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1. 发明申请

US20170154223A1 System And Method For Man Overboard Incident Detection 审中-公开
公开(公告)号：US20170154223A1
公开(公告)日：2017-06-01
申请号：US15430326
申请日：2017-02-10
申请人： PureTech Systems, Inc.
发明人： Fereydoun Maali , Marvin Wade Barnes
IPC分类号： G06K9/00 , H04N5/91 , H04N5/77 , H04N5/247 , H04N7/18 , H04N5/33
CPC分类号： G06K9/00758 , G06K9/00624 , G06K9/209 , G06K2009/00738 , G06T7/00 , G06T7/246 , G06T7/292 , G06T2207/30252 , H04N5/247 , H04N5/33 , H04N5/77 , H04N5/91 , H04N7/181
摘要： A system and method for detecting a man overboard incident on structures such as cruise vessels and oil rigs. The system includes at least two opposed imaging devices which record video streams of a detection cuboid within an overlapping region of view volumes for the imaging devices. The imaging devices are located at the lowest deck of the structure and monitor a fall that passes through the cuboid. Identified objects within the video streams are paired, their conformance is determined, and real world information such as size, trajectory, and location is determined.

2. 发明授权

US09569671B1 System and method for man overboard incident detection 有权
标题翻译：人员舷外事件检测的系统和方法
公开(公告)号：US09569671B1
公开(公告)日：2017-02-14
申请号：US14871638
申请日：2015-09-30
申请人： PureTech Systems, Inc.
发明人： Fereydoun Maali , Marvin Wade Barnes
IPC分类号： H04N5/77 , G06K9/00 , H04N5/247 , H04N7/18 , H04N5/33 , H04N5/91
CPC分类号： G06K9/00758 , G06K9/00624 , G06K9/209 , G06K2009/00738 , G06T7/00 , G06T7/246 , G06T7/292 , G06T2207/30252 , H04N5/247 , H04N5/33 , H04N5/77 , H04N5/91 , H04N7/181
摘要： A system and method for detecting a man overboard incident on structures such as cruise vessels and oil rigs. The system includes at least two opposed imaging devices which record video streams of a detection cuboid within an overlapping region of view volumes for the imaging devices. The imaging devices are located at the lowest deck of the structure and monitor a fall that passes through the cuboid. Identified objects within the video streams are paired, their conformance is determined, and real world information such as size, trajectory, and location is determined.
摘要翻译：一种用于检测人员在船上和石油钻机等结构上发生事故的系统和方法。该系统包括至少两个相对的成像装置，其在成像装置的重叠视野范围内记录检测立方体的视频流。成像装置位于结构的最低层，并监测通过长方体的坠落。视频流内的已识别对象被配对，确定它们的一致性，并且确定诸如大小，轨迹和位置的真实世界信息。

3. 发明授权

US11288517B2 System and method for deep learning enhanced object incident detection 有权
公开(公告)号：US11288517B2
公开(公告)日：2022-03-29
申请号：US17464527
申请日：2021-09-01
申请人： PureTech Systems Inc.
发明人： Brant Buchika , Marvin Wade Barnes , Fereydoun Maali
IPC分类号： H04N5/77 , G06K9/00 , H04N7/18 , H04N5/33 , H04N5/91 , G06K9/20 , G06T7/246 , G06T7/292 , G06T7/00 , H04N5/247
摘要： A system and method detects falling incidents on structures such as cruise vessels, oil rigs, overpasses, and buildings, and also detects overboarding movements onto structures such as cargo ships. The system includes at least two opposed imaging devices which record video streams of a detection cuboid within an overlapping region of view volumes for the imaging devices. The imaging devices monitor objects that pass through the cuboid. Identified objects within the video streams are paired, their conformance is determined, and real-world information such as size, trajectory, and location is determined.

4. 发明授权

US11126857B1 System and method for object falling and overboarding incident detection 有权
公开(公告)号：US11126857B1
公开(公告)日：2021-09-21
申请号：US16729109
申请日：2019-12-27
申请人： PureTech Systems Inc.
发明人： Fereydoun Maali , Marvin Wade Barnes
IPC分类号： H04N5/77 , G06K9/00 , H04N5/247 , H04N5/91 , H04N5/33 , H04N7/18 , G06T7/292 , G06T7/246 , G06K9/20 , G06T7/00
摘要： A system and method detects falling incidents on structures such as cruise vessels, oil rigs, overpasses, and buildings, and also detects overboarding movements onto structures such as cargo ships. The system includes at least two opposed imaging devices which record video streams of a detection cuboid within an overlapping region of view volumes for the imaging devices. The imaging devices monitor objects that pass through the cuboid. Identified objects within the video streams are paired, their conformance is determined, and real-world information such as size, trajectory, and location is determined.

