image #219090 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=4096) best rand index  (λ=2048) best BGM  (λ=65536) rand index=0.1699 / BGM 0.4936 rand index=0.1680 BGM=0.0592 Mumford & Shah (adaptive color space) visual inspection (λ=512) best rand index  (λ=512) best BGM  (λ=4096) rand index=0.0458 / BGM 0.1574 rand index=0.0458 BGM=0.0063 Tensor properties and seeds used Graphs of similarity