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1. 发明授权

US10009579B2 Method and system for counting people using depth sensor 有权
公开(公告)号：US10009579B2
公开(公告)日：2018-06-26
申请号：US13683886
申请日：2012-11-21
申请人： Pelco, Inc.
发明人： Lei Wang , Farzin Aghdasi
IPC分类号： H04N7/18 , G06K9/00
CPC分类号： H04N7/18 , G06K9/00201 , G06K9/00778
摘要： A sensor system according to an embodiment of the invention may process depth data and visible light data for a more accurate detection. Depth data assists where visible light images are susceptible to false positives. Visible light images (or video) may similarly enhance conclusions drawn from depth data alone. Detections may be object-based or defined with the context of a target object. Depending on the target object, the types of detections may vary to include motion and behavior. Applications of the described sensor system include motion guided interfaces where users may interact with one or more systems through gestures. The sensor system described may also be applied to counting systems, surveillance systems, polling systems, retail store analytics, or the like.

2. 发明申请

US20140139680A1 Method And System For Metadata Extraction From Master-Slave Cameras Tracking System 有权
标题翻译：主从相机跟踪系统元数据提取方法与系统
公开(公告)号：US20140139680A1
公开(公告)日：2014-05-22
申请号：US13682606
申请日：2012-11-20
申请人： PELCO, INC.
发明人： Chien-Min Huang , Farzin Aghdasi , Hongwei Zhu , Lei Wang , Zhan Jiang Ma
IPC分类号： H04N7/18
CPC分类号： H04N7/181 , G06K9/00771 , G06K9/209 , G06K9/6267 , G08B13/19608 , G08B13/19643 , G08B13/19671
摘要： An embodiment of the present invention includes a master camera that may record master metadata regarding an object of interest and communicate the master metadata to a slave camera. The slave camera may zoom, pan, or tilt to isolate and record more detailed image data regarding the object of interest based on the master metadata. In addition, the slave camera may record slave metadata regarding the object of interest. The master and slave metadata may be stored associated with the recorded image data enabling a later search for the object of interest to be expedited. The recorded image data including the object of interest may be identified with greater ease as it may be guided by the master or slave metadata, or a combination thereof. According to embodiments presented herein, processing time for searching and identifying an object of interest may be reduced by enabling a search on the metadata associated with image data, rather than by searching the image data itself.
摘要翻译：本发明的实施例包括可以记录关于感兴趣对象的主元数据并将主元数据传送到从照相机的主摄像机。从属照相机可以缩放，平移或倾斜以基于主元数据隔离并记录关于感兴趣对象的更详细的图像数据。此外，从属照相机可以记录关于感兴趣对象的从属元数据。主和从属元数据可以被存储与记录的图像数据相关联，使得能够加快对感兴趣对象的后续搜索。可以更容易地识别包括感兴趣对象的记录图像数据，因为它可以由主或从元数据或其组合来指导。根据本文呈现的实施例，可以通过对与图像数据相关联的元数据进行搜索而不是通过搜索图像数据本身来搜索和识别感兴趣对象的处理时间。

3. 发明申请

US20140139660A1 Method and Apparatus for Detecting People by a Surveillance System 有权
标题翻译：监控系统检测人员的方法与装置
公开(公告)号：US20140139660A1
公开(公告)日：2014-05-22
申请号：US13683977
申请日：2012-11-21
申请人： Pelco, Inc.
发明人： Hongwei Zhu , Lei Wang , Farzin Aghdasi , Greg M. Millar
IPC分类号： G06K9/00 , G06K9/62 , G06K9/34
CPC分类号： G06K9/00362 , G06K9/00369 , G06K9/00771 , G06K9/34 , G06K9/48 , G06K9/6267
摘要： Surveillance systems may be found in both private and public spaces. In private spaces, they can be designed to help provide and monitor secure premises. Similarly, public spaces may also use surveillance systems to determine an allocation of public resources. A camera surveillance system according to an embodiment of the invention uses advanced image processing techniques to determine whether an object moving across a scene is a person. The camera surveillance system achieves an accurate and efficient classification by selectively processing a set of features associated with the object, such as features that define an omega shape. By selectively processing the set of features associated with the object, the methods and systems described herein reduce the computational complexity of standard image processing/object detection techniques.
摘要翻译：监控系统可能在私人和公共场所都有。在私人空间，可以设计为帮助提供和监控安全场所。类似地，公共空间也可以使用监视系统来确定公共资源的分配。根据本发明的实施例的相机监视系统使用高级图像处理技术来确定跨场景移动的对象是否是人。相机监控系统通过选择性地处理与对象相关联的一组特征，例如定义Ω形的特征来实现精确和有效的分类。通过选择性地处理与对象相关联的特征集合，本文描述的方法和系统降低了标准图像处理/对象检测技术的计算复杂度。

