Stiffness Gradient
Category Elastography Descriptor Term Stiffness Gradient Definition of Stiffness Gradient Variation Of Tissue Stiffness Across A Lesion Or Organ Notes About Stiffness Gradient May Indicate Invasive Tumor Margins
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Proton Density (PD)
Category Tissue Property Term Proton Density (PD) Definition of Proton Density (PD) Relative Number Of Hydrogen Protons Per Unit Volume Contributing To Signal Notes About Proton Density (PD) PD Weighted Images Emphasize Proton Concentration
Attenuation Units
Category CT To PET Mapping Term Attenuation Units Definition of Attenuation Units Conversion Of CT Hounsfield Units To Linear Attenuation Coefficients At 511 KeV For PET Correction Notes About Attenuation Units Requires Energy Mapping And Scaling
Community Screening Outreach Kits
Category Outreach Resource Term Community Screening Outreach Kits Definition of Community Screening Outreach Kits Portable Supplies And Educational Materials For Off Site Screening Events Using Imaging Modalities Notes About Community Screening Outreach Kits Supports Public Health
X Ray Tube
Category Hardware Term X Ray Tube Definition of X Ray Tube Vacuum Tube That Generates X Rays By Accelerating Electrons Toward A Target Anode Notes About X Ray Tube Key Components Include Cathode, Anode, And Glass Envelope
Active Learning
Category Data Efficiency Technique Term Active Learning Definition of Active Learning Selecting Most Informative Samples For Labeling To Reduce Annotation Cost Notes About Active Learning Useful When Labeling Is Expensive
RGB D Camera
Category Sensor Term RGB D Camera Definition of RGB D Camera Camera Providing Color (RGB) And Depth (D) Information For Perception And Scene Understanding Notes About RGB D Camera Examples: Kinect, RealSense
Hepatobiliary Contrast Agents
Category Contrast Media Term Hepatobiliary Contrast Agents Definition of Hepatobiliary Contrast Agents Gadolinium Agents Taken Up By Hepatocytes Providing Delayed Phase Liver Parenchymal Enhancement Notes About Hepatobiliary Contrast Agents Useful For Focal Lesion Characterization
Anode Heel Effect
Category Beam Characteristic Term Anode Heel Effect Definition of Anode Heel Effect Variation In Beam Intensity Along Anode Cathode Axis Due To X Ray Attenuation In The Anode Notes About Anode Heel Effect Important For Positioning Thick Versus Thin Anatomy
Phase Cancellation
Category Artifact Term Phase Cancellation Definition of Phase Cancellation Reduction Or Loss Of Echoes When Out Of Phase Signals Interfere Notes About Phase Cancellation Can Reduce Visibility Of Small Structures