Search Results - hengyong+yu

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Method to Improve Biomedical Images Produced by Limited-Angle Radiological Scanning
Producing high resolution medical images while minimizing radiation exposure is one of the challenges in the field of computer tomography. With current technology, scanning a limited area results in internal problems giving unclear imaging. In addition, the scan exposes the patient to high amounts of radiation, even when scanning small areas. Virginia...
Published: 9/24/2014   |   Inventor(s): Ge Wang, Hengyong Yu, Yangbo Ye
Keywords(s): Biotechnology/Imaging
Category(s): Medical, Diagnostic, Imaging
Exact Local CT Based on Compressive Sampling
A system and method for tomographic image reconstruction using truncated projection data that allows exact interior reconstruction (interior tomography) of a region of interest (ROI) based on the known sparsity models of the ROI, thereby improving image quality while reducing radiation dosage. In addition, the method includes parallel interior tomography...
Published: 2/10/2014   |   Inventor(s): Ge Wang, Hengyong Yu
Keywords(s): Medical/Imaging
Category(s): Medical, Imaging
Systems and Methods for Fast Quasi-Exact Triple-Source Helical Cone-Beam CT
Cardiac computed tomography (CT) has been improved over past years, but it still needs improvement for higher temporal resolution in the cases of high or irregular cardiac rates. Given successful applications of dual-source cardiac CT scanners, triple-source cone-beam CT seems a promising mode for cardiac CT.
Published: 7/3/2013   |   Inventor(s): Ge Wang, Jun Zhao, Yang Lu, Hengyong Yu, Alexander Katsevich
Keywords(s): Medical/Imaging
Category(s): Medical, Imaging
Methods and Systems for SPECT/PET Interior Reconstruction From Truncated Projection Data
SPECT and PET are important nuclear medicine tomographic imaging modalities. However, due to some limitations (e.g. detector length), the detected projections are often truncated. Inspired by the recent progress in the CT field, the inventors have developed a uniformly attenuated SPECT/PET interior reconstruction approach aided by partial prior k...
Published: 9/3/2012   |   Inventor(s): Hengyong Yu, Ge Wang, Ming Jiang, Jiansheng Yang
Keywords(s): Medical/Imaging
Category(s): Imaging, Medical, Diagnostic