The shape-analysis tag has no wiki summary.
2
votes
1answer
54 views
Classifying 2D shapes by the smoothness of their boundaries
I'm doing image analysis, and I want to classify smooth objects (has smooth boundaries) from non-smooth objects (has zigzag-like boundaries). Which feature should be fed into ML framework? What are ...
6
votes
2answers
571 views
How to fit an ellipse to 2D data
I'd like to find the "best" fit of an ellipse to contiguous, possibly concave shapes such as:
What have I tried?
I thought that one could assign the direction of the major and minor axes $\vec a, ...
4
votes
1answer
262 views
Topological skeleton matching techniques
What are the most common and best topological skeleton matching techniques?
Suppose I have skeletonized object and corresponding 2D model of this object. What are the next steps to match pattern? ...
2
votes
1answer
83 views
Tools for 3D shape analysis
I have a 3D shape in a 3D binary image. Therefore, I have a list of all of the x,y,z points. If I am to analyze this shape for various identification, such as "sphericity", volume, surface area, etc., ...