determines a pre-liveness score based on a plurality of sub-images acquired from an input image, determines a post-liveness score based on a recognition model for recognizing an object included in the input image, and determines a liveness of the object based on any one or any combination of the pre-liveness score and the post-liveness score.
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公开(公告)号：US20180189553A1
公开(公告)日：2018-07-05
申请号：US15837877
申请日：2017-12-11
发明人： Tianchu GUO , Youngsung KIM , Hui ZHANG , Byungin YOO , Chang Kyu CHOI , Jae-Joon HAN , Jingtao XU , Deheng QIAN
CPC分类号： G06K9/00302 , G06F17/10 , G06K9/00255 , G06K9/00268 , G06K9/00281 , G06K9/6211 , G06T7/248 , G06T11/00 , G06T2207/30201
摘要： A processor implemented method of processing a facial expression image, the method includes acquiring an expression feature of each of at least two reference facial expression images; generating a new expression feature based on an interpolation value of the expression feature; and adjusting a target facial expression image based on the new expression feature and creating a new facial expression image.
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公开(公告)号：US20160203305A1
公开(公告)日：2016-07-14
申请号：US14966012
申请日：2015-12-11
发明人： Sungjoo SUH , Chang Kyu CHOI , Jae-Joon HAN
CPC分类号： G06F21/32 , G06F2221/2129 , G06K9/00281 , G06K9/00288
摘要： Example embodiments disclose a method and apparatus for authenticating a user. The method includes generating an image for authentication based on at least one authenticated image based on an input image, and performing authentication based on the generated image for authentication.
摘要翻译： 示例性实施例公开了用于认证用户的方法和装置。 该方法包括基于输入图像生成基于至少一个认证图像的认证图像，并且基于生成的图像进行认证。
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公开(公告)号：US20240161539A1
公开(公告)日：2024-05-16
申请号：US18419874
申请日：2024-01-23
发明人： Seungju HAN , Minsu KO , Deoksang KIM , Jae-Joon HAN
IPC分类号： G06V40/16
CPC分类号： G06V40/166 , G06V40/171 , G06V40/172
摘要： A facial verification method and apparatus is disclosed. The facial verification method includes detecting a face region in an input image, determining whether the detected face region represents a partial face, in response to a determination that the detected face region represents the partial face, generating a synthesized image by combining image information of the detected face region and reference image information, performing a verification operation with respect to the synthesized image and predetermined first registration information, and indicating whether facial verification of the input image is successful based on a result of the performed verification operation.
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公开(公告)号：US20230119080A1
公开(公告)日：2023-04-20
申请号：US18082930
申请日：2022-12-16
发明人： Changyong SON , Deoksang KIM , Minsu KO , Jinwoo SON , Seungju HAN , Chang Kyu CHOI , Jae-Joon HAN
IPC分类号： G06V40/16 , G06N3/08 , G06F21/32 , G06Q20/40 , G06V10/25 , G06V10/75 , G06F18/22 , G06F18/214 , G06F18/25
摘要： A face verification method and apparatus is disclosed. The face verification method includes selecting a current verification mode, from among plural verification modes, to be implemented for the verifying of the face, determining one or more recognizers, from among plural recognizers, based on the selected current verification mode, extracting feature information from information of the face using at least one of the determined one or more recognizers, and indicating whether a verification is successful based on the extracted feature information.
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公开(公告)号：US20210240810A1
公开(公告)日：2021-08-05
申请号：US17240059
申请日：2021-04-26
发明人： Sungjoo SUH , Seungju HAN , Jae-Joon HAN , Chang Kyu CHOI
摘要： A user verification apparatus may perform user verification using multiple biometric verifiers. The user verification apparatus may set a termination stage of one or more biometric verifiers. Multiple biometric verifiers may be used to generate outputs, for which separate termination stages are set to establish a particular combination of set termination stages associated with the multiple biometric verifiers, and the user verification apparatus may fuse outputs of the biometric verifiers based on the particular combination of set termination stages. The user verification apparatus may verify a user based on a result of the fusing, and an unlocking command signal may be generated based on the verifying. The unlocking command signal may be generated to selectively grant access, to the verified user, to one or more elements of a device. The device may be a vehicle.
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公开(公告)号：US20200005146A1
公开(公告)日：2020-01-02
申请号：US16564494
申请日：2019-09-09
发明人： Changyong SON , Jinwoo SON , Byungin YOO , Chang Kyu CHOI , Jae-Joon HAN
摘要： A lightened neural network, method, and apparatus, and recognition method and apparatus implementing the same. A neural network includes a plurality of layers each comprising neurons and plural synapses connecting neurons included in neighboring layers. Synaptic weights with values greater than zero and less than a preset value of a variable a, which is greater than zero, may be at least partially set to zero. Synaptic weights with values greater than a preset value of a variable b, which is greater than zero, may be at least partially set to the preset value of the variable b.
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