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Rethinking Self-training for Semi-supervised Landmark Detection: A Selection-free Approach
April 9, 2024, 4:46 a.m. | Haibo Jin, Haoxuan Che, Hao Chen
cs.CV updates on arXiv.org arxiv.org
Abstract: Self-training is a simple yet effective method for semi-supervised learning, during which pseudo-label selection plays an important role for handling confirmation bias. Despite its popularity, applying self-training to landmark detection faces three problems: 1) The selected confident pseudo-labels often contain data bias, which may hurt model performance; 2) It is not easy to decide a proper threshold for sample selection as the localization task can be sensitive to noisy pseudo-labels; 3) coordinate regression does not …
abstract arxiv bias confirmation bias cs.cv data data bias detection free labels landmark role self-training semi-supervised semi-supervised learning simple supervised learning training type
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