image #143090 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=2048) best rand index  (λ=32768) best BGM  (λ=65536) rand index=0.2462 / BGM 0.7478 rand index=0.2087 BGM=0.1923 Mumford & Shah (adaptive color space) visual inspection (λ=256) best rand index  (λ=512) best BGM  (λ=2048) rand index=0.1479 / BGM 0.2793 rand index=0.1049 BGM=0.0342 Tensor properties and seeds used Graphs of similarity