Location correction of virtual objects

1. A computer-implemented method for use in location correction of a virtual model of a real-world scene, said computer-implemented method comprising:

by a processor coupled to a memory area storing the virtual model and a virtual object in the virtual model, the virtual model representing the real-world scene, said processor:

generating the virtual model, including the virtual object;

acquiring at least one digital image of a real-world object within the real-world scene, wherein the real-world object corresponds to the virtual object;

calculating an image-based positional difference between at least one predefined point on the virtual object and at least one corresponding point on the real-world object;

adjusting at least one of a position and an orientation of the virtual object based on the calculated image-based positional difference such that a corrected location of the virtual object with respect to the virtual model corresponds to a location of the real-world object in the real-world scene; and

adjusting the virtual model with respect to the corrected location of the virtual object.

2. A computer-implemented method in accordance with claim 1 , wherein generating the virtual model comprises calculating a location transform for the virtual object based on a plurality of identifiable points on the virtual object.

3. A computer-implemented method in accordance with claim 2 , wherein calculating the location transform comprises receiving a user selection of at least a portion of the plurality of identifiable points.

4. A computer-implemented method in accordance with claim 1 , wherein generating the virtual model comprises:

identifying the virtual object and a corresponding reference object; and

identifying the at least one predefined point on the virtual object and at least one corresponding point on the reference object.

5. A computer-implemented method in accordance with claim 4 , further comprising a programmatic adjustment of a virtual view so as to substantially match the at least one corresponding point on the reference object with at least one corresponding point on a real-world reference object.

6. A computer-implemented method in accordance with claim 4 , further comprising:

programmatic adjustment of a virtual view; and

calculating the image-based positional difference between the at least one predefined point on the virtual object and the at least one corresponding point on the real-world object for the acquired at least one digital image.

7. A computer-implemented method in accordance with claim 6 , further comprising minimizing the image-based positional difference by iterating on a location transform that is used to generate the virtual model.

8. A computer for use in location correction of a virtual model of a real-world scene, said computer comprising:

a memory area configured to store the virtual model and a virtual object in the virtual model, the virtual model representing the real-world scene; and

a processor coupled to said memory area, said processor configured to:

generate the virtual model, including the virtual object;

acquire at least one digital image of a real-world object within the real-world scene, wherein the real-world object corresponds to the virtual object;

calculate an image-based positional difference between at least one predefined point on the virtual object and at least one corresponding point on the real-world object;

adjust at least one of a position and an orientation of the virtual object based on the calculated image-based positional difference such that a corrected location of the virtual object with respect to the virtual model corresponds to a location of the real-world object in the real-world scene; and

adjust the virtual model with respect to the corrected location of the virtual object.

9. A computer in accordance with claim 8 , wherein said processor is further configured to calculate a location transform for the virtual object based on a plurality of identifiable points on the virtual object.

10. A computer in accordance with claim 9 , wherein said processor is further configured to receive a user selection of at least a portion of the plurality of identifiable points.

11. A computer in accordance with claim 8 , wherein said processor is further configured to:

identify the virtual object and a corresponding reference object; and

identify the at least one predefined point on the virtual object and at least one corresponding point on the reference object.

12. A computer in accordance with claim 11 , wherein said processor is further configured to programmatically adjust a virtual view so as to substantially match the at least one corresponding point on the reference object with at least one corresponding point on a real-world reference object.

13. A computer in accordance with claim 11 , wherein said processor is further configured to:

programmatically adjust a virtual view so as to substantially match the at least one corresponding point on the reference object with at least one corresponding point on a real-world reference object; and

calculate the image-based positional difference between the at least one predefined point on the virtual object and the at least one corresponding point on the real-world object for the acquired at least one digital image.

14. A computer in accordance with claim 13 , wherein said processor is further configured to minimize the image-based positional difference by iterating on a location transform used to generate the virtual model.

15. A computer program product comprising:

one or more non-transitory computer-readable storage media having computer-executable components for use in location correction of a virtual model of a real-world scene, said components comprising:

a generation component that when executed by a processor causes the processor to generate the virtual model, including a virtual object;

an acquisition component that when executed by a processor causes the processor to acquire at least one digital image of a real-world object within the real-world scene, wherein the real-world object corresponds to the virtual object; and

a correction component that when executed by a processor causes the processor to:

calculate an image-based positional difference between at least one predefined point on the virtual object and at least one corresponding point on the real-world object;

adjust at least one of a position and an orientation of the virtual object based on the calculated image-based positional difference such that a corrected location of the virtual object with respect to the virtual model corresponds to a location of the real-world object in the real-world scene; and

adjust the virtual model with respect to the corrected location of the virtual object.

16. A computer program product in accordance with claim 15 , wherein said generation component further causes the processor to:

receive a user selection of at least a portion of a plurality of identifiable points on the virtual object; and

calculate a location transform for the virtual object based on the plurality of identifiable points.

17. A computer program product in accordance with claim 15 , wherein said generation component further causes the processor to:

identify the virtual object and a corresponding reference object; and

identify the at least one predefined point on the virtual object and at least one corresponding point on the reference object.

18. A computer program product in accordance with claim 17 , wherein said correction component further causes the processor to programmatically adjust a virtual view so as to substantially match the at least one corresponding point on the reference object with at least one corresponding point on a real-world reference object.

19. A computer program product in accordance with claim 17 , wherein said correction component further causes the processor to:

programmatically adjust a virtual view; and

calculate the image-based positional difference between the at least one corresponding point on the reference object and at least one corresponding point on a real-world reference object for the acquired at least one digital image.

20. A computer program product in accordance with claim 19 , wherein said correction component further causes the processor to minimize the image-based positional difference by iterating on a location transform used by the generation component to generate the virtual model.