Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

What is Variation?01:14

What is Variation?

18.5K
Apart from the measures of central tendency, distribution, outliers, and the changing characteristics of data with time, an important characteristic of any data set is its variation or spread. In some data sets, the data values are concentrated closely near the mean; in others, the data values are more widely spread out from the mean.
The range, standard deviation, standard error, and variance are the different measures of variation.
Range: The range is the difference between its maximum and...
18.5K
Variation: Normal Distribution, Range, and Standard Deviation02:32

Variation: Normal Distribution, Range, and Standard Deviation

28.3K
In the field of psychology, there are several ways to organize measurements of a trait, feature, or characteristic (i.e., variables). Qualitative data, such as ethnicity, can be tabulated into a frequency count to provide information about the proportion, as well as the variety of groups in a sample or population. On the other hand, researchers can perform a wider set of calculations on quantitative data. The mean, mode, and median, for instance, are central tendency measures to identify a...
28.3K
Sputum Studies II: Culture and Sensitivity01:20

Sputum Studies II: Culture and Sensitivity

1.3K
Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...
1.3K
Variation01:19

Variation

8.0K
An important characteristic of any set of data is the variation in the data. In some data sets, the data values are concentrated closely near the mean; in other data sets, the data values are more widely spread out from the mean. The most common measure of variation, or spread, is the standard deviation, which is the square root of variance.
When independent and dependent variables are plotted on a scatter plot, the slope of a line is a value that describes the rate of change between the two...
8.0K
Conservative Site-specific Recombination and Phase Variation02:53

Conservative Site-specific Recombination and Phase Variation

6.8K
Because the DNA segments are cut and reorganized in a direction-specific manner, site-specific recombination has emerged as an efficient genetic engineering technique. Flippase and Cyclization recombinases or Flp and Cre, respectively, are two members of the tyrosine recombinase family derived from bacteriophages, that are used to mediate site-specific DNA insertions, deletions, and targeted expression of proteins in mammalian cell lines.
The recognition sites for Cre recombinase called LoxP...
6.8K
Urine Studies II: Urine Culture and Sensitivity Test01:26

Urine Studies II: Urine Culture and Sensitivity Test

1.1K
A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
1.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[A Comprehensive Evaluation of the Performance of Large Language Models on the Japanese National Examination for Radiological Technologists].

Nihon Hoshasen Gijutsu Gakkai zasshi·2026
Same author

Advancing chest radiograph interpretation training via e-learning: A study on radiography students.

Journal of medical imaging and radiation sciences·2026
Same author

Effect of the Temporal Sampling Strategy for the Assessment of Cerebral Perfusion in Multidelay Arterial Spin Labeling.

NMR in biomedicine·2026
Same author

Basic characteristics of do-it-yourself dosimeter in general radiography system.

Radiological physics and technology·2026
Same author

Investigation of dynamic chest radiography exposure parameters using static chest radiography conditions.

Radiological physics and technology·2026
Same author

Impact of Deep Learning-Based Time-of-Flight PET Images of Small Tumors Using a Human Anatomic Phantom.

Journal of nuclear medicine technology·2025

Related Experiment Video

Updated: Feb 5, 2026

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging
04:54

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging

Published on: June 16, 2023

3.8K

Variations in slice sensitivity profile for various height settings in tomosynthesis imaging: Phantom study.

Taku Kuramoto1, Junji Morishita2, Toyoyuki Kato3

  • 1Department of Health Sciences, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; Division of Radiology, Department of Medical Technology, Kyushu University Hospital, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.

Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)
|September 23, 2018
PubMed
Summary

Slice sensitivity profile (SSP) in tomosynthesis imaging is affected by the height of the metal bead and center of rotation (COR). Adjusting these heights impacts SSP, crucial for accurate diagnostic imaging.

Keywords:
Center of rotationSlice sensitivity profileSlice thicknessTomosynthesis imaging

More Related Videos

New Variations for Strategy Set-shifting in the Rat
09:45

New Variations for Strategy Set-shifting in the Rat

Published on: January 23, 2017

8.6K
Use of a Multi-compartment Dynamic Single Enzyme Phantom for Studies of Hyperpolarized Magnetic Resonance Agents
08:59

Use of a Multi-compartment Dynamic Single Enzyme Phantom for Studies of Hyperpolarized Magnetic Resonance Agents

Published on: April 15, 2016

7.2K

Related Experiment Videos

Last Updated: Feb 5, 2026

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging
04:54

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging

Published on: June 16, 2023

3.8K
New Variations for Strategy Set-shifting in the Rat
09:45

New Variations for Strategy Set-shifting in the Rat

Published on: January 23, 2017

8.6K
Use of a Multi-compartment Dynamic Single Enzyme Phantom for Studies of Hyperpolarized Magnetic Resonance Agents
08:59

Use of a Multi-compartment Dynamic Single Enzyme Phantom for Studies of Hyperpolarized Magnetic Resonance Agents

Published on: April 15, 2016

7.2K

Area of Science:

  • Medical Imaging Physics
  • Radiological Technology
  • Diagnostic Imaging

Background:

  • Accurate diagnosis in tomosynthesis imaging relies on understanding slice sensitivity profile (SSP) properties.
  • Slice thickness directly influences image quality and diagnostic reproducibility.

Purpose of the Study:

  • To quantitatively assess how SSP is affected by bead height and center of rotation (COR) height in tomosynthesis.
  • To visually confirm these effects on tomosynthesis images using anthropomorphic phantoms.

Main Methods:

  • Measured SSP using the full width at half maximum (FWHM-SSP) of a metal bead's profile.
  • Varied bead and COR heights relative to the table in tomosynthesis imaging.
  • Utilized three reconstruction filters (filtered back-projection and iterative) and anthropomorphic phantoms.

Main Results:

  • FWHM-SSP varied with bead height when bead and COR were at the same level.
  • FWHM-SSP increased when bead height exceeded COR height, and decreased when it was lower.
  • Observed changes were consistent across different reconstruction filters and phantom types.

Conclusions:

  • The relative heights of the bead and COR significantly influence SSP in tomosynthesis.
  • Precise control of these parameters is essential for optimizing SSP and ensuring diagnostic accuracy.
  • Findings are applicable to various tomosynthesis applications except digital breast tomosynthesis.