Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Farhad A. Ghelmansarai"'
Autor:
Farhad A. Ghelmansarai, Ajit Singh, Himanshu P. Shukla, Juan Carlos Celi, Mark Wofford, Christopher Jude Amies, Ali Bani-Hashemi, Matthias Mitschke, Joerg Stein, Derek Graham Lane, Dimitre Hristov, Guillaume Grousset
Publikováno v:
Medical Dosimetry. 31:12-19
Siemens Medical Solutions, Oncology Care Systems Group (SMSOCSG) is supporting the development of several technologies that enable image acquisition and decision making processes required for IGRT in various clinical settings. Four such technologies
Autor:
Ali Bani-Hashemi, Farhad A. Ghelmansarai, M. Kara Bucci, Paco Hernandez, M. Aubin, Matthias Mitschke, Ed Calderon, Jean Pouliot
Publikováno v:
Medical Imaging 2005: Physics of Medical Imaging.
Recent developments in two-dimensional x-ray detector technology have made volumetric Cone Beam CT (CBCT) a feasible approach for integration with conventional medical linear accelerators. The requirements of a robust image guidance system for radiat
Autor:
Ping Xia, Ali Bani-Hashemi, Lynn J. Verhey, Michele Aubin, Zirao Zheng, Jean Pouliot, Olivier Morin, K. Bucci, Dimitre Hristov, Farhad A. Ghelmansarai, Michelle Marie Svatos, Paco Hernandez, Mack Roach, Josephine Chen, Matthias Mitschke
Publikováno v:
International journal of radiation oncology, biology, physics. 61(2)
Purpose: The objective of this work was to demonstrate the feasibility of acquiring low-exposure megavoltage cone-beam CT (MV CBCT) three-dimensional (3D) image data of sufficient quality to register the CBCT images to kilovoltage planning CT images
Autor:
Paco Hernandez, Juan Carlos Celi, Farhad A. Ghelmansarai, Matthias Mitschke, Ali Bani-Hashemi, Ed Calderon
Publikováno v:
SPIE Proceedings.
A high-resolution video (HRV) based EPID that is capable of matching the high spatial resolution and SNR (signal to noise ratio) of a-Si flat panel devices was developed at Siemens OCS (Oncology Care Systems) for cone beam CT. This system is using a
Publikováno v:
SPIE Proceedings.
Three acquisition schemes for a-Si flat panels are described for radiation therapy imaging. The goal of all three acquisition modes is to acquire images with the highest achievable SNR (signal to noise ratio). The acquisition modes are Single mode fo
Autor:
Ali Bani-Hashemi, Jean Pouliot, Farhad A. Ghelmansarai, Lynn J. Verhey, Ping Xia, M. Aubin, Michelle Marie Svatos, Matthias Mitschke
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 57:S183-S184
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 66:S147
Autor:
B Gangadharan, E Blanz, O Somphone, P Roessler, Ali Bani-Hashemi, Farhad A. Ghelmansarai, Olivier Morin, Jonathan S. Maltz, Jean Pouliot
Publikováno v:
Medical Physics. 33:2266-2266
Purpose: Finite focal spot size in X‐ray imaging equipment has a blurring effect on acquired images. For practical reasons, it is neither possible nor desirable to reduce the spot size of medical linacs below a certain diameter. This affects task p
Publikováno v:
Medical Physics. 33:2037-2037
Purpose: Recent developments in Adaptive Radiation Therapy(ART) leverage MV and kV X‐ray imaging to acquire patient images in treatment position. We have developed a kV X‐ray imagingsystem, in line with the MV treatment beam, which enables us to
Autor:
Lynn J. Verhey, Olivier Morin, K. Bucci, M. Aubin, Farhad A. Ghelmansarai, Jean Pouliot, A. Chan, Josephine Chen, M. Roach
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 63:S561