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

Design Example: Traverse Angle Computations01:25

Design Example: Traverse Angle Computations

341
Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...
341
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

368
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
368
Masking and Demasking Agents01:19

Masking and Demasking Agents

3.6K
EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...
3.6K
Administering Oxygen by Mask01:30

Administering Oxygen by Mask

2.4K
Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
2.4K
Frequency-dependent Selection01:21

Frequency-dependent Selection

24.0K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
24.0K
Group Design02:01

Group Design

10.5K
The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
10.5K

You might also read

Related Articles

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

Sort by
Same author

Balloon Fracture Fenestration after Frozen Elephant Trunk Deployment to Eliminate Retrograde False-Lumen Perfusion in a Type B Dissection-Complicated Arch Aneurysm.

Surgical case reports·2026
Same author

Norwood procedure with left coronary artery reimplantation for hypoplastic left heart syndrome combined with Anomalous left coronary artery from the right pulmonary artery: a case report.

General thoracic and cardiovascular surgery cases·2026
Same author

Checkerboarded spherical phase-based computational optical scanning holography.

Applied optics·2026
Same author

Mechanisms of aroma compound formation in traditional Japanese sake brewing by natural lactic acid fermentation: Insights from solvent-assisted stir bar sorptive extraction with GC-MS and bacterial flora analysis.

Food chemistry·2025
Same author

Left Ventricular Pseudoaneurysm Possibly Associated with Rivaroxaban Therapy Disappeared after Cessation of Rivaroxaban: Case Report and Literature Review.

Surgical case reports·2025
Same author

Improvement of image quality by intensity compensation based on temporal multiplexing in a binary phase-only holographic display.

Applied optics·2025

Related Experiment Video

Updated: Feb 2, 2026

Author Spotlight: Advancing Cardiovascular Imaging - Introducing the Spatially Weighted Calcium Score for Early Disease Detection
06:57

Author Spotlight: Advancing Cardiovascular Imaging - Introducing the Spatially Weighted Calcium Score for Early Disease Detection

Published on: September 22, 2023

1.5K

Computational ghost imaging with designed low spatial frequency masks.

Yuya Yamazaki, Takanori Nomura

    Applied Optics
    |November 22, 2018
    PubMed
    Summary

    Computational ghost imaging (CGI) can image with weak light but needs many measurements. This study introduces a new CGI method using low spatial frequency masks to reduce measurements, enabling efficient imaging in biomedical applications.

    Area of Science:

    • Optics and Photonics
    • Biomedical Imaging
    • Computational Imaging

    Background:

    • Minimally invasive imaging with weak illumination is crucial in biomedical fields.
    • Computational ghost imaging (CGI) enables imaging under limited illumination conditions.
    • Conventional CGI necessitates a high number of measurements, especially with reduced illumination intensity.

    Purpose of the Study:

    • To propose a novel method for reducing the number of measurements in CGI.
    • To enhance the efficiency of imaging under weak illumination conditions.
    • To demonstrate the feasibility of the proposed technique for biomedical imaging applications.

    Main Methods:

    • Design of low spatial frequency masks for CGI.
    • Implementation of a modified CGI algorithm utilizing these masks.

    More Related Videos

    Spatial Molecular Imaging of the Glycome Using Mass Spectrometry
    08:52

    Spatial Molecular Imaging of the Glycome Using Mass Spectrometry

    Published on: November 28, 2025

    535
    Mapping the Emergent Spatial Organization of Mammalian Cells using Micropatterns and Quantitative Imaging
    09:56

    Mapping the Emergent Spatial Organization of Mammalian Cells using Micropatterns and Quantitative Imaging

    Published on: April 30, 2019

    7.0K

    Related Experiment Videos

    Last Updated: Feb 2, 2026

    Author Spotlight: Advancing Cardiovascular Imaging - Introducing the Spatially Weighted Calcium Score for Early Disease Detection
    06:57

    Author Spotlight: Advancing Cardiovascular Imaging - Introducing the Spatially Weighted Calcium Score for Early Disease Detection

    Published on: September 22, 2023

    1.5K
    Spatial Molecular Imaging of the Glycome Using Mass Spectrometry
    08:52

    Spatial Molecular Imaging of the Glycome Using Mass Spectrometry

    Published on: November 28, 2025

    535
    Mapping the Emergent Spatial Organization of Mammalian Cells using Micropatterns and Quantitative Imaging
    09:56

    Mapping the Emergent Spatial Organization of Mammalian Cells using Micropatterns and Quantitative Imaging

    Published on: April 30, 2019

    7.0K
  • Validation through numerical simulations and experimental setups.

    • Main Results:

    • The proposed method significantly reduces the required number of measurements compared to conventional CGI.
    • Successful imaging of objects was achieved with fewer measurements under weak illumination.
    • Feasibility confirmed by both numerical simulations and experimental data.

    Conclusions:

    • The developed low spatial frequency mask approach offers a more efficient alternative for CGI.
    • This method addresses the limitation of high measurement requirements in weak illumination imaging.
    • The technique holds promise for advancing minimally invasive biomedical imaging.