image #196073 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=2048) best rand index  (λ=2048) best BGM  (λ=8192) rand index=0.0416 / BGM 0.0349 rand index=0.0416 BGM=0.0095 Mumford & Shah (adaptive color space) visual inspection (λ=170) best rand index  (λ=160) best BGM  (λ=256) rand index=0.0322 / BGM 0.0213 rand index=0.0295 BGM=0.0028 Tensor properties and seeds used Graphs of similarity