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公开(公告)号:US10248845B2
公开(公告)日:2019-04-02
申请号:US14816450
申请日:2015-08-03
Applicant: Samsung Electronics Co., Ltd.
Inventor: Seungju Han , Sungjoo Suh , Jungbae Kim , Jaejoon Han
Abstract: A facial recognition method includes identifying a first makeup pattern in a region of interest (ROI) of a first image, applying one of the first makeup pattern and a candidate makeup pattern to a ROI of a second image corresponding to the ROI of the first image to generate a third image and recognizing a face based on the first image and the third image.
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公开(公告)号:US10210379B2
公开(公告)日:2019-02-19
申请号:US14816149
申请日:2015-08-03
Applicant: Samsung Electronics Co., Ltd.
Inventor: Sungjoo Suh , Seungju Han , Jaejoon Han
IPC: G06K9/00
Abstract: At least one example embodiment discloses a method of extracting a feature from an input image. The method may include detecting landmarks from the input image, detecting physical characteristics between the landmarks based on the landmarks, determining a target area of the input image from which at least one feature is to be extracted and an order of extracting the feature from the target area based on the physical characteristics and extracting the feature based on the determining.
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公开(公告)号:US10140500B2
公开(公告)日:2018-11-27
申请号:US14933614
申请日:2015-11-05
Applicant: Samsung Electronics Co., Ltd.
Inventor: Chang Kyu Choi , Wonjun Kim , Sungjoo Suh , Byungin Yoo , Jaejoon Han
Abstract: A fingerprint recognition method includes determining a code corresponding to a query image based on features of blocks in the query image, obtaining information corresponding to the determined code from a lookup table, and verifying the query image based on the obtained information.
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公开(公告)号:US09875418B2
公开(公告)日:2018-01-23
申请号:US15082193
申请日:2016-03-28
Applicant: Samsung Electronics Co., Ltd.
Inventor: Wonjun Hwang , Changkyo Lee , Jaejoon Han
CPC classification number: G06K9/00885 , G06K9/00604 , G06K9/0061 , G06K9/3233
Abstract: A method of detecting a biometric region, the method including receiving an input image; setting a plurality of regions of interest (ROI) corresponding to a plurality classifiers, respectively, the plurality of classifiers corresponding to a plurality of multi-stages, respectively, the plurality of ROIs having different sizes with respect to each other, each ROI of the plurality of ROIs including a biometric region of the input image; calculating a plurality of similarity values for the plurality of classifiers, respectively, based on the ROIs corresponding to the plurality of classifiers from among the plurality of ROIs; and detecting a first biometric region for a user authentication based on at least one of the plurality of similarity values.
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公开(公告)号:US20170236000A1
公开(公告)日:2017-08-17
申请号:US15268988
申请日:2016-09-19
Applicant: Samsung Electronics Co., Ltd. , Northeastern University
Inventor: Wonjun Hwang , Sungjoo Suh , Jaejoon Han , Chang Kyu Choi , Yun Fu , Zhengming Ding , Ming Shao
CPC classification number: G06K9/00268 , G06K9/00228 , G06K9/00275 , G06K9/00288 , G06K9/6215 , G06K9/6234 , G06K9/6269
Abstract: A method of converting a vector corresponding to an input image includes receiving input vector data associated with an input image including an object; and converting the received input vector data into feature data based on a projection matrix having a fixed rank, wherein a first dimension of the input vector data is higher than a second dimension of the feature data.
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公开(公告)号:US09547790B2
公开(公告)日:2017-01-17
申请号:US14641787
申请日:2015-03-09
Applicant: Samsung Electronics Co., Ltd.
Inventor: Wonjun Kim , Sungjoo Suh , Jaejoon Han
CPC classification number: G06K9/00275 , G06K9/4642 , G06K9/6232
Abstract: A method and apparatus for processing an image is disclosed, wherein the apparatus for processing the image may set blocks in an input image, perform an orthogonal transform on pixel values in the blocks, obtain orthogonal transform coefficients, and generate a resulting image by normalizing the obtained orthogonal transform coefficients.
Abstract translation: 公开了一种用于处理图像的方法和装置,其中用于处理图像的装置可以在输入图像中设置块,对块中的像素值执行正交变换,获得正交变换系数,并通过归一化 获得正交变换系数。
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公开(公告)号:US12300038B2
公开(公告)日:2025-05-13
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
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:US12153657B2
公开(公告)日:2024-11-26
申请号:US17671747
申请日:2022-02-15
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jiwon Baek , Seungju Han , Kikyung Kim , Insoo Kim , Jaejoon Han
Abstract: A method with access authority management includes: receiving an input image comprising a region of at least one portion of a body of a user; determining whether the user corresponds to multiple users or a single user using the region of the at least one portion of the body; performing a verification for the user based on a face region in the input image, in response to the determination that the user is the single user; determining whether the input image is a real image or a spoofed image based on whether the verification is successful; and allowing an access authority to a system to the user, in response to the determination that the input image is the real image.
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公开(公告)号:US12039449B2
公开(公告)日:2024-07-16
申请号:US17119381
申请日:2020-12-11
Inventor: Seong-Jin Park , Sung Ju Hwang , Seungju Han , Insoo Kim , Jiwon Baek , Jaejoon Han
IPC: G06N3/08 , G06F17/18 , G06F18/10 , G06F18/213 , G06F18/2415 , G06F18/2431 , G06N3/082 , G06V10/44 , G06V10/764 , G06V10/774 , G06V40/16
CPC classification number: G06N3/082 , G06F17/18 , G06F18/10 , G06F18/213 , G06F18/2415 , G06F18/2431 , G06N3/08 , G06V10/454 , G06V10/764 , G06V10/774 , G06V40/168 , G06V40/174
Abstract: A processor-implemented neural network method includes: extracting, by a feature extractor of a neural network, a plurality of training feature vectors corresponding to a plurality of training class data of each of a plurality of classes including a first class and a second class; determining, by a feature sample generator of the neural network, an additional feature vector of the second class based on a mean vector and a variation vector of the plurality of training feature vectors of each of the first class and the second class; and training a class vector of the second class included in a classifier of the neural network based on the additional feature vector and the plurality of training feature vectors of the second class.
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公开(公告)号:US12014529B2
公开(公告)日:2024-06-18
申请号:US17153018
申请日:2021-01-20
Applicant: Samsung Electronics Co., Ltd.
Inventor: Tianchu Guo , Hui Zhang , Xiabing Liu , ByungIn Yoo , ChangKyu Choi , Jaejoon Han , YoungJun Kwak , Yongchao Liu
CPC classification number: G06V10/40 , G06N3/08 , G06T3/10 , G06T5/50 , G06V10/809 , G06V10/82 , G06V40/168 , G06V40/193
Abstract: An image processing method and apparatus using a neural network are provided. The image processing method includes generating a plurality of augmented features by augmenting an input feature, and generating a prediction result based on the plurality of augmented features.
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