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1. 发明申请

US20190174068A1 PEOPLE DETECTION METHOD FOR AUTO-FRAMING AND TRACKING IN A VIDEO CONFERENCE 审中-公开
公开(公告)号：US20190174068A1
公开(公告)日：2019-06-06
申请号：US16227815
申请日：2018-12-20
申请人： Polycom, Inc.
发明人： Xiangdong Wang , Yibo Liu , Jinwei Feng , Edmund Thompson , Peter Chu
IPC分类号： H04N5/232 , H04N7/15 , H04N5/247 , G06T7/20 , H04N7/14 , G06K9/00
CPC分类号： H04N5/23296 , G06K9/00234 , G06K9/00255 , G06K9/00369 , G06T7/20 , G06T2207/10016 , G06T2207/30201 , H04N5/2258 , H04N5/23219 , H04N5/23254 , H04N5/23299 , H04N5/247 , H04N7/147 , H04N7/15 , H04N7/152
摘要： A videoconference apparatus and method coordinates a stationary view obtained with a stationary camera to an adjustable view obtained with an adjustable camera. The stationary camera can be a web camera, while the adjustable camera can be a pan-tilt-zoom camera. As the stationary camera obtains video, participants are detected and localized by establishing a static perimeter around a participant in which no motion is detected. Thereafter, if no motion is detected in the perimeter, any personage objects such as head, face, or shoulders which are detected in the region bounded by the perimeter are determined to correspond to the participant.

2. 发明申请

US20190007623A1 PEOPLE DETECTION METHOD FOR AUTO-FRAMING AND TRACKING IN A VIDEO CONFERENCE 审中-公开
公开(公告)号：US20190007623A1
公开(公告)日：2019-01-03
申请号：US15640371
申请日：2017-06-30
申请人： Polycom, Inc.
发明人： Xiangdong Wang , Yibo Liu , Jinwei Feng , Edmund Thompson , Peter Chu
IPC分类号： H04N5/232 , G06K9/00 , H04N5/247 , G06T7/20 , H04N7/15
摘要： A videoconference apparatus and method coordinates a stationary view obtained with a stationary camera to an adjustable view obtained with an adjustable camera. The stationary camera can be a web camera, while the adjustable camera can be a pan-tilt-zoom camera. As the stationary camera obtains video, participants are detected and localized by establishing a static perimeter around a participant in which no motion is detected. Thereafter, if no motion is detected in the perimeter, any personage objects such as head, face, or shoulders which are detected in the region bounded by the perimeter are determined to correspond to the participant.

3. 发明授权

US09392221B2 Videoconferencing endpoint having multiple voice-tracking cameras 有权
公开(公告)号：US09392221B2
公开(公告)日：2016-07-12
申请号：US13786260
申请日：2013-03-05
申请人： Polycom, Inc.
发明人： Jinwei Feng , Peter Chu , Wayne Dunlap , Jonathan Gallmeier
IPC分类号： H04N7/15 , H04N7/14
CPC分类号： H04N7/15 , H04N7/142 , H04N7/147
摘要： A videoconferencing apparatus automatically tracks speakers in a room and dynamically switches between a controlled, people-view camera and a fixed, room-view camera. When no one is speaking, the apparatus shows the room view to the far-end. When there is a dominant speaker in the room, the apparatus directs the people-view camera at the dominant speaker and switches from the room-view camera to the people-view camera. When there is a new speaker in the room, the apparatus switches to the room-view camera first, directs the people-view camera at the new speaker, and then switches to the people-view camera directed at the new speaker. When there are two near-end speakers engaged in a conversation, the apparatus tracks and zooms-in the people-view camera so that both speakers are in view.

