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Sonar Image Segmentation via Entropy Method\n\nAuthor: Shuyue Jia and Ziyu Huo @ Human Sensor Laboratory, School of Automation Engineering, Northeast Electric Power University, Jilin, China.\n\nDate: June of 2018\n\n# 🎉 News\n[2020] ![](figures/news.gif) A [𝗣𝗮𝘁𝗲𝗻𝘁](https://patents.google.com/patent/CN112164079A/en) is published based on this project and repo codes. \n\n# Read the Original Shipwrecked Sonar Image\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/sonar_original.jpg)\n\n# Gray the Image\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Img_gray.jpg)\n\n# Denoise the Image: DCT (Discrete Cosine Transform) Denoise\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Img_Denoise.jpg)\n\n# Edge Detection (Roberts Operator)\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Img_Edge.jpg)\n\n# Removing Shadow Boundaries\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Removing_Shadow_Boundaries.jpg)\n\n# Image Localization (Threshold)\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Localization.jpg)\n\n# Remove Ship Boundaries\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Dilate_New_Img.jpg)\n\n# Image Dilate White Pixel (Morphology Dilation)\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Img_Dilate.jpg)\n\n# Merge Denoise \u0026 Dilation Images\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Expanded_Image.jpg)\n\n# 2-D Entropy Segamentation\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Img_Entropy.jpg)\n\n# Postprocessing\n\n![](https://github.com/SuperBruceJia/Sonar-Image-Segmentation-through-Entropy-Method/raw/master/Final_Image.jpg)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsuperbrucejia%2Fsonar-image-segmentation-through-entropy-method","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsuperbrucejia%2Fsonar-image-segmentation-through-entropy-method","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsuperbrucejia%2Fsonar-image-segmentation-through-entropy-method/lists"}