5. 发明授权

US09936169B1 System and method for autonomous PTZ tracking of aerial targets 有权
公开(公告)号：US09936169B1
公开(公告)日：2018-04-03
申请号：US15592091
申请日：2017-05-10
申请人： PureTech Systems, Inc.
发明人： Fereydoun Maali , Dilip Swaminathan , Marvin Wade Barnes , Travis A. Woodrow
IPC分类号： G06K9/00 , H04N7/18 , G06T7/11 , G06T7/13 , G06T7/174 , G06T7/246 , G06T5/30 , G06T7/292 , G06K9/46 , G06K9/62 , G06K9/42 , H04N5/232
CPC分类号： H04N7/185 , G06K9/00335 , G06K9/00771 , G06K9/42 , G06K9/4604 , G06K9/4661 , G06K9/52 , G06K9/6202 , G06K9/6215 , G06K9/6267 , G06K9/6272 , G06T3/40 , G06T5/30 , G06T7/11 , G06T7/13 , G06T7/155 , G06T7/174 , G06T7/248 , G06T7/292 , G06T7/60 , G06T2207/20221 , G06T2207/30232 , G06T2207/30241 , H04N5/23296
摘要： A system and method for autonomous tracking of aerial targets in real space in a featureless background includes capturing and processing first and second images. A resultant image is produced which includes blobs corresponding to elements in the real space. The resultant image is further processed, together with either or both of the first and second images. One of the blobs is analyzed, classified, and tracked as a target.

6. 发明授权

US09652860B1 System and method for autonomous PTZ tracking of aerial targets 有权
公开(公告)号：US09652860B1
公开(公告)日：2017-05-16
申请号：US15180133
申请日：2016-06-13
申请人： PureTech Systems, Inc.
发明人： Fereydoun Maali , Dilip Swaminathan , Marvin Wade Barnes , Travis A. Woodrow
IPC分类号： G06K9/00 , G06T7/20 , G06K9/52 , G06K9/62 , G06T7/00 , G06K9/46 , G06T7/60 , G06T3/40
CPC分类号： H04N7/185 , G06K9/00335 , G06K9/00771 , G06K9/42 , G06K9/4604 , G06K9/4661 , G06K9/52 , G06K9/6202 , G06K9/6215 , G06K9/6267 , G06K9/6272 , G06T3/40 , G06T5/30 , G06T7/11 , G06T7/13 , G06T7/155 , G06T7/174 , G06T7/248 , G06T7/292 , G06T7/60 , G06T2207/20221 , G06T2207/30232 , G06T2207/30241 , H04N5/23296
摘要： A system for autonomous tracking of aerial targets in real space. The imaging means captures and aligns first and second images. A normalized correlation operation initiates a process for producing a resultant image including blobs corresponding to elements in the real space, despite the presence of a homogenous aerial background. One of the blobs is analyzed, classified, and tracked as a target.

7. 发明授权

US08599261B1 Vision-based car counting for multi-story carparks 有权
标题翻译：以多层停车场为基础的以视觉为基础的车car计数
公开(公告)号：US08599261B1
公开(公告)日：2013-12-03
申请号：US13681717
申请日：2012-11-20
申请人： PureTech Systems Inc.
发明人： Fereydoun Maali
IPC分类号： H04N7/18
CPC分类号： H04N7/183
摘要： Method and apparatus for counting vehicles at entrances, exits and transition zones of multi-story carparks, including particularly where the ceiling heights can be just marginally higher than the tallest expected vehicle, with a view to determine the carpark occupancy at different carpark levels by counting passing vehicles using a vision-based car counting system without relying on viewing test patterns or employing a blocking beam scheme and yet tolerating vehicles transgressing partially or fully into the wrong lane of a two-lane two-way road while ignoring vehicles moving opposite to the expected direction. Without imposing additional constraints to ambient carpark illumination, the methodology copes with highly specular vehicle surfaces, ignores non-vehicular objects and detects moving cast shadow or highlight, and adapts to daily and seasonal scene changes, and yet estimates vehicle speed.
摘要翻译：多层停车场的入口，出口及过渡区的车辆计数方法及装置，特别是天花板高度可能略高于最高预计车辆的方法和装置，以便以不同停车场的水平厘定停车场的人数，方法是点算使用基于视觉的汽车计数系统的过往车辆，而不依赖于观察测试模式或采用阻挡梁方案，并且允许车辆部分地或完全地进入双车道双向道路的错误车道，同时忽略与车道相反的车辆预期方向。没有对环境停车场照明施加额外的限制，该方法应对高度镜面的车辆表面，忽略非车辆物体并检测移动的投影或突出显示，并适应日常和季节性场景变化，并估计车辆速度。

