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

Uniform Depth Channel Flow: Problem Solving01:18

Uniform Depth Channel Flow: Problem Solving

99
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
99
Typical Model Studies01:30

Typical Model Studies

388
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
388
Curvilinear Motion: Rectangular Components01:23

Curvilinear Motion: Rectangular Components

510
Curvilinear motion characterizes the movement of a particle or object along a curved path, notably evident when envisioning a car navigating a winding road. If the car starts at point A, its position vector is established within a fixed frame of reference, where the ratio of the position vector to its magnitude signifies the unit vector pointing in the position vector's direction.
As the car advances, its position evolves over time. Quantifying the car's velocity involves computing the...
510
Reflection of Waves01:07

Reflection of Waves

3.8K
When a wave travels from one medium to another, it gets reflected at the boundary of the second medium. A common example of this is when a person yells at a distance from a cliff and hears the echo of their voice. The sound waves (longitudinal waves) traveling in the air are reflected from the bounding cliff. Similarly, flipping one end of a string whose other end is tied to a wall causes a pulse (transverse wave) to travel through the string, which gets reflected upon reaching the wall. In...
3.8K
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

428
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
428
Uniform Depth Channel Flow01:27

Uniform Depth Channel Flow

107
Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant cross-section...
107

You might also read

Related Articles

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

Sort by
Same author

IL-2 synergizes with proinflammatory type 3 inducers to amplify mixed type 2-type 3 inflammation in nasal polyps.

The Journal of allergy and clinical immunology·2026
Same author

Efficacy of ceftazidime-avibactam with or without polymyxin for carbapenem-resistant <i>Klebsiella pneumoniae</i> infections after initial treatment with polymyxin.

Microbiology spectrum·2024
Same author

Interleukin-33: Expression, regulation and function in adipose tissues.

International immunopharmacology·2024
Same author

Clinical Outcomes and Risk Factors for Death in Critically Ill Patients with Carbapenem-Resistant <i>Klebsiella pneumoniae</i> Treated with Ceftazidime-Avibactam: A Retrospective Study.

Infection and drug resistance·2024
Same author

Associations of tenascin C with Th2 response, edema degree, and disease severity in patients with chronic rhinosinusitis with nasal polyps.

Allergy·2024
Same author

Obesity alters immunopathology in cancers and inflammatory diseases.

Obesity reviews : an official journal of the International Association for the Study of Obesity·2023

Related Experiment Video

Updated: Jul 31, 2025

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
10:16

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

Published on: February 8, 2014

12.3K

Inverted pyramid frame forward and backward prediction for distorted video by water waves.

Yiqian Cao, Chengtao Cai, Haiyang Meng

    Applied Optics
    |May 3, 2023
    PubMed
    Summary

    This study introduces a novel method for restoring distorted videos by employing an inverted pyramid structure and multi-scale image fusion. The approach significantly enhances video sharpness and reduces restoration time compared to existing techniques.

    More Related Videos

    High Throughput Analysis of Liquid Droplet Impacts
    09:00

    High Throughput Analysis of Liquid Droplet Impacts

    Published on: March 6, 2020

    6.5K
    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
    11:34

    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

    Published on: December 3, 2013

    15.7K

    Related Experiment Videos

    Last Updated: Jul 31, 2025

    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
    10:16

    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

    Published on: February 8, 2014

    12.3K
    High Throughput Analysis of Liquid Droplet Impacts
    09:00

    High Throughput Analysis of Liquid Droplet Impacts

    Published on: March 6, 2020

    6.5K
    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
    11:34

    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

    Published on: December 3, 2013

    15.7K

    Area of Science:

    • Computer Vision
    • Image Processing
    • Video Restoration

    Background:

    • Restoring single images from distorted video presents challenges due to random surface variations and complex geometric distortions.
    • Existing methods struggle with accurately modeling surfaces and handling frame-specific distortions.

    Purpose of the Study:

    • To develop an advanced method for restoring distorted videos with improved accuracy and efficiency.
    • To address limitations in current video restoration techniques, particularly those involving complex geometric distortions.

    Main Methods:

    • Proposed an inverted pyramid structure utilizing cross optical flow registration to estimate original pixel positions.
    • Implemented a multi-scale weight fusion method based on wavelet decomposition for combining processed video inputs.
    • Employed two iterative steps to enhance the accuracy and stability of the restored video output.

    Main Results:

    • The proposed method demonstrated significant improvements over reference techniques on various distorted videos.
    • Restored videos exhibited a higher degree of sharpness and visual clarity.
    • The restoration process time was substantially reduced compared to existing approaches.

    Conclusions:

    • The developed inverted pyramid and multi-scale fusion method effectively restores distorted videos.
    • This technique offers a more accurate, stable, and efficient solution for video restoration challenges.
    • The findings suggest a promising advancement in correcting geometric distortions in video sequences.