4. 发明授权

US09282405B2 Automatic microphone muting of undesired noises by microphone arrays 有权
标题翻译：通过麦克风阵列自动麦克风静音不需要的噪音
公开(公告)号：US09282405B2
公开(公告)日：2016-03-08
申请号：US13865001
申请日：2013-04-17
申请人： Polycom, Inc.
发明人： Jinwei Feng , Peter L. Chu
IPC分类号： H04R3/00 , H04N7/15 , H04R3/02
CPC分类号： H04R3/005 , H04N7/15 , H04R3/02 , H04R2430/01
摘要： Methods and systems for cancellation of table noise in a speaker system used for video or audio conferencing are disclosed. Table noise is cancelled by using a vertical microphone array to distinguish the tilt angle of sound received by a microphone. If the sound is close to horizontal, the audio is muted. If the sound is above a given angle from horizontal, it is not muted, as this indicates a person speaking. This eliminates paper rustling, keyboard clicks and the like.
摘要翻译：公开了用于视频或音频会议的扬声器系统中用于消除表格噪声的方法和系统。通过使用垂直麦克风阵列来消除麦克风接收的声音的倾斜角来消除表噪声。如果声音接近水平，则音频静音。如果声音高于水平的给定角度，则不会静音，因为这表示一个人在说话。这消除了纸沙沙声，键盘敲击等。

5. 发明申请

US20190156849A1 INTERFERENCE-FREE AUDIO PICKUP IN A VIDEO CONFERENCE 审中-公开
公开(公告)号：US20190156849A1
公开(公告)日：2019-05-23
申请号：US16178841
申请日：2018-11-02
申请人： Polycom, Inc.
发明人： Jinwei Feng , Peter Chu
IPC分类号： G10L21/0216 , H04N7/14 , H04S7/00 , H04N5/232 , H04N7/15 , G10L25/57
摘要： A videoconference apparatus at a first location detects audio from a location and determines whether the sound should be included in an audio-video stream sent to a second location, or excluded as an interfering noise. Determining whether to include the audio involves using a face detector to see if there is a face at the source of the sound. If a face is present, the audio data from the location will be transmitted to the second location. If a face is not present, additional motion checks are performed to determine whether the sound corresponds to a person talking, (such as a presenter at a meeting), or whether the sound is instead unwanted noise.

6. 发明授权

US10134414B1 Interference-free audio pickup in a video conference 有权
公开(公告)号：US10134414B1
公开(公告)日：2018-11-20
申请号：US15640385
申请日：2017-06-30
申请人： Polycom, Inc.
发明人： Jinwei Feng , Peter Chu
IPC分类号： G10L21/02 , H04N7/15 , G10L21/0216 , H04R1/40 , H04R3/00 , H04N5/232 , G10L25/57 , G10L21/0208
摘要： A videoconference apparatus at a first location detects audio from a location and determines whether the sound should be included in an audio-video stream sent to a second location, or excluded as an interfering noise. Determining whether to include the audio involves using a face detector to see if there is a face at the source of the sound. If a face is present, the audio data from the location will be transmitted to the second location. If a face is not present, additional motion checks are performed to determine whether the sound corresponds to a person talking, (such as a presenter at a meeting), or whether the sound is instead unwanted noise.

7. 发明授权

US10091412B1 Optimal view selection method in a video conference 有权
公开(公告)号：US10091412B1
公开(公告)日：2018-10-02
申请号：US15640358
申请日：2017-06-30
申请人： Polycom, Inc.
发明人： Jinwei Feng , Peter Chu
IPC分类号： H04N7/15 , H04N5/232 , H04M3/56
摘要： A system for ensuring that the best available view of a person's face is included in a video stream when the person's face is being captured by multiple cameras at multiple angles at a first endpoint. The system uses one or more microphone arrays to capture direct-reverberant ratio information corresponding to the views, and determines which view most closely matches a view of the person looking directly at the camera, thereby improving the experience for viewers at a second endpoint.

