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Pattern Recognition, Medical Imaging, Machine Intelligence, Computer Vision Hamid R. Tizhoosh
Faculty of Engineering
University of Waterloo

Pattern Recognition, Computer Vision,
Medical Imaging, Machine Intelligence		 Hamid R. Tizhoosh
Teaching
Computer Vision
Machine Intelligence
Data Structures
SD750 - OBL
Research
Pattern Recoginition
Computer Vision
Machine Intelligence
Terahertz Imaging
Health Engineering
Opposition-Based Learning
Students
Current Students
Former Students
Projects
LORNET
Prostate Cancer
Breast Cancer
Radiation Therapy
Other Projects
Publications
Books & Chapters
Journals
Conferences
Reports etc.
University of Waterloo :: Faculty of Engineering :: Systems Design

Projects …
Radiation Therapy

According to Statistics Canada, 145,500 new cases of cancer will be diagnesed in Canada, and 68,300 Canadians will die of cancer in 2004. Every week, 2,798 Canadians are diagnosed with cancer.

Radiation therapy is the use of high-energy penetrating rays or subatomic particles to destroy the tumor. The goal is killing cancerous cells by delivering a high dose of radiation to the tumor while
preserving/sparing healthy tissues.

The linear accelerator, LINAC, is A machine that creates highenergy radiation to treat cancer, using electricity to form a stream of fast-moving subatomic particles.

 Radiotherapy

Radiation therapy is a widely used treatment of cancer. We focus on different aspects of medical imaging in the radiotherapy:

  • Enhancement and restoration of portal images (megavoltage images)

  • Multimodal image fusion for patient set-up verification

 

 

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Portal Imaging

In external radiotherapy a beam of high- energy x- rays is delivered to the tumor. The beam is
generated outside the patient by a
linear accelerator (LINAC).

The port (or treatment field) is the area of the body through which external beam radiation is directed to reach a tumour.

Portal (or megavolatge) images are online images used for patient set-up verification during the treatment.


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