image #253036 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=4096) best rand index  (λ=32768) best BGM  (λ=32768) rand index=0.3704 / BGM 0.5219 rand index=0.0738 BGM=0.0056 Mumford & Shah (adaptive color space) visual inspection (λ=420) best rand index  (λ=420) best BGM  (λ=16384) rand index=0.0516 / BGM 0.0129 rand index=0.0516 BGM=0.0055 Tensor properties and seeds used Graphs of similarity