Method and system for x-ray CT imaging
Methods and systems for performing x-ray computerized tomographic (CT) reconstruction of imaging data on a rotatable portion of the system, such as a ring-shaped rotor. The rotor may include an x-ray source, and x-ray detector system and a processor, coupled to the detector system, for performing tomographic reconstruction of imaging data collected by the detector system.
1. A non-transitory computer-readable storage medium having stored thereon processor executable instructions configured to cause a processor of a first detector module of an x-ray CT imaging system to perform operations comprising:
receiving by the first detector module a first digital video signal comprising an electronic representation of image data from a second detector module of the x-ray CT imaging system;
appending an electronic representation of image data received at a plurality of detector elements of the first detector module to the electronic representation of image data received from the second detector module to generate a combined image data set; and
transmitting a second digital video signal comprising the combined image data set from the first detector module;
wherein the electronic representation of image data received from the second detector module comprises a reference detector signal that represents a flux of photons leaving an x-ray tube of an x-ray CT imaging system before the photons impinge on an object being imaged.
2. The non-transitory computer-readable storage medium of claim 1 , wherein the processor of the first detector module is configured with processor-executable instructions to perform operations such that the second digital video signal comprising the combined image data set is transmitted to a second processor for performing tomographic reconstruction of the combined image data set.
3. The non-transitory computer-readable storage medium of claim 1 , wherein the processor of the first detector module is configured with processor-executable instructions to perform operations such that the second digital video signal comprising the combined image data set is transmitted to a third detector module of the x-ray CT imaging system.
4. A non-transitory computer-readable storage medium having stored thereon processor executable instructions configured to cause a processor of a first detector module of an x-ray CT imaging system to perform operations comprising:
receiving by the first detector module an electronic representation of image data from a second detector module of the x-ray CT imaging system, wherein the electronic representation of image data received from the second detector module comprises a reference detector signal that represents a flux of photons leaving an x-ray tube of the x-ray CT imaging system before the photons impinge on an object being imaged;
appending an electronic representation of image data received at a plurality of detector elements of the first detector module to the electronic representation of image data received from the second detector module to generate a combined image data set; and
transmitting the combined image data set from the first detector module.
5. A method of performing x-ray CT imaging, comprising:
receiving at a first detector module a first digital video signal comprising an electronic representation of image data from a second detector module;
appending an electronic representation of image data received at a plurality of detector elements of the first detector module to the electronic representation of image data received from the second detector module to generate a combined image data set; and
transmitting a second digital video signal comprising the combined image data set from the first detector module;
wherein the electronic representation of image data received from the second detector module comprises a reference detector signal that represents a flux of photons leaving an x-ray tube of an x-ray CT imaging system before the photons impinge on an object being imaged.
6. The method of claim 5 , wherein the second digital video signal comprising the combined image data set is transmitted to a processor for performing tomographic reconstruction of the combined image data set.
7. The method of claim 5 , wherein the second digital video signal comprising the combined image data set is transmitted to one or more additional detector modules, wherein each of the additional detector modules appends an electronic representation of image data received from a plurality of detector elements to the combined image data set received at the additional detector module to generate a new combined image data set that is transmitted from the additional detector module to another detector module or to a processor for tomographic reconstruction.
8. A method of performing x-ray CT imaging, comprising:
receiving at a first detector module an electronic representation of image data from a second detector module, wherein the electronic representation of image data received from the second detector module comprises a reference detector signal that represents a flux of photons leaving an x-ray tube of an x-ray CT imaging system before the photons impinge on an object being imaged;
appending an electronic representation of image data received at a plurality of detector elements of the first detector module to the electronic representation of image data received from the second detector module to generate a combined image data set; and
transmitting the combined image data set from the first detector module.
9. A detector module of an x-ray CT imaging system, comprising:
a plurality of detector elements;
a memory; and
a processor coupled to the memory and configured with processor-executable instructions to perform operations comprising:
receiving by the detector module a first digital video signal comprising an electronic representation of image data from a second detector module of the x-ray CT imaging system;
appending an electronic representation of image data received at the plurality of detector elements to the electronic representation of image data received from the second detector module to generate a combined image data set; and
transmitting a second digital video signal comprising the combined image data set from the detector module;
wherein the electronic representation of image data received from the second detector module comprises a reference detector signal that represents a flux of photons leaving an x-ray tube of an x-ray CT imaging system before the photons impinge on an object being imaged.
10. The detector module of claim 9 , wherein the processor is configured with processor-executable instructions to perform operations such that the second digital video signal comprising the combined image data set is transmitted to a second processor for performing tomographic reconstruction of the combined image data set.
11. The detector module of claim 9 , wherein the processor is configured with processor-executable instructions to perform operations such that the second digital video signal comprising the combined image data set is transmitted to a third detector module of the x-ray CT imaging system.
12. A detector module of an x-ray CT imaging system, comprising:
a plurality of detector elements;
a memory; and
a processor coupled to the memory and configured with processor-executable instructions to perform operations comprising:
receiving by the detector module an electronic representation of image data from a second detector module of the x-ray CT imaging system, wherein the electronic representation of image data received from the second detector module comprises a reference detector signal that represents a flux of photons leaving an x-ray tube of the x-ray CT imaging system before the photons impinge on an object being imaged;
appending an electronic representation of image data received at the plurality of detector elements to the electronic representation of image data received from the second detector module to generate a combined image data set; and
transmitting the combined image data set from the detector module.