Speakers
Ms
fatemeh haji beigi
(free)Mr
hamid amrollahi
(free)Mr
mohammad hasan khorasani
(free)Mr
saeed davodi
(free)
Description
Medical imaging is one of the most important medical diagnostic processes. Different imaging modalities (CT, MRI, ultrasound, radiography, mammography, etc) are used to capture various organs with specific aim and features. One of the imaging modalities that plays a critical role in detecting injuries is the CT scan imaging system, which in addition to providing tomography images, have excellent image resolution. In conventional CT systems, X-rays that used are produced by X-ray tubes. The X-rays of the X-ray tube have an energy spectrum whose energy X-rays are directly related to the energy of the electrons produced by the filaments and then the bremsstrahlung radiation that emission process due to the collision of charged electrons with the tube anode. Due to the fact that the x-rays of the tube have a spectrum, it is difficult to imaging in soft tissues with a low atomic number that requiring the use of low energy beams, and the image obtained from conventional CT systems does not have a good contrast. To solve these problems, X-rays from the synchronous output can be used which, in addition to high intensity (quantization), are single energy and therefore have the capability of micro-imaging of soft tissues. In this paper, the SRμCT imaging system and the conventional CT imaging system are simulated in the GATE and the output images from both systems are compared, and the results were obtained that the images of soft tissue with a micro scale have better contrast than conventional CT systems.
Author
Mr
mohammad hasan khorasani
(free)
