METHOD AND/OR APPARATUS FOR LOCATION CONTEXT IDENTIFIER DISAMBIGUATION

• US 20130101163A1
• Filed: 09/27/2012
• Published: 04/25/2013
• Est. Priority Date: 09/30/2011
• Status: Abandoned Application

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Hui Chao, Rajarshi Gupta, Saumitra Mohan Das
• Inventors: GUPTA, Rajarshi, CHAO, Hui, DAS, Saumitra Mohan
• Application Number:
  US13/629,125
• Publication Number:
  US 20130101163A1
• Time in Patent Office: Days
• US Class Current: 382/103
• CPC Class Codes: G01C 21/206 specially adapted for indoor navigation
• CPC Class Codes: G06V 20/20 in augmented reality scenes
• CPC Class Codes: H04W 4/029 Location-based management or tracking services

Abstract

The subject matter disclosed herein relates to a method, apparatus, and/or system for obtaining one or more images captured at a mobile device and determining a location context identifier (LCI) identifying an area including a location of the mobile device based, at least in part, on the one or more captured images. The LCI may be selected from among a plurality of LCIs.

Claims

1. A method comprising:

obtaining one or more images captured at a mobile device; and

determining a location context identifier (LCI) identifying an area including a location of the mobile device based, at least in part, on the one or more obtained images, the LCI being selected from among a plurality of LCIs.

2. The method of claim 1, wherein the determining comprises transmitting information associated with the one or more obtained images to a server from the mobile device, and receiving the LCI corresponding to the area from the server.

3. The method of claim 1, wherein the determining comprises selecting, at the mobile device, the LCI corresponding to the area from among the plurality of LCIs.

4. The method of claim 3, wherein selecting the LCI corresponding to the area further comprises:

identifying a repeating prefix in alphanumeric character strings in the one or more obtained images; and

associating the repeating prefix with the LCI corresponding to the area.

5. The method of claim 3, wherein selecting the LCI corresponding to the area further comprises:

recognizing one or more features of a multi-level view in the one or more obtained images; and

inferring the location of the mobile device as being on a subset of floors of a building based, at least in part, on the one or more features.

6. The method of claim 5, wherein the inferring the location of the mobile device as being on a subset of floors is further based, at least in part, on an orientation of the mobile device.

7. The method of claim 5, wherein the one or more features comprise an escalator or staircase.

8. The method of claim 5, wherein the one or more features comprise a plurality of similar elements that are vertically displaced relative to each other.

9. The method of claim 8, wherein the plurality of similar elements comprise doors, floors, or signs.

10. The method of claim 1, further comprising distinguishing between floors of a building based, at least in part, on a detected direction of movement of the mobile device with respect to a staircase.

11. The method of claim 10, wherein distinguishing between floors of the building further comprises determining whether the mobile device is ascending or descending the staircase based, at least in part, on an orientation of the mobile device and the one or more obtained images.

12. The method of claim 1, wherein the LCI covering the area is selected based on at least one image feature extracted from the one or more obtained images, the at least one image feature being uniquely associated with the LCI covering the area.

13. The method of claim 12, wherein the at least one image feature comprises a printed name of a business.

14. An apparatus comprising:

means for obtaining one or more images captured at a mobile device; and

means for determining a location context identifier (LCI) identifying an area including a location of the mobile device based, at least in part, on the one or more obtained images, the LCI being selected from among a plurality of LCIs.

15. The apparatus of claim 14, further comprising means for transmitting information associated with the one or more obtained images to a server, and means for receiving the LCI corresponding to the area from the server.

16. The apparatus of claim 14, wherein the means for determining comprises means for selecting, at the mobile device, the LCI corresponding to the area from among the plurality of LCIs.

17. The apparatus of claim 16, wherein the means for selecting the LCI corresponding to the area further comprises:

means for identifying a repeating prefix in alphanumeric character strings in the one or more obtained images; and

means for associating the repeating prefix with the LCI corresponding to the area.

