Dr. Andrew Karellas
Professor, Medical Imaging at Univ of Arizona
SPIE Involvement:
Senior status | Author | Instructor
Publications (15)

PROCEEDINGS ARTICLE | September 14, 2017
Proc. SPIE. 10393, Radiation Detectors in Medicine, Industry, and National Security XVIII
KEYWORDS: Scintillators, Breast, Computed tomography, Breast cancer, Sensors, Performance modeling, X-ray detectors

PROCEEDINGS ARTICLE | September 7, 2017
Proc. SPIE. 10393, Radiation Detectors in Medicine, Industry, and National Security XVIII
KEYWORDS: Imaging systems, Computed tomography, X-ray fluorescence spectroscopy, X-ray computed tomography

SPIE Journal Paper | September 27, 2016
JBO Vol. 21 Issue 09
KEYWORDS: Breast, Tissue optics, Digital breast tomosynthesis, Oxygen, Tissues, Image compression, Imaging systems, Scattering, Sensors, Hemodynamics

PROCEEDINGS ARTICLE | April 5, 2016
Proc. SPIE. 9783, Medical Imaging 2016: Physics of Medical Imaging
KEYWORDS: Breast, Monte Carlo methods, X-ray computed tomography, Computer simulations, Image quality, Photons, X-ray imaging, Visibility, Computed tomography, Image processing, Mammography, Breast cancer

PROCEEDINGS ARTICLE | March 7, 2016
Proc. SPIE. 9706, Optical Interactions with Tissue and Cells XXVII
KEYWORDS: Tissues, Surgery, Breast cancer, Imaging systems, Reflectivity, Terahertz radiation, Refractive index, Breast, Sensors, Quartz, Cancer, Water

PROCEEDINGS ARTICLE | March 17, 2011
Proc. SPIE. 7961, Medical Imaging 2011: Physics of Medical Imaging
KEYWORDS: Terahertz radiation, Tissues, Reflectivity, Breast, Surgery, Bioalcohols, Water, Tumors, Breast cancer, Imaging systems

Showing 5 of 15 publications
Course Instructor
SC356: Digital Mammography and Computer-Aided Diagnosis
The term Digital Mammography refers to the technology that is used for the electronic capture and display of x-ray images of the breast. In this process, film is not essential but it may be used as a recording medium for viewing and storing digital mammographic images. The various digital mammographic technologies are reviewed with emphasis on detector design and acquisition approach. These technologies include flat panel detectors using amorphous silicon detector arrays with a scintillator, flat panel amorphous selenium, stimulable phosphors, and slot scanning techniques using charge-coupled devices. Recent progress on advanced applications, such as tomographic and 3-D imaging of the breast, is presented. The interpretation of breast images can benefit from computer technology with advances in CAD. Computer-aided diagnosis (CAD) can be defined as a diagnosis made by a radiologist who uses the output from a computerized analysis of medical images as a second opinion in detecting lesions and in making diagnostic decisions. The final diagnosis is made by the radiologist. Rationale, computerized image analysis methods, and evaluation of performance of multi-modality CAD in the detection, diagnosis, and risk assessment of breast cancer will be reviewed.
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