Method of and system for obtaining linear data for object scanned using non-collimated, poly-energetic X-rays
View Patent ↗According to one embodiment, a system for linearizing image data corresponding to one or more objects and output by an imaging device is provided. The system includes a processor configured for: receiving the image data from the imaging device; and producing a generally linear relationship between the image data and a thickness of the one or more objects. The generally linear relationship is produced according to the equation I = I o ⅇ u l l . I is an intensity of the image data, I 0 is an intensity of energy produced by the imaging device for outputting the image data, μ is an attenuation coefficient of the one or more objects, and l is the thickness of the one or more objects.
1. A system for linearizing image data corresponding to one or more objects and output by an imaging device, the system comprising:
a processor configured for:
receiving the image data from the imaging device; and
producing a generally linear relationship between the image data and a thickness of the one or more objects,
wherein the generally linear relationship is produced according to the equation
I
=
I
o
ⅇ
-
u
l
l
,
and
wherein I is an intensity of the image data, I 0 is an intensity of energy produced by the imaging device for outputting the image data, μ is an attenuation coefficient of the one or more objects, and l is the thickness of the one or more objects.
2. The system of claim 1 ,
wherein the energy produced by the imaging device for outputting the image data is poly-energetic.
3. The system of claim 2 ,
wherein the poly-energetic energy is poly-energetic X-ray energy.
4. The system of claim 1 ,
wherein the energy produced by the imaging device is produced by a non-collimated source of the imaging device.
5. The system of claim 4 , wherein the image data are produced by the imaging device free of one or more devices for collimating the energy produced by the source.
6. The system of claim 4 , wherein image data are produced by the imaging device free of one or more devices for beam hardening the energy produced by the source.
7. The system of claim 1 , wherein the processor is configured further for processing the image data using tomosynthesis.
8. A system for linearizing image data corresponding to one or more objects and output by an imaging device, the system comprising:
means for receiving the image data from the imaging device; and
means for producing a generally linear relationship between the image data and a thickness of the one or more objects,
wherein the generally linear relationship is produced according to the equation
I
=
I
o
ⅇ
u
l
l
,
and
wherein I is an intensity of the image data, I 0 is an intensity of input energy produced by the imaging device for outputting the image data, μ is an attenuation coefficient of the one or more objects, and l is the thickness of the one or more objects.
9. The system of claim 8 ,
wherein the energy produced by the imaging device for outputting the image data is poly-energetic.
10. The system of claim 9 ,
wherein the poly-energetic energy is poly-energetic X-ray energy.
11. The system of claim 8 ,
wherein the energy produced by the imaging device is produced by a non-collimated source of the imaging device.
12. The system of claim 8 , wherein the image data are produced by the imaging device free of one or more devices for collimating the energy produced by the source.
13. The system of claim 8 , wherein image data are produced by the imaging device free of one or more devices for beam hardening the energy produced by the source.
14. The system of claim 8 , wherein the means for producing is configured further for processing the image data using tomosynthesis.
15. A method for linearizing image data corresponding to one or more objects and output by an imaging device, the method comprising:
receiving the image data from the imaging device; and
producing a generally linear relationship between the image data and a thickness of the one or more objects,
wherein the generally linear relationship is produced according to the equation
I
=
I
o
ⅇ
-
u
l
l
,
and
wherein I is an intensity of the image data, I 0 is an intensity of energy produced by the imaging device for outputting the image data, μ is an attenuation coefficient of the one or more objects, and l is the thickness of the one or more objects.
16. The method of claim 15 ,
wherein the energy produced by the imaging device for outputting the image data is poly-energetic.
17. The method of claim 16 ,
wherein the poly-energetic energy is poly-energetic X-ray energy.
18. The method of claim 15 ,
wherein the energy produced by the imaging device is produced by a non-collimated source of the imaging device.
19. The method of claim 18 , wherein the image data are produced by the imaging device free of one or more devices for collimating the energy produced by the source.
20. The method of claim 18 , wherein image data are produced by the imaging device free of one or more devices for beam hardening the energy produced by the source.