It interprets and digitises the areas and boundaries seen in imagery (such as sidescan sonar and multi-beam backscatter) and creates a polygonised map of the results (e.g. areas of similar seafloor type). It supports Segmentation and Classification which are key techniques for image analysis, and gives quick, easy, repeatable results.
Without the tool, digitising images can be slow, subjective – dependent on the interpreter – and is non-repeatable. Using RSOBIA, segmentation of the results will provide straight-forward and objective polygons which are statistically calculated. Imagery derivative processing techniques are provided for ease of use but also include texture analysis techniques such as homogeneity, dissimilarity, contrast and others (Grey Level Co-occurrence Matrices – GLCMs). Speed of results will depend on the size of the image and speed of the computer being used.
Delivered as a part of Maritime Toolbar, RSOBIA is compatible with ESRI ArcMap 10.0 to 10.7 making it integral to your workflow. ArcGIS advanced level licence is required.
This extension has been created by OceanWise’ Licensed Partner Tim Le Bas and is maintained and supported by OceanWise as a collaborative project.
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