18. The apparatus of claim 16, wherein selecting the LCI corresponding to the area further comprises:

means for recognizing one or more features of a multi-level view in the one or more obtained images; and

means for inferring the location of the mobile device as being on a subset of floors of a building based, at least in part, on the one or more features.

19. The apparatus of claim 18, wherein the means for inferring the location of the mobile device as being on a subset of floors comprises means for inferring the location further based, at least in part, on an orientation of the mobile device.

20. The apparatus of claim 18, wherein the one or more features comprise an escalator or staircase.

21. The apparatus of claim 18, wherein the one or more features comprise a plurality of similar elements that are vertically displaced relative to each other.

22. The apparatus of claim 21, wherein the plurality of similar elements comprise doors, floors, or signs.

23. The apparatus of claim 14, further comprising means for distinguishing between floors of a building based, at least in part, on a detected direction of movement of the mobile device with respect to a staircase.

24. The apparatus of claim 23, wherein the means for distinguishing between floors of the building further comprises means for determining whether the mobile device is ascending or descending the staircase based, at least in part, on an orientation of the mobile device and the one or more obtained images.

25. The apparatus of claim 14, wherein the means for determining the LCI covering the area comprises means for determining the LCI based on at least one image feature in the one or more obtained images, the at least one image feature being uniquely associated with the LCI covering the area.

26. The apparatus of claim 25, wherein the at least one image feature comprises a printed name of a business.

27. An apparatus comprising:

a memory; and

a processor in communication with the memory, the processor being configured to;

process one or more images captured at a mobile device; and

determine a location context identifier (LCI) identifying an area including a location of the mobile device based, at least in part, on the one or more captured images, the LCI being selected from among a plurality of LCIs.

28. The apparatus of claim 27, further comprising a transmitter to transmit information associated with the one or more captured images to a server.

29. The apparatus of claim 28, further comprising a receiver to receive the LCI corresponding to the area from the server.

30. The apparatus of claim 27, wherein the processor is configured to select the LCI corresponding to the area from among the plurality of LCIs.

31. The apparatus of claim 30, wherein the processor is further configured to:

identify a repeating prefix in alphanumeric character strings in the one or more captured images; and

associate the repeating prefix with the LCI corresponding to the area.

32. The apparatus of claim 30, wherein the processor is further configured to:

recognize one or more features of a multi-level view in the one or more captured images; and

infer the location of the mobile device as being on a subset of floors of a building based, at least in part, on the one or more features.

33. The apparatus of claim 32, wherein the processor is further configured to infer the location further based, at least in part, on an orientation of the mobile device.

34. The apparatus of claim 32, wherein the one or more features comprise an escalator or staircase.

35. The apparatus of claim 32, wherein the one or more features comprise a plurality of similar elements that are vertically displaced relative to each other.

36. The apparatus of claim 35, wherein the plurality of similar elements comprise doors, floors, or signs.

37. The apparatus of claim 27, wherein the processor is further configured to distinguish between floors of a building based, at least in part, on a detected direction of movement of the mobile device with respect to a staircase.

38. The apparatus of claim 37, wherein the processor is further configured to determine whether the mobile device is ascending or descending the staircase based, at least in part, on an orientation of the mobile device and the one or more captured images.

39. The apparatus of claim 27, wherein the processor is further configured to determine the LCI based on at least one image feature in the one or more captured images, the at least one image feature being uniquely associated with the LCI corresponding to the area.

40. The apparatus of claim 39, wherein the at least one image feature comprises a printed name of a business.

41. A non-transitory storage medium having machine-readable instructions stored thereon which are executable by a special purpose computing apparatus to:

obtain one or more images captured at a mobile device; and

determine a location context identifier (LCI) identifying an area including a location of the mobile device based, at least in part, on the one or more obtained images, the LCI being selected from among a plurality of LCIs.

42. The non-transitory storage medium of claim 41, wherein the machine-readable instructions are further executable by the special purpose computing apparatus to select the LCI corresponding to the area from among the plurality of LCIs.