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

Precipitation Processes01:12

Precipitation Processes

The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
Region of Convergence of Laplace Tarnsform01:20

Region of Convergence of Laplace Tarnsform

The Region of Convergence (ROC) is a fundamental concept in signal processing and system analysis, particularly associated with the Laplace transform. The ROC represents an area in the complex plane where the Laplace transform of a given signal converges, determining the transform's applicability and utility.
Consider a decaying exponential signal that begins at a specific time. When deriving its Laplace transform, the time-domain variable is replaced with a complex variable. This substitution...
Curvilinear Motion: Rectangular Components01:23

Curvilinear Motion: Rectangular Components

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 time...
Precipitation Gravimetry01:03

Precipitation Gravimetry

Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
Boundary Layer Characteristics01:18

Boundary Layer Characteristics

When a fluid encounters a solid surface, a boundary layer forms due to the interaction between the fluid's motion and the stationary surface. This phenomenon is characterized by a thin region adjacent to the surface where viscous forces dominate, influencing the fluid's velocity profile. The development of the boundary layer begins at the leading edge of the surface and evolves as the fluid moves downstream.As the fluid flows over the surface, friction between the fluid and the wall slows down...

You might also read

Related Articles

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

Sort by
Same author

Microbiome depletion rejuvenates the aging brain.

bioRxiv : the preprint server for biology·2026
Same author

Corrigendum to "Plasma growth differentiation factors 8 and 11 levels in cats with congestive heart failure secondary to hypertrophic cardiomyopathy" [J Vet Cardiol 25 (2019 Oct) 41-51].

Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2024
Same author

Plasma growth differentiation factors 8 and 11 levels in cats with congestive heart failure secondary to hypertrophic cardiomyopathy.

Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2019
Same author

Molecular Pathogenesis of Paroxysmal Nocturnal Hemoglobinuria.

Hematology (Amsterdam, Netherlands)·2016
Same author

Implementation of supportive care and best supportive care interventions in clinical trials enrolling patients with cancer†.

Annals of oncology : official journal of the European Society for Medical Oncology·2015
Same author

The use of functional appliances in contemporary orthodontic practice.

British dental journal·2015

Related Experiment Video

Updated: Jul 7, 2026

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves
06:48

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

An elastic contour matching model for tropical cyclone pattern recognition.

R T Lee1, J K Lin

  • 1Dept. of Comput., Hong Kong Polytech., Kowloon.

IEEE Transactions on Systems, Man, and Cybernetics. Part B, Cybernetics : a Publication of the IEEE Systems, Man, and Cybernetics Society
|February 5, 2008
PubMed
Summary

A new elastic graph dynamic link model automates tropical cyclone (TC) analysis from satellite images. This advanced method significantly improves TC classification accuracy and eye-location prediction, outperforming older models.

More Related Videos

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
10:28

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

Related Experiment Videos

Last Updated: Jul 7, 2026

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves
06:48

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
10:28

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

Area of Science:

  • Meteorology
  • Computer Vision
  • Artificial Intelligence

Background:

  • Automated tropical cyclone (TC) analysis is crucial for accurate forecasting and disaster preparedness.
  • Traditional methods like the Dvorak technique require manual interpretation of satellite imagery, which can be time-consuming and subjective.
  • Existing automated methods often struggle with complex TC patterns and accurate eye-tracking.

Purpose of the Study:

  • To develop and validate an automated system for tropical cyclone pattern interpretation using satellite images.
  • To enhance the accuracy and efficiency of the Dvorak technique through a novel computational model.
  • To improve the precise localization of the hurricane eye in satellite imagery.

Main Methods:

  • Proposed an elastic graph dynamic link model (EGDLM) integrating dynamic link architecture (DLA) and active contour models (ACM).
  • Utilized satellite imagery from the National Oceanic and Atmospheric Administration (NOAA) for 120 tropical cyclone cases (1990-1998).
  • Employed elastic contour matching for robust feature extraction and pattern recognition.

Main Results:

  • Achieved an overall tropical cyclone classification accuracy exceeding 95%.
  • Demonstrated high precision in locating the hurricane eye, with a deviation within 3 km of actual measurements.
  • Showcased a significant performance improvement of over 1000 times compared to classical DLA models.

Conclusions:

  • The proposed EGDLM offers a highly accurate and automated solution for tropical cyclone analysis from satellite data.
  • The model simplifies feature representation, network initialization, and training, leading to superior recognition performance.
  • This advancement has the potential to revolutionize TC monitoring and forecasting.