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

Read the Original Shipwrecked Sonar Image

Gray the Image

Denoise the Image: DCT (Discrete Cosine Transform) Denoise

Edge Detection (Roberts Operator)

Removing Shadow Boundaries

Image Localization (Threshold)

Remove Ship Boundaries

Image Dilate White Pixel (Morphology Dilation)

Merge Denoise & Dilation Images

2-D Entropy Segamentation

Postprocessing