GEOGRAPHIC MAP BASED CONTROL

• US 20130128050A1
• Filed: 11/22/2011
• Published: 05/23/2013
• Est. Priority Date: 11/22/2011
• Status: Abandoned Application

• Current Assignee: Pelco Incorporated (Motorola Solutions, Inc.)
• Original Assignee: Farzin Aghdasi, Lei Wang, Wei Su
• Inventors: WANG, Lei, AGHDASI, Farzin, SU, Wei
• Application Number:
  US13/302,984
• Publication Number:
  US 20130128050A1
• Time in Patent Office: Days
• US Class Current: 348/158
• CPC Class Codes: G06F 18/254 of classification results, e.g. of results related to same input data
• CPC Class Codes: G06T 2200/24 involving graphical user interfaces [GUIs]
• CPC Class Codes: G06T 2207/30232 Surveillance
• CPC Class Codes: G06T 2207/30236 Traffic on road, railway or crossing
• CPC Class Codes: G06T 2207/30241 Trajectory
• CPC Class Codes: G06T 7/254 involving subtraction of images
• CPC Class Codes: G06T 7/292 Multi-camera tracking
• CPC Class Codes: G06V 10/255 Detecting or recognising potential candidate objects based on visual cues, e.g. shapes
• CPC Class Codes: G06V 10/809 of classification results, e.g. where the classifiers operate on the same input data
• CPC Class Codes: H04N 7/181 for receiving images from a plurality of remote sources

Abstract

Disclosed are methods, systems, computer readable media and other implementations, including a method that includes determining, from image data captured by a plurality of cameras, motion data for multiple moving objects, and presenting, on a global image representative of areas monitored by the plurality of cameras, graphical indications of the determined motion data for the multiple objects at positions on the global image corresponding to geographic locations of the multiple moving objects. The method further includes presenting captured image data from one of the plurality of cameras in response to selection, based on the graphical indications presented on the global image, of an area of the global image presenting at least one of the graphical indications for at least one of the multiple moving objects captured by the one of the plurality of cameras.

Claims

1. A method comprising:

determining, from image data captured by a plurality of cameras, motion data for multiple moving objects;

presenting, on a global image representative of areas monitored by the plurality of cameras, graphical indications of the determined motion data for the multiple objects at positions on the global image corresponding to geographic locations of the multiple moving objects;

presenting captured image data from one of the plurality of cameras in response to selection, based on the graphical indications presented on the global image, of an area of the global image presenting at least one of the graphical indications for at least one of the multiple moving objects captured by the one of the plurality of cameras.

2. The method of claim 1, wherein presenting the captured image data in response to the selection of the area of the global image presenting the at least one of the graphical indications for the at least one of the multiple moving objects comprises:

presenting captured image data from the one of the plurality of cameras in response to selection of a graphical indication corresponding to a moving object captured by the one of the plurality of cameras.

3. The method of claim 1, further comprising:

calibrating at least one of the plurality of the cameras with the global image to match images of at least one area view captured by the at least one of the plurality of cameras to a corresponding at least one area of the global image.

4. The method of claim 3, wherein calibrating the at least one of the plurality of cameras comprises:

selecting one or more locations appearing in an image captured by the at least one of the plurality of cameras;

identifying, on the global image, positions corresponding to the selected one or more locations in the image captured by the at least one of the plurality of cameras; and

computing transformation coefficients, based on the identified global image positions and the corresponding selected one or more locations in the image of the at least one of the plurality of cameras, for a second-order 2-dimensional linear parametric model to transform coordinates of positions in images captured by the at least one of the plurality of cameras to coordinates of corresponding positions in the global image.

5. The method of claim 1, further comprising:

presenting additional details of the at least one of the multiple moving objects corresponding to the at least one of the graphical indications the selected area of the map, the additional details appearing in an auxiliary frame captured by an auxiliary camera associated with the one of the plurality of the cameras corresponding to the selected area.

