Moore Neighbor Tracing
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Please use this identifier to cite or link to this publication: http://hdl.handle.net/10380/3308
This document presents an implementation of Moore Neighbor Tracing - an algorithm to find an ordered outline of a blob or contour in an image.

An excellent tutorial on Moore Neighbor Tracing is provided here:
http://www.imageprocessingplace.com/downloads_V3/root_downloads/tutorials/contour_tracing_Abeer_George_Ghuneim/moore.html.


The code is available here:
https://github.com/daviddoria/MooreTracing

Reviews
minus Review of Moore Neighbour Tracing by Gordon Stevenson on 2011-09-20 12:30:45 for revision #1
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Summary:

The author implements the moore neighbour tracing algorithm in order to produce an ordered list of the outline of a 2D blob or a contour presented as an image.

Hypothesis:

The author's code has a number of examples, including a dummy square that is produced and then operated on by the algorithm to produce a working result. The author allows user files to be run on the algorithm also.


For the example that displays the ordered boundary element list as a color map from black through white using the 'hot' colourmap there is an assumption based on the datatype of itk::Image that is passed in that there will be up to 255 boundary elements, otherwise the colormap will be repeated.

Evidence:

Evidence is shown in the examples of the algorithm running correctly. From brief observation it seems to run fine.

Open Science:

The code is able to viewed, extended and the examples are also available.

Reproducibility:

Code ran successfully for me using CMake 2.8 and Visual Studio 2008.

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Categories: Edge Detection, Mathematical Morphology, Neighborhood filters
Keywords: Contour, Blob, Tracing
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