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New OSDTW framework improves long-tailed recognition accuracy

Researchers have introduced OSDTW, a novel framework designed to tackle the long-tailed recognition problem in machine learning. This approach decomposes the recognition task into distinct head and tail components, utilizing a shared encoder with task-specific decoders. OSDTW provides a principled method for optimizing representation sharing and supervision weighting, offering a computable proxy for hyper-parameter selection based on a bias-variance decomposition of generalization error. Experiments on standard benchmarks show OSDTW outperforming existing methods. AI

影响 Introduces a principled framework for improving long-tailed recognition, potentially enhancing model performance in real-world scenarios with imbalanced datasets.

排序理由 The cluster contains an academic paper detailing a new methodology for a machine learning problem. [lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.AI 阅读 →

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  1. arXiv cs.AI TIER_1 English(EN) · Chang Chu, Qingyue Zhang, Shao-Lun Huang, Junxiong Zheng ·

    OSDTW: Optimal Shared Depth and Task Weighting for Long-Tailed Recognition

    arXiv:2605.24969v1 Announce Type: cross Abstract: Long-tailed recognition suffers from a persistent head--tail trade-off: improving tail performance often degrades head accuracy and can increase training instability. Despite strong empirical results from re-weighting, decoupled t…