4. 发明授权

US10134145B2 Method and apparatus for intelligent video pruning 有权
公开(公告)号：US10134145B2
公开(公告)日：2018-11-20
申请号：US15105897
申请日：2013-12-24
申请人： Pelco, Inc.
发明人： Lei Wang , Farzin Aghdasi , Greg M. Millar , Stephen J. Mitchell
IPC分类号： G06T7/254 , H04N19/172 , H04N19/117 , H04N19/132 , H04N19/137
摘要： According to at least one example embodiment, a method and corresponding apparatus of pruning video data comprise detecting motion areas within video frames of the video data based on short-term and long-term variations associated with content of the video data. Motion events, associated with the content of the video data, are then identified based on the motion areas detected, corresponding filtered motion areas, and variation patterns associated with the video data. Based on the motion events identified, a storage pattern for storing video frames of the video data is determined. The video frames are stored according to the determined storage pattern.

5. 发明授权

US09639747B2 Online learning method for people detection and counting for retail stores 有权
公开(公告)号：US09639747B2
公开(公告)日：2017-05-02
申请号：US13839410
申请日：2013-03-15
申请人： Pelco, Inc.
发明人： Hongwei Zhu , Farzin Aghdasi , Greg M. Millar , Stephen J. Mitchell
IPC分类号： G06K9/00 , G06K9/38 , G06K9/46 , G06K9/62 , G06Q30/02
CPC分类号： G06K9/00369 , G06K9/00771 , G06K9/38 , G06K9/4642 , G06K9/6262 , G06K9/6267 , G06Q30/0201
摘要： People detection can provide valuable metrics that can be used by businesses, such as retail stores. Such information can be used to influence any number of business decisions such a employment hiring and product orders. The business value of this data hinges upon its accuracy. Thus, a method according to the principles of the current invention outputs metrics regarding people in a video frame within a stream of video frames through use of an object classifier configured to detect people. The method further comprises automatically updating the object classifier using data in at least a subset of the video frames in the stream of video frames.

6. 发明授权

US09560323B2 Method and system for metadata extraction from master-slave cameras tracking system 有权
标题翻译：主从摄像机跟踪系统元数据提取的方法和系统
公开(公告)号：US09560323B2
公开(公告)日：2017-01-31
申请号：US14939222
申请日：2015-11-12
申请人： Pelco, Inc.
发明人： Chien-Min Huang , Farzin Aghdasi , Hongwei Zhu , Lei Wang , Zhan Jiang Ma
IPC分类号： H04N7/18 , G06K9/00 , G06K9/20 , G06K9/62 , G08B13/196
CPC分类号： H04N7/181 , G06K9/00771 , G06K9/209 , G06K9/6267 , G08B13/19608 , G08B13/19643 , G08B13/19671
摘要： An embodiment of the present invention includes a master camera that may record master metadata regarding an object of interest and communicate the master metadata to a slave camera. The slave camera may zoom, pan, or tilt to isolate and record more detailed image data regarding the object of interest based on the master metadata. In addition, the slave camera may record slave metadata regarding the object of interest. The master and slave metadata may be stored associated with the recorded image data enabling a later search for the object of interest to be expedited. The recorded image data including the object of interest may be identified with greater ease as it may be guided by the master or slave metadata, or a combination thereof. According to embodiments presented herein, processing time for searching and identifying an object of interest may be reduced by enabling a search on the metadata associated with image data, rather than by searching the image data itself.
摘要翻译：本发明的实施例包括可以记录关于感兴趣对象的主元数据并将主元数据传送到从照相机的主摄像机。从属照相机可以缩放，平移或倾斜以基于主元数据隔离并记录关于感兴趣对象的更详细的图像数据。此外，从属照相机可以记录关于感兴趣对象的从属元数据。主和从属元数据可以被存储与记录的图像数据相关联，使得能够加快对感兴趣对象的后续搜索。可以更容易地识别包括感兴趣对象的记录图像数据，因为它可以由主或从元数据或其组合来指导。根据本文呈现的实施例，可以通过对与图像数据相关联的元数据进行搜索而不是通过搜索图像数据本身来搜索和识别感兴趣对象的处理时间。

