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公开(公告)号：US11308706B2
公开(公告)日：2022-04-19
申请号：US16927273
申请日：2020-07-13
Applicant: Snap Inc.
Inventor： Jia Li , Linjie Luo , Rahul Bhupendra Sheth , Ning Xu , Jianchao Yang
Abstract: Systems and methods for local augmented reality (AR) tracking of an AR object are disclosed. In one example embodiment a device captures a series of video image frames. A user input is received at the device associating a first portion of a first image of the video image frames with an AR sticker object and a target. A first target template is generated to track the target across frames of the video image frames. In some embodiments, global tracking based on a determination that the target is outside a boundary area is used. The global tracking comprises using a global tracking template for tracking movement in the video image frames captured following the determination that the target is outside the boundary area. When the global tracking determines that the target is within the boundary area, local tracking is resumed along with presentation of the AR sticker object on an output display of the device.
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公开(公告)号：US20210295874A1
公开(公告)日：2021-09-23
申请号：US17303817
申请日：2021-06-08
Applicant: Snap Inc.
Inventor： Jia Li , Nathan Litke , Jose Jesus (Joseph) Paredes , Rahul Bhupendra Sheth , Daniel Szeto , Ning Xu , Jianchao Yang
IPC: G11B27/10 , G11B27/031
Abstract: Systems and methods are described for determining a first media item related to an event, of a plurality of stored media items each comprising video content related to the event, that was captured in a device orientation corresponding to a first device orientation detected for the first computing device; providing, to the first computing device, the first media item to be displayed on the first computing device; in response to a detected change to a second device orientation for the first computing device, determining a second media item that was captured in a device orientation corresponding to the second device orientation detected for the first computing device; and providing, to the first computing device, the second media item to be displayed on the first computing device.
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公开(公告)号：US11122218B2
公开(公告)日：2021-09-14
申请号：US16722721
申请日：2019-12-20
Applicant: Snap Inc.
Inventor： Jia Li , Nathan Litke , Jose Jesus (Joseph) Paredes , Rahul Bhupendra Sheth , Daniel Szeto , Ning Xu , Jianchao Yang
Abstract: Systems and methods are described for determining that the user interaction with a display of a computing device during display of a video comprising a sequence of frames indicates a region of interest in a current frame of the sequence of frames of the displayed video. For each frame of the sequence of frames after the current frame, the frame is cropped to generate a cropped frame comprising a portion of the frame including the region of interest in the frame, the cropped frame is enlarged based on a display size corresponding to an angle or orientation of the computing device during display of the video, and the enlarged cropped frame replaces the frame such that the enlarged cropped frame is displayed in the sequence of frames of the video on the display of the computing device instead of the frame.
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公开(公告)号：US11100311B2
公开(公告)日：2021-08-24
申请号：US16509083
申请日：2019-07-11
Applicant: Snap Inc.
Inventor： Jia Li , Xutao Lv , Xiaoyu Wang , Xuehan Xiong , Jianchao Yang
Abstract: Systems, devices, media, and methods are presented for modeling facial representations using image segmentation with a client device. The systems and methods receive an image depicting a face, detect at least a portion of the face within the image, and identify a set of facial features within the portion of the face. The systems and methods generate a descriptor function representing the set of facial features, fit object functions of the descriptor function, identify an identification probability for each facial feature, and assign an identification to each facial feature.
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公开(公告)号：US10726306B1
公开(公告)日：2020-07-28
申请号：US16226035
申请日：2018-12-19
Applicant: Snap Inc.
Inventor： Linjie Yang , Kevin Dechau Tang , Jianchao Yang , Jia Li
Abstract: A dense captioning system and method is provided for analyzing an image to generate proposed bounding regions for a plurality of visual concepts within the image, generating a region feature for each proposed bounding region to generate a plurality of region features of the image, and determining a context feature for the image using a proposed bounding region that is a largest in size of the proposed bounding regions. For each region feature of the plurality of region features of the image, the dense captioning system and method further provides for analyzing the region feature to determine for the region feature a detection score that indicates a likelihood that the region feature comprises an actual object, and generating a caption for a visual concept in the image using the region feature and the context feature when a detection score is above a specified threshold value.
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Patent Agency Ranking
公开(公告)号：US10395100B1
公开(公告)日：2019-08-27
申请号：US16226084
申请日：2018-12-19
Applicant: Snap Inc.
