Systems and methods for processing x-ray images

1. A method of processing a x-ray image, comprising:

collecting a first x-ray image and a second x-ray image;

determining a composite image based on the first and second x-ray images;

collecting a third x-ray image, wherein at least a portion of the first x-ray image and at least a portion of to third x-ray image comprise images of a same portion of an object; and

enhancing a feature in the third x-ray image by adjusting the third x-ray image based on the composite image;

wherein the third x-ray image is collected without performing a weighted subtraction of the first x-ray image.

2. The method of claim 1 , wherein the first, second, and third x-ray images are generated in a sequence.

3. The method of claim 1 , wherein the first, second, and third x-ray images each contains an image of at least a portion of an animal body.

4. The method of claim 1 , wherein the determining a composite image comprises performing a image averaging on the first and second x-ray images.

5. The method of claim 4 , wherein the image averaging is performed using a boxcar averaging technique.

6. The method of claim 4 , wherein the image averaging is performed based on a weighted average.

7. The method of claim 1 , wherein the adjusting comprises subtracting the composite image from the third x-ray image.

8. The method of claim 1 , wherein the feature comprises a moving feature, which is a characteristic in the third x-ray image due to a movement of the portion of the object.

9. The method of claim 1 , wherein the feature in the third x-ray image is enhanced without using a contrast media.

10. The method of claim 1 , further comprising generating the first x-ray image and the second x-ray image using x-ray having a same energy level.

11. A system for processing a x-ray image, comprising:

means for collecting a first x-ray image and a second x-ray image;

means for determining a composite image based on the first and second x-ray images;

means for collecting a third x-ray image without performing a weighted subtraction of the first x-ray image, wherein at least a portion of the first x-ray image and at least a portion of the third x-ray image comprise images of a same portion of an object; and

means for enhancing a feature in the third x-ray image by adjusting the third x-ray image based on the composite image.

12. The system of claim 11 , wherein the means for determining a composite image comprises means for performing an image averaging on the first and second x-ray images.

13. The system of claim 11 , wherein the means for adjusting comprises means for subtracting the composite image from the third x-ray image.

14. The system of claim 11 , wherein the feature comprises a moving feature, which is a characteristic in the third x-ray image due to a movement of the portion of the object.

15. The system of claim 11 , wherein the means for enhancing the feature in the third x-ray image does not include a contrast media.

16. The system of claim 11 , further comprising means for generating the first and the second x-ray images using x-ray having a same energy level.

17. A computer readable medium having a set of stored instructions, the execution of which causes a process to be performed, the process comprising:

collecting a first x-ray image and a second x-ray image;

determining a composite image based on the first and second x-ray images;

collecting a third x-ray image, wherein at least a portion of the first x-ray image and at least a portion of the third x-ray image comprise images of a same portion of an object; and

enhancing a feature in the third x-ray image by adjusting the third x-ray image based on the composite image;

wherein the third x-ray image is collected without performing a weighted subtraction of the first x-ray image.

18. The computer readable medium of claim 17 , wherein the first, second, and third x-ray images are generated in a sequence.

19. The computer readable medium of claim 17 , wherein the first, second, and third x-ray images each contains an image of at least a portion of an animal body.

20. The computer readable medium of claim 17 , wherein the determining a composite image comprises performing an image averaging on the first and second x-ray images.

21. The computer readable medium of claim 20 , wherein the image averaging is performed using a boxcar averaging technique.

22. The computer readable medium of claim 20 , wherein the image averaging is performed based on a weighted average.

23. The computer readable medium of claim 17 , wherein the adjusting comprises subtracting the composite image from the third x-ray image.

24. The computer readable medium of claim 17 , wherein the feature comprises a moving feature, which is a characteristic in the third x-ray image due to a movement of the portion of the object.

25. The computer readable medium of claim 17 , wherein the feature in the third x-ray image is enhanced without using a contrast media.

26. The computer readable medium of claim 17 , wherein the process further comprises generating the first x-ray image and the second x-ray image using x-ray having a same energy level.

27. A method of processing a x-ray image, comprising:

collecting two or more x-ray images;

determining a composite image using at least two of the two or more x-ray images;

collecting an input x-ray image, wherein at least a portion of one of the two or more x-ray images and at least a portion of the input x-ray image comprise images of a same portion of an object; and

enhancing a feature of the input x-ray image based on the composite image;

wherein the input x-ray image is collected without performing a weighted subtraction of the two or more x-ray images.

28. The method of claim 27 , wherein the collecting the two or more x-ray images comprises generating the two or more x-ray images in a sequence.

29. The method of claim 27 , wherein the input x-ray image contains an image of at least a portion of an animal body.

30. The method of claim 27 , wherein the determining a composite image comprises performing an image averaging on the at least two of the two or more x-ray images.

31. The method of claim 30 , wherein the image averaging is performed using a boxcar averaging technique.

32. The method of claim 30 , wherein the image averaging is performed based on a weighted average.

33. The method of claim 27 , wherein the enhancing comprises subtracting the composite image from the input x-ray image.

34. The method of claim 27 , wherein the feature in the input x-ray image is enhanced without using a contrast media.

35. A system for processing an image, comprising:

means for collecting two or more x-ray images;

means for determining a composite image using at least two of the two or more x-ray images;

means for collecting an input x-ray image without performing a weighted subtraction of the two or more x-ray images, wherein at least a portion of one of the two or more x-ray images and at least a portion of the input x-ray image comprise images of a same portion of an object; and

means for enhancing a feature of the input x-ray image based on the composite image.

36. The system of claim 35 , wherein the means for determining a composite image comprises means for performing an image averaging on the at least two of the two or more x-ray images.

37. The system of claim 35 , wherein the means for enhancing comprises means for subtracting the composite image from the input x-ray image.

38. The system of claim 35 , wherein the means for enhancing the feature in the input x-ray image does not include a contrast media.

39. A computer readable medium having a set of stored instructions, the execution of which causes a process to be performed, the process comprising:

collecting two or more x-ray images;

determining a composite image using at least two of the two or more x-ray images;

collecting an input x-ray image, wherein at least a portion of one of the two or more x-ray images and at least a portion of the input x-ray image comprise images of a same portion of an object; and

enhancing a feature of the input x-ray image based on the composite image;

wherein the input x-ray image is collected without performing a weighted subtraction of the two or more x-ray images.

40. The computer readable medium of claim 39 , wherein the collecting the two or more images comprises generating the two or more x-ray images in a sequence.

41. The computer readable medium of claim 28 , wherein the input x-ray image contains an image of at least a portion of an animal body.

42. The computer readable medium of claim 39 , wherein the determining a composite image comprises performing an image averaging on the at least two of the two or more x-ray images.

43. The computer readable medium of claim 42 , wherein the image averaging is performed using a boxcar averaging technique.

44. The computer readable medium of claim 42 , wherein the image averaging is performed based on a weighted average.

45. The computer readable medium of claim 39 , wherein the enhancing comprises subtracting the composite image from the input x-ray image.

46. The computer readable medium of claim 39 , wherein the feature in the input x-ray image is enhanced without using a contrast media.