image #295087 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=4096) best rand index  (λ=8195) best BGM  (λ=65536) rand index=0.2164 / BGM 0.6490 rand index=0.1942 BGM=0.2156 Mumford & Shah (adaptive color space) visual inspection (λ=950) best rand index  (λ=950) best BGM  (λ=4096) rand index=0.1194 / BGM 0.1466 rand index=0.1194 BGM=0.0968 Tensor properties and seeds used Graphs of similarity