A Method Development of Correctly Sonar Image Distortion for Diagnosis in Underwater Structure
Using a sonar system for diagnosis of an underwater structure may lead to image distortion because of shaking
due to the environmental limitations of acquiring data from a boat. The quality degradation by shaking increases as the
resolution, i.e. frequency, increases. We developed the distortion correction algorithm using a gyro sensor to solve the
problem. The developed distortion correction algorithm can be part of the post-processing program to correct the data
distorted by shaking of 3°/sec or higher.
Index Terms- Underwater Structure, Sonar Image, Distortion correction, Safety diagnosis, Gyro sensor.