Metadata based interest point detection

1. A method of generating a thumbnail for a media file, comprising:

receiving the media file having metadata associated therewith;

generating an interest point area, wherein the interest point area includes one or more interest points in the media file;

aligning a thumbnail area with respect to the interest point area, wherein aligning a thumbnail area with respect to the interest point area comprises:

determining an orientation of the media file;

responsive to determining that the orientation is a landscape orientation, preserving a height of the media file;

determining a width of both the thumbnail area and the interest point area; and

responsive to determining that the width of the interest point area is greater than or equal to a scalar multiple of the width of the thumbnail area, aligning a center of the thumbnail area with a center of the interest point area; and

displaying a portion of the media file in the thumbnail area, wherein the portion of the media file that is displayed includes at least a portion of the interest point area.

2. The method of claim 1 , wherein generating an interest point area comprises:

scanning the metadata associated with the media file to determine the one or more interest points.

3. The method of claim 1 , wherein aligning a thumbnail area with respect to the interest point area, comprises:

generating an offset of the thumbnail area, comprising:

determining whether there is a non-zero translation value; and

responsive to determining that there is a non-zero translation value, translating the thumbnail area to offset the non-zero translation value.

4. The method of claim 1 , further comprising:

scaling the thumbnail area.

5. A method of generating a thumbnail for a media file, comprising:

receiving the media file having metadata associated therewith;

generating an interest point area, wherein the interest point area includes one or more interest points in the media file;

aligning a thumbnail area with respect to the interest point area, wherein aligning a thumbnail area with respect to the interest point area comprises:

determining an orientation of the media file;

responsive to determining that the orientation is a portrait orientation, preserving a width of the media file;

determining a height of both the thumbnail area and the interest point area; and

responsive to determining that the height of the interest point area is greater than or equal to a scalar multiple of the height of the thumbnail area, aligning a center of the thumbnail area with a center of the interest point area; and

displaying a portion of the media file in the thumbnail area, wherein the portion of the media file that is displayed includes at least a portion of the interest point area.

6. The method of claim 5 , wherein generating an interest point area comprises:

scanning the metadata associated with the media file to determine the one or more interest points.

7. The method of claim 5 , wherein aligning a thumbnail area with respect to the interest point area, comprises:

generating an offset of the thumbnail area, comprising:

determining whether there is a non-zero translation value; and

responsive to determining that there is a non-zero translation value, translating the thumbnail area to offset the non-zero translation value.

8. The method of claim 5 , further comprising:

scaling the thumbnail area.

9. A method of generating a thumbnail for a media file, comprising:

receiving the media file having metadata associated therewith;

generating an interest point area, wherein the interest point area includes one or more interest points in the media file;

aligning a thumbnail area with respect to the interest point area, wherein aligning a thumbnail area with respect to the interest point area comprises:

determining an orientation of the media file;

responsive to determining that the orientation is a landscape orientation, preserving a height of the media file;

determining a width of both the thumbnail area and the interest point area; and

responsive to determining that the width of the interest point area is less than a scalar multiple of the width of the thumbnail area, aligning a center of the thumbnail area with the interest point area according to a predefined set of rules; and

displaying a portion of the media file in the thumbnail area, wherein the portion of the media file that is displayed includes at least a portion of the interest point area.

10. The method of claim 9 , wherein generating an interest point area comprises:

scanning the metadata associated with the media file to determine the one or more interest points.

11. The method of claim 9 , wherein aligning a thumbnail area with respect to the interest point area, comprises:

generating an offset of the thumbnail area, comprising:

determining whether there is a non-zero translation value; and

responsive to determining that there is a non-zero translation value, translating the thumbnail area to offset the non-zero translation value.

12. The method of claim 9 , further comprising:

scaling the thumbnail area.

13. A method of generating a thumbnail for a media file, comprising:

receiving the media file having metadata associated therewith;

generating an interest point area, wherein the interest point area includes one or more interest points in the media file;

aligning a thumbnail area with respect to the interest point area, wherein aligning a thumbnail area with respect to the interest point area comprises:

determining an orientation of the media file;

positioning the thumbnail area vertically, comprising:

determining a width of both the thumbnail area and the interest point area; and

responsive to determining that the width of the interest point area is greater than or equal to a scalar multiple of the width of the thumbnail area, aligning a center of the thumbnail area with a center of the interest point area; and

positioning the thumbnail area horizontally, comprising:

determining a height of both the thumbnail area and the interest point area; and

responsive to determining that the height of the interest point area is greater than or equal to a scalar multiple of the height of the thumbnail area, aligning a center of the thumbnail area with a center of the interest point area; and

displaying a portion of the media file in the thumbnail area, wherein the portion of the media file that is displayed includes at least a portion of the interest point area.

