image #310007 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=8192) best rand index  (λ=32768) best BGM  (λ=65536) rand index=0.1309 / BGM 0.2813 rand index=0.1092 BGM=0.0562 Mumford & Shah (adaptive color space) visual inspection (λ=4096) best rand index  (λ=9000) best BGM  (λ=32768) rand index=0.1126 / BGM 0.2352 rand index=0.0209 BGM=0.0158 Tensor properties and seeds used Graphs of similarity