image #368078 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=8192) best rand index  (λ=8192) best BGM  (λ=65536) rand index=0.1321 / BGM 0.5158 rand index=0.1321 BGM=0.1368 Mumford & Shah (adaptive color space) visual inspection (λ=64) best rand index  (λ=64) best BGM  (λ=1024) rand index=0.0813 / BGM 0.2720 rand index=0.1638 BGM=0.0550 Tensor properties and seeds used Graphs of similarity