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Related Experiment Video

Updated: Jun 7, 2026

Isolation of Small Preantral Follicles from the Bovine Ovary Using a Combination of Fragmentation, Homogenization, and Serial Filtration

Isolation of Small Preantral Follicles from the Bovine Ovary Using a Combination of Fragmentation, Homogenization, and Serial Filtration

Published on: September 27, 2022

Speckle reducing bilateral filter for cattle follicle segmentation.

Jinshan Tang¹, Shengwen Guo, Qingling Sun

¹Image Processing and Bioimaging Research Laboratory, System Research Institute & Department of Advanced Technologies, Alcorn State University, Alcorn State, MS, USA. jtang@alcorn.edu

|November 5, 2010

Summary

A new bilateral filter effectively reduces speckle in cattle ultrasound images, improving follicle segmentation and measurement accuracy. This method enhances diagnostic capabilities in veterinary reproductive imaging.

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Area of Science:

Veterinary Medicine
Biomedical Imaging
Image Processing

Background:

Ultrasound imaging is crucial for cattle reproduction, monitoring follicular development.
Image speckles hinder accurate follicle segmentation and measurement.
Speckle reduction is essential for reliable ultrasound-based reproductive assessments.

Purpose of the Study:

To develop and evaluate a novel bilateral filter for speckle reduction in cattle ultrasound images.
To improve follicle segmentation and measurement accuracy by mitigating image speckles.

Main Methods:

A new bilateral filter was developed, incorporating normalized difference in Gaussian intensity difference calculation.
The filter was applied to synthetic and real cattle ultrasound images.
Follicle segmentation performance was assessed on original, Gaussian-filtered, and conventionally filtered images.

Main Results:

The proposed bilateral filter effectively reduced speckles in both high and low-intensity regions.
Speckle reduction significantly improved follicle segmentation accuracy.
The new filter outperformed Gaussian and conventional bilateral filters in speckle reduction and segmentation.

Conclusions:

The novel bilateral filter offers superior speckle reduction in cattle ultrasound images.
Improved image quality leads to enhanced follicle segmentation and measurement accuracy.
This method has significant potential for improving reproductive diagnostics in cattle.