Inventor： Jia Li , Xutao Lv , Xiaoyu Wang , Xuehan Xiong , Jianchao Yang
Abstract: Systems, devices, media, and methods are presented for modeling facial representations using image segmentation with a client device. The systems and methods receive an image depicting a face, detect at least a portion of the face within the image, and identify a set of facial features within the portion of the face. The systems and methods generate a descriptor function representing the set of facial features, fit object functions of the descriptor function, identify an identification probability for each facial feature, and assign an identification to each facial feature.
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公开(公告)号：US10198626B2
公开(公告)日：2019-02-05
申请号：US15297789
申请日：2016-10-19
Applicant: Snap Inc.
Inventor： Jia Li , Xutao Lv , Xiaoyu Wang , Xuehan Xiong , Jianchao Yang
Abstract: Systems, devices, media, and methods are presented for modeling facial representations using image segmentation with a client device. The systems and methods receive an image depicting a face, detect at least a portion of the face within the image, and identify a set of facial features within the portion of the face. The systems and methods generate a descriptor function representing the set of facial features, fit object functions of the descriptor function, identify an identification probability for each facial feature, and assign an identification to each facial feature.
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公开(公告)号：US10157333B1
公开(公告)日：2018-12-18
申请号：US15247697
申请日：2016-08-25
Applicant: Snap Inc.
Inventor： Xiaoyu Wang , Ning Xu , Ning Zhang , Vitor R. Carvalho , Jia Li
Abstract: Systems, methods, devices, media, and computer readable instructions are described for local image tagging in a resource constrained environment. One embodiment involves processing image data using a deep convolutional neural network (DCNN) comprising at least a first subgraph and a second subgraph, the first subgraph comprising at least a first layer and a second layer, processing, the image data using at least the first layer of the first subgraph to generate first intermediate output data; processing, by the mobile device, the first intermediate output data using at least the second layer of the first subgraph to generate first subgraph output data, and in response to a determination that each layer reliant on the first intermediate data have completed processing, deleting the first intermediate data from the mobile device. Additional embodiments involve convolving entire pixel resolutions of the image data against kernels in different layers if the DCNN.
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公开(公告)号：US20240282330A1
公开(公告)日：2024-08-22
申请号：US18649278
申请日：2024-04-29
Applicant: Snap Inc.
CPC classification number: G10L25/30 , G06F18/24 , G06N3/045 , G06V10/764 , G06V10/82 , G06V20/00 , H04S7/40
Abstract: An acoustic environment identification system is disclosed that can use neural networks to accurately identify environments. The acoustic environment identification system can use one or more convolutional neural networks to generate audio feature data. A recursive neural network can process the audio feature data to generate characterization data. The characterization data can be modified using a weighting system that weights signature data items. Classification neural networks can be used to generate a classification of an environment.
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公开(公告)号：US11895068B2
公开(公告)日：2024-02-06
申请号：US17372981
申请日：2021-07-12
Applicant: Snap Inc.
Inventor： Jianchao Yang , Yuke Zhu , Ning Xu , Kevin Dechau Tang , Jia Li
IPC: H04L51/10 , G06F16/22 , G06F16/51 , G06F16/583 , G06N20/00 , G06F16/9535 , G06F16/954 , G06F16/2457 , G06F16/951 , G06N3/04 , G06N3/08 , G06V20/00 , H04L51/52 , G06T7/00 , H04L67/01 , H04L67/55
CPC classification number: H04L51/10 , G06F16/22 , G06F16/24578 , G06F16/51 , G06F16/5854 , G06F16/951 , G06F16/954 , G06F16/9535 , G06N3/04 , G06N3/08 , G06N20/00 , G06V20/35 , H04L51/52 , G06T7/0002 , G06T2207/20084 , G06T2207/30168 , H04L67/01 , H04L67/55
Abstract: Systems, devices, methods, media, and instructions for automated image processing and content curation are described. In one embodiment a server computer system receives a plurality of content communications from a plurality of client devices, each content communication comprising an associated piece of content and a corresponding metadata. Each content communication is processed to determine associated context values for each piece of content, each associated context value comprising at least one content value generated by machine vision processing of the associated piece of content. A first content collection is automatically generated based on context values, and a set of user accounts are associated with the collection. An identifier associated with the first content collection is published to user devices associated with user accounts. In various additional embodiments, different content values, image processing operations, and content selection operations are used to curate content collections.
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