14. The method of claim 13 , wherein generating an interest point area comprises:

scanning the metadata associated with the media file to determine the one or more interest points.

15. The method of claim 13 , wherein aligning a thumbnail area with respect to the interest point area, comprises:

generating an offset of the thumbnail area, comprising:

determining whether there is a non-zero translation value; and

responsive to determining that there is a non-zero translation value, translating the thumbnail area to offset the non-zero translation value.

16. The method of claim 13 , further comprising:

scaling the thumbnail area.

17. A system, comprising:

a processor; and

a memory having instructions stored thereon, which, when executed by the processor, performs an operation of generating a thumbnail for a media file, comprising:

receiving the media file having metadata associated therewith;

generating an interest point area, wherein the interest point area includes one or more interest points in the media file;

aligning a thumbnail area with respect to the interest point area, wherein aligning a thumbnail area with respect to the interest point area comprises:

determining an orientation of the media file;

responsive to determining that the orientation is a landscape orientation, preserving a height of the media file;

determining a width of both the thumbnail area and the interest point area; and

responsive to determining that the width of the interest point area is greater than or equal to a scalar multiple of the width of the thumbnail area, aligning a center of the thumbnail area with a center of the interest point area; and

displaying a portion of the media file in the thumbnail area, wherein the portion of the media file that is displayed includes at least a portion of the interest point area.

18. The system of claim 17 , wherein generating an interest point area comprises:

scanning the metadata associated with the media file to determine the one or more interest points.

19. The system of claim 17 , wherein aligning a thumbnail area with respect to the interest point area, comprises:

generating an offset of the thumbnail area, comprising:

determining whether there is a non-zero translation value; and

responsive to determining that there is a non-zero translation value, translating the thumbnail area to offset the non-zero translation value.

20. The system of claim 17 , further comprising:

scaling the thumbnail area.

21. A system, comprising:

a processor; and

a memory having instructions stored thereon, which, when executed by the processor, performs an operation of generating a thumbnail for a media file, comprising:

receiving the media file having metadata associated therewith;

generating an interest point area, wherein the interest point area includes one or more interest points in the media file;

aligning a thumbnail area with respect to the interest point area, wherein aligning a thumbnail area with respect to the interest point area comprises:

determining an orientation of the media file;

responsive to determining that the orientation is a portrait orientation, preserving a width of the media file;

determining a height of both the thumbnail area and the interest point area; and

responsive to determining that the height of the interest point area is greater than or equal to a scalar multiple of the height of the thumbnail area, aligning a center of the thumbnail area with a center of the interest point area; and

displaying a portion of the media file in the thumbnail area, wherein the portion of the media file that is displayed includes at least a portion of the interest point area.

22. The system of claim 21 , wherein generating an interest point area comprises:

scanning the metadata associated with the media file to determine the one or more interest points.

23. The system of claim 21 , wherein aligning a thumbnail area with respect to the interest point area, comprises:

generating an offset of the thumbnail area, comprising:

determining whether there is a non-zero translation value; and

responsive to determining that there is a non-zero translation value, translating the thumbnail area to offset the non-zero translation value.

24. The system of claim 21 , further comprising:

scaling the thumbnail area.

25. A system, comprising:

a processor; and

a memory having instructions stored thereon, which, when executed by the processor, performs an operation of generating a thumbnail for a media file, comprising:

receiving the media file having metadata associated therewith;

generating an interest point area, wherein the interest point area includes one or more interest points in the media file;

aligning a thumbnail area with respect to the interest point area, wherein aligning a thumbnail area with respect to the interest point area comprises:

determining an orientation of the media file;

responsive to determining that the orientation is a landscape orientation, preserving a height of the media file;

determining a width of both the thumbnail area and the interest point area; and

responsive to determining that the width of the interest point area is less than a scalar multiple of the width of the thumbnail area, aligning a center of the thumbnail area with the interest point area according to a predefined set of rules; and

displaying a portion of the media file in the thumbnail area, wherein the portion of the media file that is displayed includes at least a portion of the interest point area.

