image #225017 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=8192) best rand index  (λ=16384) best BGM  (λ=65536) rand index=0.1653 / BGM 0.3819 rand index=0.1413 BGM=0.0267 Mumford & Shah (adaptive color space) visual inspection (λ=256) best rand index  (λ=256) best BGM  (λ=256) rand index=0.0760 / BGM 0.0410 rand index=0.0760 BGM=0.0410 Tensor properties and seeds used Graphs of similarity