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

Automatic Processing and Automatic Social Behavior01:28

Automatic Processing and Automatic Social Behavior

253
Automatic processing refers to the cognitive operations that occur without conscious intent or awareness, playing a fundamental role in shaping social cognition and behavior. These processes enable individuals to navigate complex social environments efficiently by relying on mental shortcuts and pre-existing knowledge structures known as schemas. One of the most influential mechanisms underlying automatic processing is priming, which subtly activates mental representations through exposure to...
253
Bacterial Transformation01:33

Bacterial Transformation

59.9K
In 1928, bacteriologist Frederick Griffith worked on a vaccine for pneumonia, which is caused by Streptococcus pneumoniae bacteria. Griffith studied two pneumonia strains in mice: one pathogenic and one non-pathogenic. Only the pathogenic strain killed host mice.
Griffith made an unexpected discovery when he killed the pathogenic strain and mixed its remains with the live, non-pathogenic strain. Not only did the mixture kill host mice, but it also contained living pathogenic bacteria that...
59.9K
Transformers01:26

Transformers

1.8K
A device that transforms voltages from one value to another using induction is called a transformer. A transformer consists of two separate coils, or windings, wrapped around the same soft iron core. However, they are electrically insulated from each other.
The iron core has a substantial relative permeability. Therefore, the magnetic field lines generated due to the current in one winding are almost entirely confined within the core, such that the same magnetic flux permeates each turn of both...
1.8K
Transformation01:26

Transformation

1.1K
Microbial communities are dynamic environments where cell lysis releases free DNA into the surroundings. Other cells can take up this extracellular DNA through a process known as transformation.When a cell incorporates this foreign DNA into its genome, resulting in genetic modification, the process is known as transformation. Cells capable of this process are termed competent. Competence can be natural, as observed in certain bacteria and archaea, or artificially induced in the...
1.1K
The Ideal Transformer01:26

The Ideal Transformer

1.4K
In single-phase two-winding transformers, two windings are coiled around a magnetic core characterized by cross-sectional area A and magnetic permeability μ. A phasor current i1 enters the left winding while i2 exits the right winding, establishing the fundamental working of the transformer through electromagnetic principles.
Ampere's Law forms the basis of understanding the magnetic field within the transformer. It states that the integral of the magnetic field intensity's tangential...
1.4K
Properties of the z-Transform II01:16

Properties of the z-Transform II

436
The property of Accumulation in signal processing is derived by analyzing the accumulated sum of a discrete-time signal and using the time-shifting property to determine its z-transform. This principle reveals that the z-transform of the summed signal is related to the z-transform of the original signal by a multiplicative factor.
Moreover, the convolution property indicates that the convolution of two signals in the time domain corresponds to the product of their z-transforms in the frequency...
436

You might also read

Related Articles

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

Sort by
Same author

Quantification and visualization of 3D facial aging in individuals of European ancestry.

GeroScience·2026
Same author

A statistical shape model of the human female sacrum: An integrative analysis of form.

Journal of anatomy·2026
Same author

Improved dietary control results in improvements in indices of white matter structure in adults with phenylketonuria: the ReDAPT study.

Acta neuropsychiatrica·2026
Same author

An online decision aid for patients with prostate cancer evaluating local treatment options reduces decisional conflict and distress and improves knowledge: Postmarket surveillance in German routine care.

World journal of urology·2026
Same author

JADE: jawbone lesion diagnosis and decision supporting system.

Dento maxillo facial radiology·2026
Same author

Peptidoglycan Probes for Fluorescence Polarization Displacement Assays to Investigate Ligand Recognition by Human Peptidoglycan Recognition Protein 1.

Chembiochem : a European journal of chemical biology·2026
Same journal

Cranial Base Characteristics in Adults with Obstructive Sleep Apnoea and Matched Controls: A Retrospective CBCT Study.

Dento maxillo facial radiology·2026
Same journal

Dual-Circle: a new way of assessing Temporomandibular joint (TMJ) disc position at coronal MRI.

Dento maxillo facial radiology·2026
Same journal

Quantification of Supracrestal Tissue Attachment Using High-Frequency Ultrasound.

Dento maxillo facial radiology·2026
Same journal

Radiological-pathological correlation of tumour size and depth of invasion of oral squamous cell carcinoma using Dual-Energy CT in comparison to MRI and the impact on T-stage.

Dento maxillo facial radiology·2026
Same journal

SinusNet+: Deep Condition-Label-Free Segmentation of Maxillary Sinus Conditions in CBCT images.

Dento maxillo facial radiology·2026
Same journal

Handheld dental X-ray devices: a scoping review of radiation safety and image quality.

Dento maxillo facial radiology·2026
See all related articles

Related Experiment Video

Updated: Feb 3, 2026

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle
08:07

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle

Published on: January 11, 2018

8.9K

Marker-based watershed transform method for fully automatic mandibular segmentation from CBCT images.

Yi Fan1,2, Richard Beare3,4, Harold Matthews2,5

  • 11 Department of Dentistry, The University of Melbourne , Melbourne, VIC , Australia.

Dento Maxillo Facial Radiology
|November 1, 2018
PubMed
Summary
This summary is machine-generated.

This study presents an automated method for segmenting the mandible from CBCT images using marker-based watershed transform. The technique achieves high accuracy, comparable to manual segmentation, for improved dental imaging analysis.

Keywords:
CBCTimage registrationimage segmentationmandiblemarker-based watershed transform

More Related Videos

Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities
07:13

Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities

Published on: October 27, 2023

1.7K
Less-Invasive Technique for Non-stabilized Mandibular Fracture in Mouse Models
04:13

Less-Invasive Technique for Non-stabilized Mandibular Fracture in Mouse Models

Published on: September 27, 2024

879

Related Experiment Videos

Last Updated: Feb 3, 2026

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle
08:07

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle

Published on: January 11, 2018

8.9K
Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities
07:13

Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities

Published on: October 27, 2023

1.7K
Less-Invasive Technique for Non-stabilized Mandibular Fracture in Mouse Models
04:13

Less-Invasive Technique for Non-stabilized Mandibular Fracture in Mouse Models

Published on: September 27, 2024

879

Area of Science:

  • Medical Imaging
  • Radiology
  • Computer-Aided Diagnosis

Background:

  • Cone-beam computed tomography (CBCT) is crucial for dental imaging.
  • Accurate mandible segmentation is essential for diagnosis and treatment planning.
  • Manual segmentation is time-consuming and prone to inter-observer variability.

Purpose of the Study:

  • To develop and validate a reliable, automated method for mandible segmentation from CBCT images.
  • To compare the accuracy of the automated method against established interactive segmentation techniques.

Main Methods:

  • Utilized a marker-based watershed transform algorithm on CBCT images.
  • Generated a height map from the CBCT intensity gradient to delineate boundaries.
  • Employed image registration for automatic marker placement (mandible and background).

Main Results:

  • Achieved a Dice similarity coefficient of 0.97 ± 0.01, indicating excellent overlap.
  • Demonstrated boundary deviations predominantly under 1 mm.
  • Identified minor segmentation errors in specific anatomical regions with minimal impact on overall morphology.

Conclusions:

  • The marker-based watershed transform offers a practical and accurate automated solution for mandible segmentation.
  • The method's accuracy is comparable to traditional interactive segmentation approaches.
  • This automated technique has the potential to streamline dental imaging workflows.