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on
1
Intro
2
Inside a CT Scanner
3
CT in Operation
4
Forward Model Mean measurements as a function of parameters
5
Noise in Projection Data
6
Beam Shaping - Bowtie Filter
7
Multiple Aperture Devices (MAD)
8
Experimental CBCT Bench
9
MAD Acquisition - Ellipse Phanto
10
Customized CT Workflow Customized 3D Scout Volume Modulation
11
Image Quality
12
Task-Based Performance
13
Task-Performance: Detectability In
14
System Modeling
15
Task-Driven Imaging Framework Task-Drive
16
Traditional and Task-Driven Acq/Re
17
Sample Reconstructions Task-driven
18
Traditional versus Task-Driven Fluence-Field Mody
19
Reconstructions of Simulated FFM Data
20
Other Novel Acquisition: Orbits
21
Task-Driven Interventional Imagin
22
Trajectory Design
23
Emulated Workflow on CBCT Ben Anthropomorphic Head Phantom and Synthetic Vasculature
24
CBCT Bench Results
25
Multi-Location (or Multi-Task) Optimi
26
Circular vs. Designed Orbit Reconstru
27
Spectral CT
28
Energy-Dependent Attenuation
29
Spatial-Spectral Filters Filter Detalls K-Edge Filter Tiles Translating
30
Spatial-Spectral Simulation
31
Spatial-Spectral Design Optimizatio
Description:
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. Read more

Customized CT Workflow and Task-Driven Imaging Techniques

IEEE Signal Processing Society
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