Signal segmentation - Example 1
See this page for an introductory overview of variational segmentation and for the definition of the terminology used hereafter.
Mumford-Shah segmentation
orph_g
red - data, g
green - segmentation, u
blue - discontinuity function, σ
Note
The Mumford-Shah model detects jumps and it does not handle ramps correctly, artificial jumps appear in the segmentation.



Mumford-Shah segmentation
orph_u
red - data, g
green - segmentation, u
blue - discontinuity function, σ
Note
Artificial jumps can appear in the segmentation when forcing the solution to be very smooth.



Blake-Zisserman segmentation
orph_z
red - data, g
green - segmentation, u
blue - discontinuity function, σ
pink - discontinuity function, s
Note
The Blake-Zisserman model detects jumps in the input dataset and in its first derivative, and it handles ramps correctly.

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