Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...

Imaging Biological Samples with Optical Microscopy

Imaging Biological Samples with Optical Microscopy

Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...

You might also read

Related Articles

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

Sort by

Same author

Learning by doing: an observational study of the learning curve for ultrasonic fundus-first dissection in elective cholecystectomy.

Surgical endoscopy·2022

Same author

Therapeutic effects of puerarin on polycystic ovary syndrome: A randomized trial in Chinese women.

Medicine·2021

Same author

<i>WDR45</i> Mutation Impairs the Autophagic Degradation of Transferrin Receptor and Promotes Ferroptosis.

Frontiers in molecular biosciences·2021

Same author

Development of Chinese mental health first aid guidelines for problem drinking: a Delphi expert consensus study.

BMC psychiatry·2021

Same author

Agricultural chemicals and sustainable development: the agricultural environment Kuznets curve based on spatial panel model.

Environmental science and pollution research international·2021

Same author

pH-sensitive thiamethoxam nanoparticles based on bimodal mesoporous silica for improving insecticidal efficiency.

Royal Society open science·2021

Search research articles

Related Experiment Video

Updated: Jun 22, 2026

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

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

Published on: February 23, 2017

A new image calibration system in digital colposcopy.

Wenjing Li, Marcelo Soto-Thompson, Ulf Gustafsson

|June 18, 2009

Summary

This study introduces a novel image calibration technique for colposcopy, addressing color and illumination variations. The method enhances diagnostic accuracy for computer-aided diagnosis systems by standardizing colposcopic images.

Area of Science:

Gynecologic Oncology
Medical Imaging
Digital Pathology

Background:

Colposcopy is crucial for detecting cervical cancer and precancerous lesions.
Acetowhitening effect evaluation relies on color and density, but is challenged by image variations.
Variations in lighting and equipment hinder accurate diagnosis and computer-aided diagnosis (CAD) system development.

Purpose of the Study:

To present a novel image calibration technique for colposcopic images.
To standardize color appearance and normalize illumination in digital colposcopy.
To improve the performance of feature extraction algorithms for CAD systems.

Main Methods:

A specialized calibration unit is used for daily calibration data acquisition.
An automated, fast, accurate, and reliable calibration routine is employed.

More Related Videos

Platform for Quantitative Detection of Endometrial Immune Cells Based on Immunohistochemistry and Digital Image Analysis

Platform for Quantitative Detection of Endometrial Immune Cells Based on Immunohistochemistry and Digital Image Analysis

Published on: October 13, 2023

Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition

Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition

Published on: August 18, 2022

Related Experiment Videos

Last Updated: Jun 22, 2026

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

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

Published on: February 23, 2017

Platform for Quantitative Detection of Endometrial Immune Cells Based on Immunohistochemistry and Digital Image Analysis

Platform for Quantitative Detection of Endometrial Immune Cells Based on Immunohistochemistry and Digital Image Analysis

Published on: October 13, 2023

Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition

Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition

Published on: August 18, 2022

Illumination correction and color calibration algorithms are applied to exam data.

Main Results:

The proposed technique effectively calibrates colposcopic images.
Standardized images improve consistency for diagnostic assessments.
Demonstrated application in clinical studies validates the technique's utility.

Conclusions:

The novel calibration technique addresses critical challenges in digital colposcopy.
Standardized colposcopic images are essential for reliable diagnosis and CAD development.
This method offers a reliable solution for improving colposcopy image quality and consistency.