Related Experiment Video
Updated: Jan 20, 2026
06:22
Optical Sectioning and Visualization of the Intervertebral Disc from Embryonic Development to Degeneration
Published on: July 8, 2021
2.6K
A new and effective method for human retina optic disc segmentation with fuzzy clustering method based on active
Ahmad S Abdullah1,2, Javad Rahebi3, Yasa Ekşioğlu Özok4
1Altinbas University, Istanbul, Turkey. Ahmed.alogaidi28@gmail.com.
Medical & Biological Engineering & Computing
|August 25, 2019
Summary
A novel fuzzy clustering and active contour model approach accurately detects and segments optic discs in retinal images. This method achieves high accuracy across multiple datasets, outperforming existing techniques for diagnosing eye conditions.
Area of Science:
- Ophthalmology
- Medical Imaging
- Computer Vision
Background:
- Accurate localization and segmentation of the optic disc are crucial for diagnosing various retinal diseases.
- Existing methods often struggle with variations in image quality and pathological features.
Purpose of the Study:
- To propose a novel, robust approach for optic disc localization and segmentation in human retinal images.
- To evaluate the performance of the proposed method on diverse retinal imaging databases containing abnormalities.
Main Methods:
- Utilizing an initial fuzzy clustering means algorithm to identify the optic disc boundary.
- Employing active contour model evolution guided by a fuzzy clustering algorithm for precise segmentation.
Main Results:
- Achieved 100% detection accuracy on DRIVE, DIARETDB1, and DRIONS-DB databases.
- Demonstrated high segmentation accuracy (97.01-99.46%) and overlap (78.35-84.56%) across four databases.
- Showcased superior performance compared to existing methods in literature.
Conclusions:
- The proposed fuzzy clustering and active contour model approach offers a highly accurate and robust solution for optic disc analysis.
- This method holds significant potential for improving the early detection and monitoring of retinal diseases.
Related Concept Videos
01:20Cluster Sampling Method
14.1K
Appropriate sampling methods ensure that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. All the members from these clusters are in the cluster sample. For example, if you randomly sample four departments from your...
To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. All the members from these clusters are in the cluster sample. For example, if you randomly sample four departments from your...
14.1K
01:18Effects of EDTA on End-Point Detection Methods
627
Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a...
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a...
627
01:29Topographic Surveying and Contours
860
Topographic surveying is critical for documenting the Earth's surface, focusing on capturing elevations, slopes, and natural and man-made features. It is essential in construction planning, water resource management, and land-use analysis. The primary outcome of such surveys is a topographic map, which uses contour lines to visually represent the shape and slope of the terrain, providing valuable insights into the landscape's characteristics.Contour lines are fundamental to understanding the...
860
01:15Methods of Documentation VI: Case Management Model
866
The case management model is a multidisciplinary approach that involves healthcare professionals from diverse disciplines, such as physicians, nurses, therapists, social workers, and pharmacists, working collaboratively to address the various needs of patients. Each healthcare professional brings unique expertise and perspectives, contributing to a more comprehensive understanding of the patient's condition and tailoring treatment plans accordingly.
For example, a patient with a chronic...
For example, a patient with a chronic...
866
02:24Properties of Enantiomers and Optical Activity
21.5K
It is essential to understand the difference between chiral and achiral interactions and the implications thereof in optical activity and their applications. Just as our feet, which are chiral, interact uniquely with chiral objects, such as a pair of shoes, but identically with achiral socks, enantiomers of a molecule exhibit different properties only when they interact with other chiral media. An example of a significant implication from this facet is the phenomenon known as optical activity,...
21.5K
01:29Methods of Sterilization I: Physical Methods
23.4K
As used in a healthcare facility, sterilization destroys all microorganisms through physical or chemical methods. The physical method includes steam, dry heat, boiling water, and radiation.
Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
23.4K