6. The method of claim 5, wherein presenting the additional details of the at least one of the multiple moving objects comprises:

zooming into an area in the auxiliary frame corresponding to positions of the at least one of the multiple moving objects captured by the one of the plurality of cameras.

7. The method of claim 1, wherein determining from the image data captured by the plurality of cameras motion data for the multiple moving objects comprises:

applying to at least one image captured by at least one of the plurality of cameras a Gaussian mixture model to separate a foreground of the at least one image containing pixel groups of moving objects from a background of the at least one image containing pixel groups of static objects.

8. The method of claim 1, wherein the motion data for the multiple moving objects comprises data for a moving object from the multiple moving objects including one or more of:

location of the object within a camera'"'"'s field of view, width of the object, height of the object, direction the object is moving, speed of the object, color of the object, an indication that the object is entering the field of view of the camera, an indication that the object is leaving the field of view of the camera, an indication that the camera is being sabotaged, an indication that the object is remaining in the camera'"'"'s field of view for greater than a predetermined period of time, an indication that several moving objects are merging, an indication that the moving object is splitting into two or more moving objects, an indication that the object is entering an area of interest, an indication that the object is leaving a predefined zone, an indication that the object is crossing a tripwire, an indication that the object is moving in a direction matching a predefined forbidden direction for the zone or the tripwire, data representative of counting of the object, an indication of removal of the object, an indication of abandonment of the object, and data representative of a dwell timer for the object.

9. The method of claim 1, wherein presenting, on the global image, the graphical indications comprises:

presenting, on the global image, moving geometrical shapes of various colors, the geometrical shapes including one or more of;

a circle, a rectangle, and a triangle.

10. The method of claim 1, wherein presenting, on the global image, the graphical indications comprises:

presenting, on the global image, trajectories tracing the determined motion for at least one of the multiple objects at positions of the global image corresponding to geographic locations of a path followed by the at least one of the multiple moving objects.

11. A system comprising:

a plurality of cameras to capture image data;

one or more display devices; and

one or more processors configured to perform operations comprising;

determining, from image data captured by a plurality of cameras, motion data for multiple moving objects;

presenting, on a global image representative of areas monitored by the plurality of cameras, using at least one of one or more display devices, graphical indications of the determined motion data for the multiple objects at positions on the global image corresponding to geographic locations of the multiple moving objects;

presenting, using one of the one or more display devices, captured image data from one of the plurality of cameras in response to selection, based on the graphical indications presented on the global image, of an area of the global image presenting at least one of the graphical indications for at least one of the multiple moving objects captured by the one of the plurality of cameras.

12. The system of claim 11, wherein the one or more processors configured to perform the operations of presenting the captured image data in response to the selection of the area of the global image are configured to perform the operations of:

presenting, using the one of the one or more display devices, captured image data from the one of the plurality of cameras in response to selection of a graphical indication corresponding to a moving object captured by the one of the plurality of cameras.

13. The system of claim 11, wherein the one or more processors are further configured to perform the operations of:

calibrating at least one of the plurality of the cameras with the global image to match images of at least one area view captured by the at least one of the plurality of cameras to a corresponding at least one area of the global image.

14. The system of claim 13, wherein the one or more processors configured to perform the operations of calibrating the at least one of the plurality of cameras are configured to perform the operations of:

selecting one or more locations appearing in an image captured by the at least one of the plurality of cameras;

identifying, on the global image, positions corresponding to the selected one or more locations in the image captured by the at least one of the plurality of cameras; and

computing transformation coefficients, based on the identified global image positions and the corresponding selected one or more locations in the image of the at least one of the plurality of cameras, for a second-order 2-dimensional linear parametric model to transform coordinates of positions in images captured by the at least one of the plurality of cameras to coordinates of corresponding positions in the global image.

15. The system of claim 11, wherein the one or more processors are further configured to perform the operations of:

presenting additional details of the at least one of the multiple moving objects corresponding to the at least one of the graphical indications in the selected area of the map, the additional details appearing in an auxiliary frame captured by an auxiliary camera associated with the one of the plurality of the cameras corresponding to the selected area.