8. 发明授权

US09912908B2 System and method for localizing a talker using audio and video information 有权
公开(公告)号：US09912908B2
公开(公告)日：2018-03-06
申请号：US15369576
申请日：2016-12-05
申请人： Polycom, Inc.
发明人： Jinwei Feng
IPC分类号： H04N7/15 , G06K9/00 , G06K9/52 , H04N7/14 , G06T7/20 , H04R1/40
CPC分类号： H04N7/15 , G06K9/00228 , G06K9/00718 , G06K9/52 , G06T7/20 , G06T2207/10016 , H04N7/142 , H04R1/406
摘要： A videoconferencing endpoint includes at least one processor a number of microphones and at least one camera. The endpoint can receive audio information and visual motion information during a teleconferencing session. The audio information includes one or more angles with respect to the microphone from a location of a teleconferencing session. The audio information is evaluated automatically to determine at least one candidate angle corresponding to a possible location of an active talker. The candidate angle can be analyzed further with respect to the motion information to determine whether the candidate angle correctly corresponds to person who is speaking during the teleconferencing session.

9. 发明申请

US20140270302A1 LOUDSPEAKER ARRANGEMENT WITH ON-SCREEN VOICE POSITIONING FOR TELEPRESENCE SYSTEM 有权
标题翻译：用于电视系统的屏幕定位的扬声器布置
公开(公告)号：US20140270302A1
公开(公告)日：2014-09-18
申请号：US14201348
申请日：2014-03-07
申请人： POLYCOM, INC.
发明人： Michael A. Pocino , Kwan K. Truong , Jinwei Feng , James M. Sharp
IPC分类号： H04R1/02 , H04N7/15
CPC分类号： H04R1/028 , H04N7/142 , H04N7/15 , H04R5/04 , H04R27/00 , H04R2499/15 , H04S1/00 , H04S3/00 , H04S2400/15
摘要： A videoconferencing system has a plurality of displays arranged side-by-side. Top loudspeakers are arranged adjacent the tops of the displays, and bottom loudspeakers are arranged adjacent the bottoms of the displays. A control unit operatively coupled to the displays and the loudspeakers routes video to each of the displays and routes audio corresponding to each display to any of the top and bottom loudspeakers arranged adjacent the display. Thus, the top and bottom loudspeakers form a vertical pair of loudspeakers that output the corresponding audio for its respective display. In this way, the audio for the video of a given display is perceived by participants to originate from the center of the given display. If one of the loudspeakers is not provided, gain setting and mixing between adjacent sets of loudspeakers can produce a virtual loudspeaker for the one that is missing.
摘要翻译：视频会议系统具有并排布置的多个显示器。顶部扬声器布置在显示器的顶部附近，并且底部扬声器布置在显示器的底部附近。可操作地耦合到显示器和扬声器的控制单元将视频路由到每个显示器，并将对应于每个显示器的音频路由到与显示器相邻布置的顶部和底部扬声器中的任一个。因此，顶部和底部扬声器形成垂直的一对扬声器，其输出相应的音频以用于其相应的显示器。以这种方式，给定显示器的视频的音频被参与者感知为源自给定显示器的中心。如果没有提供其中一个扬声器，相邻扬声器组之间的增益设置和混音可以为缺失的扬声器产生虚拟扬声器。

10. 发明授权

US10939045B2 People detection method for auto-framing and tracking in a video conference 有权
公开(公告)号：US10939045B2
公开(公告)日：2021-03-02
申请号：US16740180
申请日：2020-01-10
申请人： Polycom, Inc.
发明人： Xiangdong Wang , Yibo Liu , Jinwei Feng , Edmund Thompson , Peter Chu
IPC分类号： H04N5/232 , G06K9/00 , H04N5/247 , G06T7/20 , H04N7/15 , H04N7/14 , H04N5/225
摘要： A videoconference apparatus and method coordinates a stationary view obtained with a stationary camera to an adjustable view obtained with an adjustable camera. The stationary camera can be a web camera, while the adjustable camera can be a pan-tilt-zoom camera. As the stationary camera obtains video, participants are detected and localized by establishing a static perimeter around a participant in which no motion is detected. Thereafter, if no motion is detected in the perimeter, any personage objects such as head, face, or shoulders which are detected in the region bounded by the perimeter are determined to correspond to the participant.

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