7. 发明申请

US20200265085A1 SEARCHING RECORDED VIDEO 审中-公开
公开(公告)号：US20200265085A1
公开(公告)日：2020-08-20
申请号：US16800412
申请日：2020-02-25
申请人： Pelco, Inc.
发明人： Greg Millar , Farzin Aghdasi , Lei Wang
IPC分类号： G06F16/783
摘要： Embodiments of the disclosure provide for systems and methods for creating metadata associated with a video data. The metadata can include data about objects viewed within a video scene and/or events that occur within the video scene. Some embodiments allow users to search for specific objects and/or events by searching the recorded metadata. In some embodiments, metadata is created by receiving a video frame and developing a background model for the video frame. Foreground object(s) can then be identified in the video frame using the background model. Once these objects are identified they can be classified and/or an event associated with the foreground object may be detected. The event and the classification of the foreground object can then be recorded as metadata.

8. 发明授权

US10750132B2 System and method for audio source localization using multiple audio sensors 有权
公开(公告)号：US10750132B2
公开(公告)日：2020-08-18
申请号：US13804629
申请日：2013-03-14
申请人： Pelco, Inc.
发明人： Chien-Min Huang , Wei Su , Farzin Aghdasi , James G. Millar , Greg M. Millar
IPC分类号： H04N7/18 , H04N5/232 , H04R1/40 , G01S3/808 , G08B13/16 , G08B13/196
摘要： An automated security surveillance system determines a location of a possible disturbance and adjusts its cameras to record video footage of the disturbance. In one embodiment, a disturbance can be determined by recording audio of the nearby area. A system, coupled to a camera, may include an arrangement of four audio sensors recording audio of the nearby area to produce independent outputs. The system further may include a processing module configured to determine an angle and distance of an audio source relative to a location of the arrangement of the four audio sensors. The system can then adjust the camera by rotation along an azimuth or elevation angle and adjusting the zoom level to record video of the audio source. Through use of the system, a surveillance system can present an image of a source of possible disturbance to an operator more rapidly and precisely than through manual techniques.

9. 发明授权

US10679671B2 Smart video digest system and method 有权
公开(公告)号：US10679671B2
公开(公告)日：2020-06-09
申请号：US14299939
申请日：2014-06-09
申请人： Pelco, Inc.
发明人： Farzin Aghdasi , Kirsten A. Medhurst , Greg M. Millar , Stephen J. Mitchell
IPC分类号： G11B27/034 , H04N5/76 , G11B27/00 , H04N21/8549 , H04N21/433
摘要： A method of summarizing events in a video recording includes evaluating at least one video recording to identify event that violate at least one rule. The method further includes excerpting a fragment of the at least one video recording. The fragment contains a depiction of the event. The method also includes causing the fragment to be included in a summary video recording. The rules may relate to a threshold amount of motion in a physical space being recorded in the at least one received video recording, or a threshold duration of motion in a physical space being recorded in the at least one received video recording.

10. 发明授权

US10051246B2 Stopped object detection 有权
公开(公告)号：US10051246B2
公开(公告)日：2018-08-14
申请号：US14850709
申请日：2015-09-10
申请人： Pelco Inc.
发明人： Wei Su , Lei Wang , Farzin Aghdasi , Shu Yang
IPC分类号： G06T7/00 , H04N7/18 , G06K9/00 , G06K9/62 , G06T7/11 , G06T7/254
摘要： A video surveillance system includes: an input configured to receive indications of images each comprising a plurality of pixels; a memory; and a processing unit communicatively coupled to the input and the memory and configured to: analyze the indications of the images; compare the present image with a short-term background image stored in the memory; compare the present image with a long-term background image stored in the memory; provide an indication in response to an object in the present image being disposed in a first location in the present image, in a second location in, or absent from, the short-term background image, and in a third location in, or absent from, the long-term background image, where the first location is different from both the second location and the third location.

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