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公开(公告)号:US20210158509A1
公开(公告)日:2021-05-27
申请号:US16899935
申请日:2020-06-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Youngjun KWAK , Minsu KO , Youngsung KIM , Heewon KIM , Ju Hwan SONG , Byung In YOO , Seon Min RHEE , Yong-il LEE , Jiho CHOI , Seungju HAN
Abstract: A processor-implemented method includes: generating a preprocessed infrared (IR) image by performing first preprocessing based on an IR image including an object; generating a preprocessed depth image by performing second preprocessing based on a depth image including the object; and determining whether the object is a genuine object based on the preprocessed IR image and the preprocessed depth image.
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公开(公告)号:US20200027001A1
公开(公告)日:2020-01-23
申请号:US16567365
申请日:2019-09-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Byungin YOO , Youngsung KIM , Youngjun KWAK , Chang Kyu CHOI
Abstract: A neural network recognition method includes obtaining a first neural network that includes layers and a second neural network that includes a layer connected to the first neural network, actuating a processor to compute a first feature map from input data based on a layer of the first neural network, compute a second feature map from the input data based on the layer connected to the first neural network in the second neural network, and generate a recognition result based on the first neural network from an intermediate feature map computed by applying an element-wise operation to the first feature map and the second feature map.
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公开(公告)号:US20190228248A1
公开(公告)日:2019-07-25
申请号:US16215750
申请日:2018-12-11
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jaejoon HAN , Youngjun KWAK , ByungIn YOO , Changkyu CHOI
Abstract: A processor-implemented liveness test method includes: obtaining a color image including an object and an infrared (IR) image including the object; performing a first liveness test using the color image; performing a second liveness test using the IR image; and determining a liveness of the object based on a result of the first liveness test and a result of the second liveness test.
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公开(公告)号:US20180114057A1
公开(公告)日:2018-04-26
申请号:US15467396
申请日:2017-03-23
Applicant: Samsung Electronics Co., Ltd.
Inventor: Youngsung KIM , Byungin YOO , Youngjun KWAK , Chang Kyu CHOI
IPC: G06K9/00
CPC classification number: G06K9/00302 , G06K9/00 , G06K9/00228 , G06K9/00268 , G06K9/00308 , G06K9/624
Abstract: A method and apparatus for recognizing a facial expression is provided. The method of recognizing the facial expression includes extracting a feature from an input image, extracting a feature from a reference image, and recognizing a user facial expression based on a difference between the feature of the input image and the feature of the reference image.
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公开(公告)号:US20170140247A1
公开(公告)日:2017-05-18
申请号:US15347143
申请日:2016-11-09
Applicant: Samsung Electronics Co., Ltd.
Inventor: Byungin YOO , Youngjun KWAK , Jungbae KIM , Seon Min RHEE , Seungju HAN , Jaejoon HAN , Wonjun HWANG
CPC classification number: G06K9/6256 , G06K9/00067 , G06K9/00087 , G06K9/00221 , G06K9/00268 , G06K9/00288 , G06K9/4623 , G06N3/08 , H04L63/0861
Abstract: A method and an apparatus for recognizing an object are disclosed. The apparatus may extract a plurality of features from an input image using a single recognition model and recognize an object in the input image based on the extracted features. The single recognition model may include at least one compression layer configured to compress input information and at least one decompression layer configured to decompress the compressed information to determine the features.
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公开(公告)号:US20240087358A1
公开(公告)日:2024-03-14
申请号:US18515798
申请日:2023-11-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Youngjun KWAK , Minsu KO , Youngsung KIM , Heewon KIM , Ju Hwan SONG , Byung In YOO , Seon Min RHEE , Yong-il LEE , Jiho CHOI , Seungju HAN
CPC classification number: G06V40/166 , G06F21/32 , G06T7/0012 , G06T7/73 , G06V10/143 , G06V40/161 , G06V40/168 , G06V40/40 , G06T2207/10028 , G06T2207/10048 , G06T2207/30201
Abstract: A processor-implemented method includes generating a preprocessed infrared (IR) image by performing first preprocessing based on an IR image including an object; generating a preprocessed depth image by performing second preprocessing based on a depth image including the object; and determining whether the object is a genuine object based on the preprocessed IR image and the preprocessed depth image
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公开(公告)号:US20230306791A1
公开(公告)日:2023-09-28
申请号:US18197883
申请日:2023-05-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Solae LEE , Youngjun KWAK , Sungheon PARK , Byung In YOO , Yong-Il LEE , Hana LEE , Jiho CHOI , Jaejoon HAN
CPC classification number: G06V40/45 , G06T5/003 , G06T5/20 , G06V10/30 , G06V40/161 , G06T2207/20084 , G06T2207/30201
Abstract: A processor-implemented method with liveness detection includes: receiving a plurality of phase images of different phases; generating a plurality of preprocessed phase images by performing preprocessing, including edge enhancement processing, on the plurality of phase images of different phases; generating a plurality of differential images based on the preprocessed phase images; generating a plurality of low-resolution differential images having lower resolutions than the differential images, based on the differential images; generating a minimum map image based on the low-resolution differential images; and performing a liveness detection on an object in the phase images based on the minimum map image.
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公开(公告)号:US20230112452A1
公开(公告)日:2023-04-13
申请号:US17991213
申请日:2022-11-21
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hana LEE , Youngjun KWAK , Sungheon PARK , Hyeongwook YANG , Byung In YOO , Juwoan YOO , Solae LEE , Yong-Il LEE , Jiho CHOI
Abstract: Disclosed is a method and apparatus for testing a liveness, where the liveness test method includes receiving a color image and a photodiode (PD) image of an object from an image sensor comprising a pixel formed of a plurality of PDs, preprocessing the color image and the PD image, and determining a liveness of the object by inputting a result of preprocessing the color image and a result of preprocessing the PD image into a neural network.
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公开(公告)号:US20220027649A1
公开(公告)日:2022-01-27
申请号:US17313437
申请日:2021-05-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Solae LEE , Youngjun KWAK , Sungheon PARK , Byung In YOO , Yong-Il LEE , Hana LEE , Jiho CHOI , Jaejoon HAN
Abstract: A processor-implemented method with liveness detection includes: receiving a plurality of phase images of different phases; generating a plurality of preprocessed phase images by performing preprocessing, including edge enhancement processing, on the plurality of phase images of different phases; generating a plurality of differential images based on the preprocessed phase images; generating a plurality of low-resolution differential images having lower resolutions than the differential images, based on the differential images; generating a minimum map image based on the low-resolution differential images; and performing a liveness detection on an object in the phase images based on the minimum map image.
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公开(公告)号:US20210026446A1
公开(公告)日:2021-01-28
申请号:US16937722
申请日:2020-07-24
Applicant: Samsung Electronics Co., Ltd.
Inventor: Yongchao LIU , Hui ZHANG , Xiabing LIU , Byung In YOO , Chang Kyu CHOI , Jaejoon HAN , Youngjun KWAK , Tianchu GUO
Abstract: A gaze tracking method and apparatus, and a gaze tracking neural network training method and apparatus are provided. The gaze tracking apparatus includes one or more processors and a memory, and the one or more processors obtain output position information from an input face image of a user using a neural network model, determines a position adjustment parameter for the user, and predicts gaze position information of the user by adjusting the output position information based on the position adjustment parameter.
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