CT Systems: Gantry, Detectors & Reconstruction

Syllabus

# CTM 101 - CT Systems: Gantry, Detectors & Reconstruction

**Credits:** 3
**Term:** 1

## Course Description
CTM 101 provides an in-depth exploration of Computed Tomography (CT) systems, focusing on the core components and operational principles essential for biomedical equipment service technicians. This course covers the intricate mechanics and electronics of CT gantry systems, including slip rings, high-voltage generators, and rotating anode X-ray tubes. Students will analyze various detector array technologies and the critical processes of data acquisition. A significant portion of the course is dedicated to understanding the mathematical foundations of image reconstruction, including filtered back projection and iterative reconstruction techniques. Practical applications include CT system calibration procedures, quality assurance testing, and fundamental troubleshooting methodologies. Emphasis is placed on safety protocols, vendor-neutral service practices, and maintaining diagnostic image quality.

## Learning Outcomes
Upon successful completion of this course, students will be able to:
* Explain the operational principles and components of CT gantry systems, including slip rings and X-ray tube assemblies.
* Differentiate between various CT detector technologies and their impact on image acquisition.
* Describe the data acquisition process in CT, from raw data generation to pre-processing.
* Apply fundamental mathematical concepts underlying CT image reconstruction algorithms, such as filtered back projection.
* Perform essential CT system calibration procedures and quality assurance tests.
* Identify common CT system malfunctions and apply systematic troubleshooting strategies.

## Topics by Week
* **Week 1:** Introduction to CT Systems and Safety
* **Week 2:** CT Gantry Mechanics and Slip Rings
* **Week 3:** X-ray Generation and Rotating Anode Tubes
* **Week 4:** High Voltage Generators and Power Distribution
* **Week 5:** CT Detector Technologies and Principles
* **Week 6:** Data Acquisition System (DAS) Architecture
* **Week 7:** Raw Data Processing and Pre-reconstruction Filtering
* **Week 8:** Fundamentals of Image Reconstruction: Filtered Back Projection
* **Week 9:** Advanced Reconstruction Techniques and Artifacts
* **Week 10:** CT Image Quality Metrics and Parameters
* **Week 11:** CT System Calibration Procedures
* **Week 12:** CT Quality Assurance and Performance Testing
* **Week 13:** Midterm Review and Troubleshooting Methodologies
* **Week 14:** Final Exam Review and Advanced Service Concepts

## Grading
* Knowledge Checks: 15%
* Assignments and Labs: 30%
* Quizzes: 25%
* Final Exam: 30%

## Policies
* **Attendance:** Active participation in all online activities, including lectures, labs, and discussions, is expected.
* **Late Submissions:** Late assignments may be subject to a penalty of 10% per day, up to a maximum of 50%. Extensions must be requested and approved by the instructor prior to the due date.
* **Academic Integrity:** All work submitted must be original. Plagiarism or any form of academic dishonesty will result in a failing grade for the assignment and potential disciplinary action.
* **Technical Requirements:** Students are responsible for ensuring reliable internet access and access to the necessary software for simulations and assignments.
* **Communication:** All course-related communication should be conducted through the designated learning management system (LMS) or official institute email.