Relative gestures

1. A method, comprising:

detecting a target object via a camera in a mobile device based on an embedded identifier on the target object;

tracking sensor data of the mobile device to estimate a relative location or a relative orientation of the mobile device in relation to the target object;

detecting a relative gesture via the mobile device based on the relative location or the relative orientation of the mobile device; and

performing an action in response to detecting the relative gesture;

wherein detecting the relative gesture comprises detecting a shake of the mobile device in a direction of the target object.

2. The method of claim 1 , comprising performing audio, visual, tactile or haptic feedback in response to detecting the relative gesture.

3. The method of claim 1 , wherein performing an action comprises associating or disassociating additional media with the target object having the embedded identifier.

4. The method of claim 1 , wherein performing an action comprises automatically playing back media, the media associated with the target object having the embedded identifier.

5. The method of claim 1 , further comprising:

distinguishing between a low-intensity version and a high-intensity version of the gesture, wherein performing an action comprises performing a different action in response to the low-intensity version of the gesture than in response to the high-intensity version of the gesture.

6. The method of claim 1 , wherein detecting the relative gesture comprises detecting a flip of the mobile device displaying the media onto the target object.

7. The method of claim 1 , wherein detecting the relative gesture comprises detecting a pulling motion at the mobile device from a position within a threshold range of the target object.

8. The method of claim 1 , wherein the target object is an image comprising the embedded identifier, the method further comprising:

with the mobile device, identifying media to be associated with the target object; and

in response to a gesture performed by moving the mobile device relative to the target object, associating the identified media with the target object.

9. The method of claim 1 , wherein the embedded identifier is a group of printed dots formed on the target object.

10. The method of claim 1 , wherein the gesture comprises a movement across a touch screen of the mobile device in a direction toward the target object, the method comprising tracking relative location of the mobile device with respect to the target object.

11. The method of claim 1 , further comprising downloading media to the mobile device in response to a pulling gesture of the mobile device being moved away from the target object, the media for download being associated with the target object.

12. The method of claim 11 , further comprising:

distinguishing between a lighter-intensity pull gesture and a heavier-intensity pull gesture; and

downloading first media in response to the lighter-intensity pull gesture or downloading different, second media in response to the heavier-intensity pull gesture.

13. An apparatus, comprising a processor to:

detect a target object via a camera in a mobile device based on an embedded identifier on the target object;

track sensor data of the mobile device to estimate a relative location or a relative orientation of the mobile device in relation to the target object;

detect a relative gesture via the mobile device based on the relative location or the relative orientation of the mobile device; and

download, upload, or transfer a file associated with the target object in response to detecting the relative gesture;

wherein the relative gesture comprises a shake of the mobile device in a direction of the target object.

14. The apparatus of claim 13 , the processor further to, based on tracking relative location or orientation of the mobile device relative to the target object, detect the relative gesture comprising a touch and swipe gesture on a touchscreen of the mobile device, where the swipe is in a direction of the target object.

15. The apparatus of claim 13 , wherein the relative gesture comprises a flip gesture onto the target object.

16. The apparatus of claim 13 , wherein the relative gesture comprises a pull gesture at the mobile device from within a threshold distance of the target object.

17. A non-transitory machine-readable storage medium encoded with instructions executable by a processor, the non-transitory machine-readable storage medium comprising instructions to:

detect a target object via a camera in a mobile device and based on an embedded identifier on the target object;

track sensor data of the mobile device to estimate a relative location or a relative orientation of the target object in relation to the mobile device;

detect a relative gesture via the mobile device based on the relative location or the relative orientation of the mobile device; and

associate or disassociate a file with the target object in response to detecting the detected relative gesture;

wherein detecting the relative gesture comprises detecting a shake of the mobile device in a direction of the target object.

18. The machine-readable storage medium of claim 17 , comprising instructions to automatically play back media associated with the embedded identifier in response to detecting the relative gesture.