https://github.com/superbrucejia/sonar-image-segmentation-through-entropy-method

This is a MATLAB implementation of Sonar Image Segmentation via Entropy Method
https://github.com/superbrucejia/sonar-image-segmentation-through-entropy-method

image image-processing image-segmentation matlab sonar sonar-image-segmentation

Last synced: 8 months ago
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This is a MATLAB implementation of Sonar Image Segmentation via Entropy Method

• Host: GitHub
• URL: https://github.com/superbrucejia/sonar-image-segmentation-through-entropy-method
• Owner: SuperBruceJia
• Created: 2019-06-04T13:26:23.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2024-10-10T23:01:36.000Z (over 1 year ago)
• Last Synced: 2025-04-21T12:44:10.429Z (about 1 year ago)
• Topics: image, image-processing, image-segmentation, matlab, sonar, sonar-image-segmentation
• Language: MATLAB
• Homepage: https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method
• Size: 285 KB
• Stars: 22
• Watchers: 2
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Sonar Image Segmentation via Entropy Method

Author: Shuyue Jia and Ziyu Huo @ Human Sensor Laboratory, School of Automation Engineering, Northeast Electric Power University, Jilin, China.

Date: June of 2018

# 🎉 News

[2020] ![](figures/news.gif) A [𝗣𝗮𝘁𝗲𝗻𝘁](https://patents.google.com/patent/CN112164079A/en) is published based on this project and repo codes. 

# Read the Original Shipwrecked Sonar Image

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/sonar_original.jpg)

# Gray the Image

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Img_gray.jpg)

# Denoise the Image: DCT (Discrete Cosine Transform) Denoise

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Img_Denoise.jpg)

# Edge Detection (Roberts Operator)

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Img_Edge.jpg)

# Removing Shadow Boundaries

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Removing_Shadow_Boundaries.jpg)

# Image Localization (Threshold)

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Localization.jpg)

# Remove Ship Boundaries

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Dilate_New_Img.jpg)

# Image Dilate White Pixel (Morphology Dilation)

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Img_Dilate.jpg)

# Merge Denoise & Dilation Images

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Expanded_Image.jpg)

# 2-D Entropy Segamentation

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Img_Entropy.jpg)

# Postprocessing

![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Final_Image.jpg)