image #46076 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=4096) best rand index  (λ=4096) best BGM  (λ=65536) rand index=0.1383 / BGM 0.4690 rand index=0.1383 BGM=0.1437 Mumford & Shah (adaptive color space) visual inspection (λ=280) best rand index  (λ=500) best BGM  (λ=4096) rand index=0.0588 / BGM 0.1518 rand index=0.0508 BGM=0.0281 Tensor properties and seeds used Graphs of similarity