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公开(公告)号:US11663728B2
公开(公告)日:2023-05-30
申请号:US17146752
申请日:2021-01-12
发明人: Jiaqian Yu , Jingtao Xu , Yiwei Chen , Byung In Yoo , Chang Kyu Choi , Hana Lee , Jaejoon Han , Qiang Wang
IPC分类号: G06T7/50 , H01L27/146
CPC分类号: G06T7/50 , H01L27/14605 , G06T2207/10024
摘要: A depth estimation method and apparatus are provided. The depth estimation method includes obtaining an image from an image sensor comprising upper pixels, each comprising N sub-pixels, obtaining N sub-images respectively corresponding to the N sub-pixels from the image, obtaining a viewpoint difference between the N sub-images using a first neural network, and obtaining a depth map of the image based on the viewpoint difference using a second neural network.
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公开(公告)号:US11514602B2
公开(公告)日:2022-11-29
申请号:US16722304
申请日:2019-12-20
发明人: Tianchu Guo , Hui Zhang , Xiabing Liu , Chang Kyu Choi , Jaejoon Han , Yongchao Liu
摘要: A gaze estimation method includes receiving, by a processor, input data including a current image and a previous image each including a face of a user, determining, by the processor, a gaze mode indicating a relative movement between the user and a camera that captured the current image and the previous image based on the input data, and estimating, by the processor, a gaze of the user based on the determined gaze mode, wherein the determined gaze mode is one of a plurality of gaze modes comprising a stationary mode and a motion mode.
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公开(公告)号:US11449971B2
公开(公告)日:2022-09-20
申请号:US16223382
申请日:2018-12-18
发明人: Minsu Ko , Seungju Han , Jaejoon Han , Jihye Kim , SungUn Park , Chang Kyu Choi
摘要: Disclosed is an image fusion method and apparatus. The fusion method includes detecting first feature points of an object in a first image frame from the first image frame; transforming the first image frame based on the detected first feature points and predefined reference points to generate a transformed first image frame; detecting second feature points of the object in a second image frame from the second image frame; transforming the second image frame based on the detected second feature points and the predefined reference points to generate a transformed second image frame; and generating a combined image by combining the transformed first image frame and the transformed second image frame.
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公开(公告)号:US11386701B2
公开(公告)日:2022-07-12
申请号:US16881436
申请日:2020-05-22
发明人: Seon Min Rhee , Jungbae Kim , Byungin Yoo , Jaejoon Han , Seungju Han
摘要: Face recognition of a face, to determine whether the face correlates with an enrolled face, may include generating a personalized three-dimensional (3D) face model based on a two-dimensional (2D) input image of the face, acquiring 3D shape information and a normalized 2D input image of the face based on the personalized 3D face model, generating feature information based on the 3D shape information and pixel color values of the normalized 2D input image, and comparing the feature information with feature information associated with the enrolled face. The feature information may include first and second feature information generated based on applying first and second deep neural network models to the pixel color values of the normalized 2D input image and the 3D shape information, respectively. The personalized 3D face model may be generated based on transforming a generic 3D face model based on landmarks detected in the 2D input image.
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公开(公告)号:US11276132B2
公开(公告)日:2022-03-15
申请号:US16929197
申请日:2020-07-15
发明人: Sangil Jung , Changyong Son , Jinwoo Son , Jaehyoung Yoo , Changin Choi , Jaejoon Han
摘要: Disclosed are an image data processing method and a sensor device performing the same. The sensor device includes an image sensor configured to acquire image data, an image buffer configured to store the image data, and an image processor configured to generate image-processed data by applying a filter corresponding to a storage pattern of the image buffer to the image data stored in the image buffer.
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公开(公告)号:US11093805B2
公开(公告)日:2021-08-17
申请号:US16426315
申请日:2019-05-30
发明人: Seungju Han , Sungjoo Suh , Jaejoon Han , Chang Kyu Choi
摘要: A method of recognizing a feature of an image may include receiving an input image including an object; extracting first feature information using a first layer of a neural network, the first feature information indicating a first feature corresponding to the input image among a plurality of first features; extracting second feature information using a second layer of the neural network, the second feature information indicating a second feature among a plurality of second features, the indicated second feature corresponding to the first feature information; and recognizing an element corresponding to the object based on the first feature information and the second feature information.
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公开(公告)号:US10817704B2
公开(公告)日:2020-10-27
申请号:US16234720
申请日:2018-12-28
发明人: Sungjoo Suh , Seungju Han , Jaejoon Han
IPC分类号: G06K9/00
摘要: 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:US10789455B2
公开(公告)日:2020-09-29
申请号:US16148587
申请日:2018-10-01
发明人: Byungin Yoo , Youngjun Kwak , Jungbae Kim , Jinwoo Son , Changkyo Lee , Chang Kyu Choi , Jaejoon Han
摘要: A liveness test method and apparatus is disclosed. A processor implemented liveness test method includes extracting an interest region of an object from a portion of the object in an input image, performing a liveness test on the object using a neural network model-based liveness test model, the liveness test model using image information of the interest region as provided first input image information to the liveness test model and determining liveness based at least on extracted texture information from the information of the interest region by the liveness test model, and indicating a result of the liveness test.
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公开(公告)号:US10726261B2
公开(公告)日:2020-07-28
申请号:US15791846
申请日:2017-10-24
发明人: Hyunjeong Lee , Sungjoo Suh , Changyong Son , Chang Kyu Choi , Jaejoon Han
摘要: Disclosed is a user recognition apparatus and method, the apparatus configured to determine a validity of an iris area for each frame, to perform an iris recognition when the iris area is valid, and to extract a facial feature for a fusion recognition when the iris area is invalid.
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公开(公告)号:US10395098B2
公开(公告)日:2019-08-27
申请号:US15268988
申请日:2016-09-19
发明人: Wonjun Hwang , Sungjoo Suh , Jaejoon Han , Chang Kyu Choi , Yun Fu , Zhengming Ding , Ming Shao
摘要: 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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