16. The system of claim 11, wherein the motion data for the multiple moving objects comprises data for a moving object from the multiple moving objects including one or more of:

location of the object within a camera'"'"'s field of view, width of the object, height of the object, direction the object is moving, speed of the object, color of the object, an indication that the object is entering the field of view of the camera, an indication that the object is leaving the field of view of the camera, an indication that the camera is being sabotaged, an indication that the object is remaining in the camera'"'"'s field of view for greater than a predetermined period of time, an indication that several moving objects are merging, an indication that the moving object is splitting into two or more moving objects, an indication that the object is entering an area of interest, an indication that the object is leaving a predefined zone, an indication that the object is crossing a tripwire, an indication that the object is moving in a direction matching a predefined forbidden direction for the zone or the tripwire, data representative of counting of the object, an indication of removal of the object, an indication of abandonment of the object, and data representative of a dwell timer for the object.

17. A non-transitory computer readable media programmed with a set of computer instructions executable on a processor that, when executed, cause operations comprising:

determining, from image data captured by a plurality of cameras, motion data for multiple moving objects;

presenting, on a global image representative of areas monitored by the plurality of cameras, graphical indications of the determined motion data for the multiple objects at positions on the global image corresponding to geographic locations of the multiple moving objects;

presenting captured image data from one of the plurality of cameras in response to selection, based on the graphical indications presented on the global image, of an area of the global image presenting at least one of the graphical indications for at least one of the multiple moving objects captured by the one of the plurality of cameras.

18. The computer readable media of claim 17, wherein the set of instructions to cause the operations of presenting the captured image data in response to the selection of the area of the global image presenting the at least one of the graphical indications for the at least one of the multiple moving objects comprises instructions that cause the operations of:

presenting captured image data from the one of the plurality of cameras in response to selection of a graphical indication corresponding to a moving object captured by the one of the plurality of cameras.

19. The computer readable media of claim 17, wherein the set of instructions further comprises instructions to cause the operations of:

calibrating at least one of the plurality of the cameras with the global image to match images of at least one area view captured by the at least one of the plurality of cameras to a corresponding at least one area of the global image.

20. The computer readable media of claim 19, wherein the set of instructions one to cause the operations of calibrating the at least one of the plurality of cameras comprises instructions to cause the operations of:

selecting one or more locations appearing in an image captured by the at least one of the plurality of cameras;

identifying, on the global image, positions corresponding to the selected one or more locations in the image captured by the at least one of the plurality of cameras; and

computing transformation coefficients, based on the identified global image positions and the corresponding selected one or more, locations in the image of the at least one of the plurality of cameras, for a second-order 2-dimensional linear parametric model to transform coordinates of positions in images captured by the at least one of the plurality of cameras to coordinates of corresponding positions in the global image.

21. The computer readable media of claim 17, wherein the set of instructions further comprises instructions to cause the operations of:

presenting additional details of the at least one of the multiple moving objects corresponding to the at least one of the graphical indications in the selected area of the map, the additional details appearing in an auxiliary frame captured by an auxiliary camera associated with the one of the plurality of the cameras corresponding to the selected area.

22. The computer readable media of claim 17, wherein the motion data for the multiple moving objects comprises data for a moving object from the multiple moving objects including one or more of:

location of the object within a camera'"'"'s field of view, width of the object, height of the object, direction the object is moving, speed of the object, color of the object, an indication that the object is entering the field of view of the camera, an indication that the object is leaving the field of view of the camera, an indication that the camera is being sabotaged, an indication that the object is remaining in the camera'"'"'s field of view for greater than a predetermined period of time, an indication that several moving objects are merging, an indication that the moving object is splitting into two or more moving objects, an indication that the object is entering an area of interest, an indication that the object is leaving a predefined zone, an indication that the object is crossing a tripwire, an indication that the object is moving in a direction matching a predefined forbidden direction for the zone or the tripwire, data representative of counting of the object, an indication of removal of the object, an indication of abandonment of the object, and data representative of a dwell timer for the object.