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

Convergent Evolution01:54

Convergent Evolution

32.9K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
32.9K
The Evidence for Evolution02:55

The Evidence for Evolution

48.1K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
48.1K
Centroid of a Body01:16

Centroid of a Body

1.8K
The centroid is an important concept in engineering, physics, and mechanics. It is the geometric center of a body. It always lies within the body except in cases with holes or cavities. When the material that a body is composed of is uniform or homogeneous, the centroid coincides with its center of mass or the center of gravity.
For a homogeneous body with constant density, the centroid can usually be found using equations representing a balance of the moments of the body's volume. If the...
1.8K
Centroid for the Paraboloid of Revolution01:16

Centroid for the Paraboloid of Revolution

904
The paraboloid of revolution is an axially symmetric surface generated by rotating a parabola around its axis. This shape has several applications in mechanical engineering due to its advantageous structural properties, such as strength against stress concentration points and rotational symmetry.
The centroid for the paraboloid of revolution is the point where all the mass of the paraboloid is concentrated. This centroid is important for engineering applications, as it determines how forces are...
904
Centroid of a Body: Problem Solving01:03

Centroid of a Body: Problem Solving

1.9K
The centroid of a body is a crucial concept in engineering and physics. Finding the centroid of a body can help determine its stability, its balance point, and even its design. In this context, consider a thin wire bent in the form of a quarter circular arc. Polar coordinates are used to calculate the centroid. The wire is first divided into small differential elements of a length equal to the radius multiplied by the differential angle.
The x-coordinates and y-coordinates of each element's...
1.9K
Eukaryotic Evolution01:24

Eukaryotic Evolution

41.4K
The endosymbiont theory is the most widely accepted theory of eukaryotic evolution; however, its progression is still somewhat debated. According to the nucleus-first hypothesis, the ancestral prokaryote first evolved a membrane to enclose DNA and form the nucleus. Conversely, the mitochondria-first hypothesis suggests that the nucleus was formed after endosymbiosis of mitochondria.
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...
41.4K

You might also read

Related Articles

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

Sort by
Same author

Construction of Surface-Modified Polydopamine Nanoparticles for Sequential Drug Release and Combined Chemo-Photothermal Cancer Therapy.

Molecular pharmaceutics·2021
Same author

Folic Acid-Modified Erythrocyte Membrane Loading Dual Drug for Targeted and Chemo-Photothermal Synergistic Cancer Therapy.

Molecular pharmaceutics·2020
Same author

Construction and application of an HSP70 promoter-inducible genome editing system in transgenic silkworm to induce resistance to Nosema bombycis.

Applied microbiology and biotechnology·2019
Same author

SNHG14 stimulates cell autophagy to facilitate cisplatin resistance of colorectal cancer by regulating miR-186/ATG14 axis.

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie·2019
Same author

Relationship between left ventricular isovolumic relaxation flow patterns and mitral inflow patterns studied by using vector flow mapping.

Scientific reports·2019
Same author

A Microfluidic Device Integrating Impedance Flow Cytometry and Electric Impedance Spectroscopy for High-Efficiency Single-Cell Electrical Property Measurement.

Analytical chemistry·2019
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Feb 2, 2026

The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight
10:27

The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight

Published on: October 11, 2016

10.0K

Synthetic imaging through wavy water surface with centroid evolution.

Ruiwen Zhang, Dahua He, Yapeng Li

    Optics Express
    |November 25, 2018
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a progressive image restoration method for imaging through wavy water. The novel technique progressively mitigates distortion and blur during image acquisition, achieving comparable results with fewer frames.

    More Related Videos

    Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces
    08:50

    Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

    Published on: September 26, 2014

    10.6K
    Preparation of Free-Surface Hyperbolic Water Vortices
    04:35

    Preparation of Free-Surface Hyperbolic Water Vortices

    Published on: July 28, 2023

    3.8K

    Related Experiment Videos

    Last Updated: Feb 2, 2026

    The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight
    10:27

    The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight

    Published on: October 11, 2016

    10.0K
    Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces
    08:50

    Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

    Published on: September 26, 2014

    10.6K
    Preparation of Free-Surface Hyperbolic Water Vortices
    04:35

    Preparation of Free-Surface Hyperbolic Water Vortices

    Published on: July 28, 2023

    3.8K

    Area of Science:

    • Optical Engineering
    • Image Processing

    Background:

    • Imaging through wavy water surfaces presents significant challenges due to anisoplanatism.
    • Traditional methods require multi-stage processing on pre-acquired image sequences.

    Purpose of the Study:

    • To develop a progressive image restoration scheme that operates concurrently with image acquisition.
    • To mitigate distortion and blur in underwater imaging progressively.

    Main Methods:

    • The proposed method integrates anisotropic evolution in lucky region fusion.
    • A novel progressive optical flow-based de-warping scheme, termed centroid evolution, is introduced.

    Main Results:

    • The progressive restoration scheme achieves comparable results to state-of-the-art techniques.
    • The method demonstrates effectiveness using significantly fewer acquired frames.
    • Experiments with real through-water scenes validate the proposed approach.

    Conclusions:

    • The novel progressive scheme effectively restores images acquired through wavy water.
    • This approach offers an efficient alternative to traditional multi-stage processing.
    • The method shows promise for real-time applications in underwater imaging.