8. 发明申请

US20210397851A1 System And Method For Deep Learning Enhanced Object Incident Detection 有权
公开(公告)号：US20210397851A1
公开(公告)日：2021-12-23
申请号：US17464527
申请日：2021-09-01
申请人： PureTech Systems Inc.
发明人： Brant Buchika , Marvin Wade Barnes , Fereydoun Maali
IPC分类号： G06K9/00 , H04N7/18 , H04N5/33 , H04N5/77 , H04N5/91 , G06K9/20 , G06T7/246 , G06T7/292 , G06T7/00 , H04N5/247
摘要： A system and method detects falling incidents on structures such as cruise vessels, oil rigs, overpasses, and buildings, and also detects overboarding movements onto structures such as cargo ships. The system includes at least two opposed imaging devices which record video streams of a detection cuboid within an overlapping region of view volumes for the imaging devices. The imaging devices monitor objects that pass through the cuboid. Identified objects within the video streams are paired, their conformance is determined, and real-world information such as size, trajectory, and location is determined.

9. 发明授权

US09292743B1 Background modeling for fixed, mobile, and step- and-stare video camera surveillance 有权
标题翻译：用于固定，移动和逐步监视摄像机监控的背景建模
公开(公告)号：US09292743B1
公开(公告)日：2016-03-22
申请号：US14210435
申请日：2014-03-13
申请人： PureTech Systems, Inc.
发明人： Fereydoun Maali , Monroe M. Thomas , Dilip Swaminathan
IPC分类号： G06K9/36 , G06K9/00 , H04N5/91 , G06T7/20 , H04N7/18
CPC分类号： G06K9/38 , G06K9/00543 , G06K9/00765 , G06K9/00771 , G06K9/6212 , G06K9/6267 , G06K2009/00738 , G06T7/11 , G06T7/136 , G06T7/194 , G06T2207/30232 , H04N5/77
摘要： A video camera surveillance system includes a camera for acquiring a video stream and converting terrain space into image space and a method for processing the video stream so that objects in the foreground are detected in the background and threats are identified. In the method, the camera acquires the video stream, images in the video stream are stabilized, an initial background model is constructed, and pixels are classified as either background or foreground for subsequent processing stages such as morphological filtering, image segmentation, and background model updating. In some embodiments of the invention, the camera is fixed in location and attitude, while in other embodiments, the camera is mounted to a moving platform and can alter its attitude.
摘要翻译：视频摄像机监视系统包括用于获取视频流并将地形空间转换为图像空间的摄像机，以及用于处理视频流的方法，使得在后台检测到前景中的对象并识别威胁。在该方法中，摄像机获取视频流，稳定视频流中的图像，构建初始背景模型，并将像素分类为背景或前景，用于后续处理阶段，如形态滤波，图像分割和背景模型更新。在本发明的一些实施例中，相机被固定在位置和姿态上，而在其他实施例中，相机被安装到移动平台并且可以改变其姿态。

10. 发明授权

US08929603B1 Autonomous lock-on target tracking with geospatial-aware PTZ cameras 有权
标题翻译：自动锁定目标跟踪与地理空间感知PTZ摄像机
公开(公告)号：US08929603B1
公开(公告)日：2015-01-06
申请号：US14215475
申请日：2014-03-17
申请人： PureTech Systems Inc.
发明人： Fereydoun Maali , Dilip Swaminathan , Marvin Wade Barnes
IPC分类号： G06K9/00 , H04N7/18
CPC分类号： G06K9/00771 , G06K9/6202 , G06T7/136 , G06T7/194 , G06T7/254 , G06T2207/10016 , G06T2207/20036 , G06T2207/30232
摘要： An autonomous lock-on target tracking system and method with geospatial-aware PTZ cameras includes a camera imaging a terrain space. The camera acquires images, and first and second images are aligned. A frame-differencing operation produces a resultant image including blobs corresponding to elements in the terrain space. One of the blobs is classified as an object and tracked as a target. The target is tracked by determining the distance between a centroid of the target and a center of a field of view of the camera, and instructing the camera to move through the distance. The distance is continually updated as the camera and the target move.
摘要翻译：具有地理空间感知PTZ摄像机的自主锁定目标跟踪系统和方法包括摄像机对地形空间进行成像。照相机拍摄图像，第一和第二图像对齐。帧差分操作产生包括对应于地形空间中的元素的斑点的合成图像。其中一个斑块被分类为一个对象，并被跟踪为目标。通过确定目标的质心和摄像机的视场中心之间的距离来跟踪目标，并指示相机移动通过距离。随着相机和目标移动，距离不断更新。

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