26. The system of claim 25 , wherein generating an interest point area comprises:

scanning the metadata associated with the media file to determine the one or more interest points.

27. The system of claim 25 , wherein aligning a thumbnail area with respect to the interest point area, comprises:

generating an offset of the thumbnail area, comprising:

determining whether there is a non-zero translation value; and

responsive to determining that there is a non-zero translation value, translating the thumbnail area to offset the non-zero translation value.

28. The system of claim 25 , further comprising:

scaling the thumbnail area.

29. A system, comprising:

a processor; and

a memory having instructions stored thereon, which, when executed by the processor, performs an operation of generating a thumbnail for a media file, comprising:

receiving the media file having metadata associated therewith;

generating an interest point area, wherein the interest point area includes one or more interest points in the media file;

aligning a thumbnail area with respect to the interest point area, wherein aligning a thumbnail area with respect to the interest point area comprises:

determining an orientation of the media file;

positioning the thumbnail area vertically, comprising:

determining a width of both the thumbnail area and the interest point area; and

responsive to determining that the width of the interest point area is greater than or equal to a scalar multiple of the width of the thumbnail area, aligning a center of the thumbnail area with a center of the interest point area; and

positioning the thumbnail area horizontally, comprising:

determining a height of both the thumbnail area and the interest point area; and

responsive to determining that the height of the interest point area is greater than or equal to a scalar multiple of the height of the thumbnail area, aligning a center of the thumbnail area with a center of the interest point area; and

displaying a portion of the media file in the thumbnail area, wherein the portion of the media file that is displayed includes at least a portion of the interest point area.

30. The system of claim 29 , wherein generating an interest point area comprises:

scanning the metadata associated with the media file to determine the one or more interest points.

31. The system of claim 29 , wherein aligning a thumbnail area with respect to the interest point area, comprises:

generating an offset of the thumbnail area, comprising:

determining whether there is a non-zero translation value; and

responsive to determining that there is a non-zero translation value, translating the thumbnail area to offset the non-zero translation value.

32. The system of claim 29 , further comprising:

scaling the thumbnail area.

33. A non-transitory computer readable medium having instructions stored thereon, which, when executed by a processor, cause the processor to perform a method of generating a thumbnail for a media file, comprising:

receiving the media file having metadata associated therewith;

generating an interest point area, wherein the interest point area includes one or more interest points in the media file;

aligning a thumbnail area with respect to the interest point area, wherein aligning a thumbnail area with respect to the interest point area comprises:

determining an orientation of the media file;

responsive to determining that the orientation is a landscape orientation, preserving a height of the media file;

determining a width of both the thumbnail area and the interest point area; and

responsive to determining that the width of the interest point area is greater than or equal to a scalar multiple of the width of the thumbnail area, aligning a center of the thumbnail area with a center of the interest point area; and

displaying a portion of the media file in the thumbnail area, wherein the portion of the media file that is displayed includes at least a portion of the interest point area.

34. The non-transitory computer readable medium of claim 33 , wherein generating an interest point area comprises:

scanning the metadata associated with the media file to determine the one or more interest points.

35. A non-transitory computer readable medium having instructions stored thereon, which, when executed by a processor, cause the processor to perform a method of generating a thumbnail for a media file, comprising:

receiving the media file having metadata associated therewith;

generating an interest point area, wherein the interest point area includes one or more interest points in the media file;

aligning a thumbnail area with respect to the interest point area, wherein aligning a thumbnail area with respect to the interest point area comprises:

determining an orientation of the media file;

responsive to determining that the orientation is a portrait orientation, preserving a width of the media file;

determining a height of both the thumbnail area and the interest point area; and

responsive to determining that the height of the interest point area is greater than or equal to a scalar multiple of the height of the thumbnail area, aligning a center of the thumbnail area with a center of the interest point area; and

displaying a portion of the media file in the thumbnail area, wherein the portion of the media file that is displayed includes at least a portion of the interest point area.

36. The non-transitory computer readable medium of claim 35 , wherein generating an interest point area comprises:

scanning the metadata associated with the media file to determine the one or more interest points.