image #374067 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=4096) best rand index  (λ=8192) best BGM  (λ=65536) rand index=0.1445 / BGM 0.2558 rand index=0.1375 BGM=0.0201 Mumford & Shah (adaptive color space) visual inspection (λ=512) best rand index  (λ=2048) best BGM  (λ=8192) rand index=0.1089 / BGM 0.2046 rand index=0.0973 BGM=0.0299 Tensor properties and seeds used Graphs of similarity