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| Number | Title | Issue Date |
| 8180490 | Video-based sensing for daylighting controls A video imager may be used to measure the natural and/or artificial light levels in a space. The lighting estimates may be passed to a controller via a communication network. The lighting estimates may be in the form of actual radiance values, brightness, or other f... | 05/15/2012 |
| 8150103 | Background modeling with feature blocks Video content analysis of a video may include: modeling a background of the video; detecting at least one target in a foreground of the video based on the feature blocks of the video; and tracking each target of the video. Modeling a background of the video may incl... | 04/03/2012 |
| 7949150 | Automatic camera calibration and geo-registration using objects that provide positional information A video sequence of a field of view within an environment is received. Targets are detected in the video sequence. Target geo-positional information is received. Correspondences between the targets detected in the video sequence and the target geo-positional informa... | 05/24/2011 |
| 7932923 | Video surveillance system employing video primitives A video surveillance system is set up, calibrated, tasked, and operated. The system extracts video primitives and extracts event occurrences from the video primitives using event discriminators. The system can undertake a response, such as an alarm, based on extract... | 04/26/2011 |
| 7925536 | Intelligent video verification of point of sale (POS) transactions Non video data regarding a point of sale (POS) transaction is received. POS primitives are generated based on the received non video POS data. Video data regarding a corresponding POS transaction is received. Video primitives are generated based on the received vide... | 04/12/2011 |
| 7884849 | Video surveillance system with omni-directional camera A method of operating a video surveillance system is provided. The video surveillance system including at least two sensing units. A first sensing unit having a substantially 360 degree field of view is used to detect an event of interest. Location information regar... | 02/08/2011 |
| 7868912 | Video surveillance system employing video primitives A video surveillance system extracts video primitives and extracts event occurrences from the video primitives using event discriminators. The system can undertake a response, such as an alarm, based on extracted event occurrences. ... | 01/11/2011 |
| 7825954 | Multi-state target tracking A method of video analysis may comprise tracking a state of each target in a video through multiple frames of said video, each state indicating a visibility condition of a target. ... | 11/02/2010 |
| 7822275 | Method for detecting water regions in video A computer-based method for automatic detection of water regions in a video include the steps of estimating a water map of the video and outputting the water map to an output medium, such as a video analysis system. The method may further include the steps of traini... | 10/26/2010 |
| 7801330 | Target detection and tracking from video streams A technique for video processing includes: receiving video from a scene; detecting moving pixels in the video; detecting line segments or motion blocks in the video based on the detected moving pixels; identifying targets in the video based on the detected line segm... | 09/21/2010 |
| 7796780 | Target detection and tracking from overhead video streams A technique for video processing includes: receiving video from an overhead view of a scene; detecting moving pixels in the video; detecting line segments in the video based on detected moving pixels; identifying targets in the video based on the detected line segme... | 09/14/2010 |
| 7733369 | View handling in video surveillance systems A method of video processing may include analyzing input video information to determine if a current video frame is directed to a same view as a previous video frame; determining whether a new view is present; and indicating a need to use video processing informatio... | 06/08/2010 |
| 7613322 | Periodic motion detection with applications to multi-grabbing A method of video surveillance may include performing on input video at least one of the operations selected from the group consisting of motion detection and change detection, recording a motion pattern based on a result of said at least one of the operations, and ... | 11/03/2009 |
| 7424175 | Video segmentation using statistical pixel modeling A method for segmenting video data into foreground and background portions utilizes statistical modeling of the pixels. A statistical model of the background is built for each pixel, and each pixel in an incoming video frame is compared with the background statistic... | 09/09/2008 |
| 7424167 | Tide filtering for video surveillance system A machine-accessible medium containing software code that, when read by a computer, causes the computer to perform method for filtering a video in a video system. The method may include generating a foreground mask and a background model from a video, where the fore... | 09/09/2008 |
| 7391907 | Spurious object detection in a video surveillance system A system detects an object in frames of a video sequence to obtain a detected object, tracks the detected object in the frames of the video sequence to obtain a tracked object, and classifies the tracked object as a real object or a spurious object based on spatial ... | 06/24/2008 |
| 7321624 | Bit-rate allocation system for object-based video encoding A video sequence is encoded, where the video sequence includes a background composite and foreground regions. The video sequence is encoded based on balancing bits per pixel for the background composite with bits per pixel for the foreground regions. ... | 01/22/2008 |
| 7224852 | Video segmentation using statistical pixel modeling A method for segmenting video data into foreground and background portions utilizes statistical modeling of the pixels. A statistical model of the background is built for each pixel, and each pixel in an incoming video frame is compared with the background statistic... | 05/29/2007 |
| 6999600 | Video scene background maintenance using change detection and classification Video is processed by maintaining a background model for the video, detecting a target in the video, detecting if the target is a stationary target, and classifying the stationary target as an insertion in the background model or a removal from the background model.... | 02/14/2006 |
| 6987883 | Video scene background maintenance using statistical pixel modeling A method for video background scene maintenance uses statistical pixel modeling. A background statistical model is built based on the input video. A background image may be built based on the background statistical model, or video segmentation into foreground and ba... | 01/17/2006 |
| 6970083 | Video tripwire A video tripwire system may enable a user to enter a video tripwire by drawing it on a video image or on a snapshot from a video stream. This drawing may be enabled by a graphical user interface. ... | 11/29/2005 |
