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| Number | Title | Issue Date |
| 7460685 | Method and apparatus for computerized image background analysis A computerized method of video analysis including receiving image data for a plurality of video frames depicting a scene that includes at least one of a plurality of background features. Each video frame includes s a plurality of image regions and at least one video... | 12/02/2008 |
| 7346187 | Method of counting objects in a monitored environment and apparatus for the same Methods and system for determining, a number of objects, without tracking each of the objects, in first and second fields-of-view. First and second video frames are received from first and second image sources. The image sources have the first and second fields-of-v... | 03/18/2008 |
| 7286157 | Computerized method and apparatus for determining field-of-view relationships among multiple image sensors A computerized method of image analysis that includes receiving first image data for a plurality of first video frames representing a first scene. Each first video frame is composed of a plurality of image regions, and a first object is present in an image region of... | 10/23/2007 |
| 7280673 | System and method for searching for changes in surveillance video Systems and methods for determining when a change has occurred in an area-of-interest included in an image region are disclosed. The system and methods may perform a specially modified background subtraction method. The systems and methods may initialize a backgroun... | 10/09/2007 |
| 7221775 | Method and apparatus for computerized image background analysis A computerized method of video analysis including receiving image data for a plurality of video frames depicting a scene that includes at least one of a plurality of background features. Each video frame includes a plurality of image regions and at least one video f... | 05/22/2007 |
