image #12003 original image ground truth-based border image Mumford & Shah (linear color space) visual inspection (λ=16384) best rand index  (λ=32768) best BGM  (λ=32768) rand index=0.2253 / BGM 0.4758 rand index=0.2179 BGM=0.3365 Mumford & Shah (adaptive color space) visual inspection (λ=512) best rand index  (λ=512) best BGM  (λ=1800) rand index=0.1103 / BGM 0.1068 rand index=0.1103 BGM=0.0431 Tensor properties and seeds used Graphs of similarity