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Selective Segmentation B -- Segment a given 2D image (CV2 with prior knowledge: fast banding / MGM re-init) --- (2014)

Software for Selecting an Object in a large image using a band based variational model
Jianping Zhang, Ke Chen, Bo Yu and Derek Gould (2014)
``A Local Information Based Variational Model for Selective Image Segmentation",
J. Inverse Problems and Imaging, Volume 8(1), pp. 293-320, 2014. See PDF file.

run_me.m (Matlab driver file)
Seg_Selective_2D.zip (Matlab files v1 2014)
Seg_Selective_2D_v2.zip (Version 2 2016)

See the left image for an example of selection by 4 vertices and the segmented result below.
(Note: as with CV2, this model is not convex so the result might be sensitive to initial contours and also the input parameter α. We shall release our convex model / code shortly)