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1. 发明申请

US20190104255A1 Video Stabilization 审中-公开
公开(公告)号：US20190104255A1
公开(公告)日：2019-04-04
申请号：US15724241
申请日：2017-10-03
申请人： Google LLC
发明人： Fuhao Shi , Chia-Kai Liang , Xue Tu
IPC分类号： H04N5/232
CPC分类号： H04N5/23287 , G06T5/003 , G06T5/50 , G06T7/246 , G06T2207/10016 , G06T2207/20201 , H04N5/23254 , H04N5/23258 , H04N5/23267
摘要： Methods, systems, and apparatus, including computer programs stored on a computer-readable storage medium, for video stabilization. In some implementations, a computer system obtains frames of a video captured by a recording device using an optical image stabilization (OIS) system. The computing system receives (i) OIS position data indicating positions of the OIS system during capture of the frames, and (ii) device position data indicating positions of the recording device during capture of the frames. The computing system determines a first transformation for a particular frame based on the OIS position data for the particular frame and device position data for the particular frame. The computing system determines a second transformation for the particular frame based on the first transformation and positions of the recording device occurring after capture of the particular frame. The computing system generates a stabilized version of the particular frame using the second transformation.

2. 发明申请

US20200007770A1 Video Stabilization 审中-公开
公开(公告)号：US20200007770A1
公开(公告)日：2020-01-02
申请号：US16568931
申请日：2019-09-12
申请人： Google LLC
发明人： Fuhao Shi , Chia-Kai Liang , Xue Tu
IPC分类号： H04N5/232
摘要： Methods, systems, and apparatus, including computer programs stored on a computer-readable storage medium, for video stabilization. In some implementations, a computer system obtains frames of a video captured by a recording device using an optical image stabilization (OIS) system. The computing system receives (i) OIS position data indicating positions of the OIS system during capture of the frames, and (ii) device position data indicating positions of the recording device during capture of the frames. The computing system determines a first transformation for a particular frame based on the OIS position data for the particular frame and device position data for the particular frame. The computing system determines a second transformation for the particular frame based on the first transformation and positions of the recording device occurring after capture of the particular frame. The computing system generates a stabilized version of the particular frame using the second transformation.

3. 发明授权

US11064119B2 Video stabilization 有权
公开(公告)号：US11064119B2
公开(公告)日：2021-07-13
申请号：US16568931
申请日：2019-09-12
申请人： Google LLC
发明人： Fuhao Shi , Chia-Kai Liang , Xue Tu
IPC分类号： H04N5/232 , G06T5/00 , G06T5/50 , G06T7/246
摘要： Methods, systems, and apparatus, including computer programs stored on a computer-readable storage medium, for video stabilization. In some implementations, a computer system obtains frames of a video captured by a recording device using an optical image stabilization (OIS) system. The computing system receives (i) OIS position data indicating positions of the OIS system during capture of the frames, and (ii) device position data indicating positions of the recording device during capture of the frames. The computing system determines a first transformation for a particular frame based on the OIS position data for the particular frame and device position data for the particular frame. The computing system determines a second transformation for the particular frame based on the first transformation and positions of the recording device occurring after capture of the particular frame. The computing system generates a stabilized version of the particular frame using the second transformation.

4. 发明申请

US20210289139A1 Video Stabilization 有权
公开(公告)号：US20210289139A1
公开(公告)日：2021-09-16
申请号：US17336194
申请日：2021-06-01
申请人： Google LLC
发明人： Fuhao Shi , Chia-Kai Liang , Xue Tu
IPC分类号： H04N5/232 , G06T5/00 , G06T5/50 , G06T7/246
摘要： Methods, systems, and apparatus, including computer programs stored on a computer-readable storage medium, for video stabilization. In some implementations, a computer system obtains frames of a video captured by a recording device using an optical image stabilization (OIS) system. The computing system receives (i) OIS position data indicating positions of the OIS system during capture of the frames, and (ii) device position data indicating positions of the recording device during capture of the frames. The computing system determines a first transformation for a particular frame based on the OIS position data for the particular frame and device position data for the particular frame. The computing system determines a second transformation for the particular frame based on the first transformation and positions of the recording device occurring after capture of the particular frame. The computing system generates a stabilized version of the particular frame using the second transformation.

5. 发明授权

US10462370B2 Video stabilization 有权
公开(公告)号：US10462370B2
公开(公告)日：2019-10-29
申请号：US15724241
申请日：2017-10-03
申请人： Google LLC
发明人： Fuhao Shi , Chia-Kai Liang , Xue Tu
IPC分类号： H04N5/228 , H04N5/232 , G06T5/00 , G06T5/50 , G06T7/246
摘要： Methods, systems, and apparatus, including computer programs stored on a computer-readable storage medium, for video stabilization. In some implementations, a computer system obtains frames of a video captured by a recording device using an optical image stabilization (OIS) system. The computing system receives (i) OIS position data indicating positions of the OIS system during capture of the frames, and (ii) device position data indicating positions of the recording device during capture of the frames. The computing system determines a first transformation for a particular frame based on the OIS position data for the particular frame and device position data for the particular frame. The computing system determines a second transformation for the particular frame based on the first transformation and positions of the recording device occurring after capture of the particular frame. The computing system generates a stabilized version of the particular frame using the second transformation.

6. 发明授权

US10200613B2 Video stabilization for mobile devices 有权
公开(公告)号：US10200613B2
公开(公告)日：2019-02-05
申请号：US15848289
申请日：2017-12-20
申请人： Google LLC
发明人： Chia-Kai Liang , Xue Tu , Lun-Cheng Chu , Jianing Wei
IPC分类号： H04N5/228 , H04N5/232 , G06T7/20
摘要： The disclosed technology includes techniques for providing improved video stabilization on a mobile device. Using gyroscope data of the mobile device, the physical camera orientation of the mobile device may be estimated over time. Using the physical camera orientation and historical data, corresponding virtual camera orientations representing a camera orientation with undesired rotational movement removed may be modeled using a non-linear filter to provide for mapping of a real image to a stabilized virtual image. The virtual camera orientation may be modified to prevent undefined pixels from appearing in the output image.

7. 发明申请

US20180115714A1 VIDEO STABILIZATION FOR MOBILE DEVICES 审中-公开
公开(公告)号：US20180115714A1
公开(公告)日：2018-04-26
申请号：US15848289
申请日：2017-12-20
申请人： Google LLC
发明人： Chia-Kai Liang , Xue Tu , Lun-Cheng Chu , Jianing Wei
IPC分类号： H04N5/232
CPC分类号： H04N5/23267 , G06T7/20 , H04N5/23248 , H04N5/23258 , H04N5/23261 , H04N5/23264 , H04N5/2329
摘要： The disclosed technology includes techniques for providing improved video stabilization on a mobile device. Using gyroscope data of the mobile device, the physical camera orientation of the mobile device may be estimated over time. Using the physical camera orientation and historical data, corresponding virtual camera orientations representing a camera orientation with undesired rotational movement removed may be modeled using a non-linear filter to provide for mapping of a real image to a stabilized virtual image. The virtual camera orientation may be modified to prevent undefined pixels from appearing in the output image.

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