Explore advanced concepts in computed tomography (CT) imaging through this comprehensive webinar presented by Prof. J. Webster Stayman from Johns Hopkins University. Delve into the inner workings of CT scanners, understanding their operation and the forward model for mean measurements. Examine noise in projection data, beam shaping techniques, and the use of Multiple Aperture Devices (MAD) in experimental cone-beam CT (CBCT) setups. Learn about customized CT workflows, including 3D scout volume modulation and task-based performance metrics. Compare traditional and task-driven acquisition and reconstruction methods, exploring their impact on image quality and detectability. Discover novel acquisition techniques, such as optimized orbits and task-driven interventional imaging. Investigate the potential of spectral CT, including energy-dependent attenuation and spatial-spectral filters. Gain insights into cutting-edge research and advancements in CT technology that are shaping the future of medical imaging.
Customized CT Workflow and Task-Driven Imaging Techniques
IEEE Signal Processing Society via YouTube
Overview
Syllabus
Intro
Inside a CT Scanner
CT in Operation
Forward Model Mean measurements as a function of parameters
Noise in Projection Data
Beam Shaping - Bowtie Filter
Multiple Aperture Devices (MAD)
Experimental CBCT Bench
MAD Acquisition - Ellipse Phanto
Customized CT Workflow Customized 3D Scout Volume Modulation
Image Quality
Task-Based Performance
Task-Performance: Detectability In
System Modeling
Task-Driven Imaging Framework Task-Drive
Traditional and Task-Driven Acq/Re
Sample Reconstructions Task-driven
Traditional versus Task-Driven Fluence-Field Mody
Reconstructions of Simulated FFM Data
Other Novel Acquisition: Orbits
Task-Driven Interventional Imagin
Trajectory Design
Emulated Workflow on CBCT Ben Anthropomorphic Head Phantom and Synthetic Vasculature
CBCT Bench Results
Multi-Location (or Multi-Task) Optimi
Circular vs. Designed Orbit Reconstru
Spectral CT
Energy-Dependent Attenuation
Spatial-Spectral Filters Filter Detalls K-Edge Filter Tiles Translating
Spatial-Spectral Simulation
Spatial-Spectral Design Optimizatio
Taught by
IEEE Signal Processing Society
