{"id":1159575,"date":"2025-12-30T14:51:02","date_gmt":"2025-12-30T22:51:02","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/?post_type=msr-research-item&#038;p=1159575"},"modified":"2025-12-30T14:51:33","modified_gmt":"2025-12-30T22:51:33","slug":"kerjepa-kernel-discrepancies-for-euclidean-self-supervised-learning","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/kerjepa-kernel-discrepancies-for-euclidean-self-supervised-learning\/","title":{"rendered":"KerJEPA: Kernel Discrepancies for Euclidean Self-Supervised Learning"},"content":{"rendered":"<p>Recent breakthroughs in self-supervised Joint-Embedding Predictive Architectures (JEPAs) have established that regularizing Euclidean representations toward isotropic Gaussian priors yields provable gains in training stability and downstream generalization. We introduce a new, flexible family of KerJEPAs, self-supervised learning algorithms with kernel-based regularizers. One instance of this family corresponds to the recently-introduced LeJEPA Epps-Pulley regularizer which approximates a sliced maximum mean discrepancy (MMD) with a Gaussian prior and Gaussian kernel. By expanding the class of viable kernels and priors and computing the closed-form high-dimensional limit of sliced MMDs, we develop alternative KerJEPAs with a number of favorable properties including improved training stability and design flexibility.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recent breakthroughs in self-supervised Joint-Embedding Predictive Architectures (JEPAs) have established that regularizing Euclidean representations toward isotropic Gaussian priors yields provable gains in training stability and downstream generalization. We introduce a new, flexible family of KerJEPAs, self-supervised learning algorithms with kernel-based regularizers. One instance of this family corresponds to the recently-introduced LeJEPA Epps-Pulley regularizer which approximates 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