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Prompt-Driven Feature Diffusion for Open-World Semi-Supervised Learning
April 19, 2024, 4:41 a.m. | Marzi Heidari, Hanping Zhang, Yuhong Guo
cs.LG updates on arXiv.org arxiv.org
Abstract: In this paper, we present a novel approach termed Prompt-Driven Feature Diffusion (PDFD) within a semi-supervised learning framework for Open World Semi-Supervised Learning (OW-SSL). At its core, PDFD deploys an efficient feature-level diffusion model with the guidance of class-specific prompts to support discriminative feature representation learning and feature generation, tackling the challenge of the non-availability of labeled data for unseen classes in OW-SSL. In particular, PDFD utilizes class prototypes as prompts in the diffusion model, …
abstract arxiv class core cs.ai cs.cv cs.lg diffusion diffusion model feature framework guidance novel open-world paper prompt prompts representation representation learning semi-supervised semi-supervised learning ssl supervised learning support type world
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