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arXiv

Parameter-free simplified slot attention matches slot attention on Pascal VOC segmentation, indicating competitive assignment dynamics alone explain most clustering

The work formulates slot attention as an interacting particle system and derives simplified slot attention (SSA), a parameter-free variant connected to soft K-means, soft spherical K-means, and a derived unnormalised surrogate USSA; on Pascal VOC 2012 with frozen DINO features, SSA achieves segmentation and reconstruction performance close to full slot attention, suggesting its competitive assignment dynamics already account for much of the object-centric clustering while learned components mainly refine representations.