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

Radial System Protection01:23

Radial System Protection

470
Radial systems employ time-delay overcurrent relays to reduce load interruptions. When a fault occurs, the nearest breaker opens first, while upstream breakers remain closed due to longer delay settings. This approach ensures minimal disruption to the rest of the system.
In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...
470
Distance Corrections01:15

Distance Corrections

344
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
344
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

6.9K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
6.9K
Deformation in a Circular Shaft01:10

Deformation in a Circular Shaft

1.0K
One of the distinctive characteristics of circular shafts is their ability to maintain their cross-sectional integrity under torsion. In other words, each cross-section continues to exist as a flat, unaltered entity, simply rotating like a solid, rigid slab. To understand the distribution of shearing stress within such a shaft, consider a cylindrical section inside this circular shaft. This section has a length of L and a radius of R, with one end fixed. The radius of the cylindrical section is...
1.0K
Curvilinear Motion: Rectangular Components01:23

Curvilinear Motion: Rectangular Components

1.4K
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...
1.4K
Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

1.1K
During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance. Over a...
1.1K

You might also read

Related Articles

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

Sort by
Same author

Self-assembly for cuproptosis-based cancer therapy and imaging.

Chemical Society reviews·2026
Same author

An exploration into the transplacental transfer of microplastics through placental transporters.

Journal of environmental sciences (China)·2026
Same author

Synergistic integration of sustainable wastewater treatment and agricultural waste valorization: Rapid in-situ enrichment of anammox bacteria via corncob biocarriers.

Bioresource technology·2026
Same author

A spatiotemporal selective bioinspired hybrid system engineered for preventing post-thrombolysis recurrence by inhibiting the ferroptosis pathway and reprogramming macrophages.

Acta pharmaceutica Sinica. B·2026
Same author

Predictive control of earth pressure balance in shield tunneling using a hybrid learning approach.

Scientific reports·2026
Same author

Single-cell and spatial transcriptomics reveals the spatiotemporal trajectory of the small peptide TAP4 in delaying postharvest fruit senescence.

Plant communications·2026
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

Related Experiment Video

Updated: Mar 12, 2026

Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration
07:03

Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration

Published on: February 23, 2017

8.1K

Radial distortion correction in a vision system.

Qiyue Wang, ZhongYu Wang, Tim Smith

    Applied Optics
    |November 10, 2016
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces an iteration geometrical similar method for radial distortion correction in vision systems. The new method improves accuracy in visual measurements, outperforming existing techniques like LRA and DM.

    More Related Videos

    Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery
    05:12

    Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery

    Published on: August 12, 2021

    2.5K
    Measuring the Complete-arch Distortion of an Optical Dental Impression
    06:51

    Measuring the Complete-arch Distortion of an Optical Dental Impression

    Published on: May 30, 2019

    8.1K

    Related Experiment Videos

    Last Updated: Mar 12, 2026

    Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration
    07:03

    Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration

    Published on: February 23, 2017

    8.1K
    Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery
    05:12

    Robotized Testing of Camera Positions to Determine Ideal Configuration for Stereo 3D Visualization of Open-Heart Surgery

    Published on: August 12, 2021

    2.5K
    Measuring the Complete-arch Distortion of an Optical Dental Impression
    06:51

    Measuring the Complete-arch Distortion of an Optical Dental Impression

    Published on: May 30, 2019

    8.1K

    Area of Science:

    • Computer Vision
    • Optical Metrology

    Background:

    • Accurate lens distortion correction is crucial for visual measurement systems.
    • Radial distortion is a primary challenge in vision systems.

    Purpose of the Study:

    • To propose a novel radial distortion correction method: the iteration geometrical similar method.
    • To decouple radial distortion coefficients from other camera parameters.

    Main Methods:

    • Utilizing an initial method to determine the geometrical similar degree of image points.
    • Employing an iteration approximation model for distortion coefficient estimation.
    • Decoupling radial distortion coefficients and camera parameters.

    Main Results:

    • Computer simulations demonstrated good correction performance, even with image noise and varying distortion levels.
    • Practical experiments showed the proposed method achieved an average straightness of 0.195 pixels, superior to LRA (0.394 pixels) and DM (0.438 pixels).
    • Camera calibration using rectified images yielded a mean reprojection error of 0.137 pixels, significantly lower than LRA (0.421 pixels) and DM (0.462 pixels).

    Conclusions:

    • The iteration geometrical similar method offers superior accuracy for radial distortion correction.
    • The proposed method enhances precision in visual-based measurements and camera calibration.