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Hua-Feng Chen

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Conference Open access Sep 2026

From Language to Segmentation: Collaborative Category-Guided Unsupervised Camouflaged Object Detection with SAM3

Camouflaged Object Detection (COD) aims to segment objects that are hidden within complex backgrounds. Due to the low visual contrast of camouflaged objects, annotations are costly, motivating unsupervised COD (UCOD) to eliminate labeling expenses. Most UCOD methods follow the “MLLMs + other foundation models + SAM” pa...

Hua-Feng Chen, Yueming Lyu, Caifeng Shan · 0 citations
Preprint Aug 2026

PRMU: A Corpus-Free Benchmark for Person-Centric Knowledge Unlearning in Multimodal Large Language Models

This work introduces PRMU, a benchmark for evaluating corpus-free multimodal unlearning under realistic person-centric deletion requests, and introduces Similarity-Gated Projection Editing (SGPE), a lightweight corpus-free unlearning baseline with knowledge displacement, protected parameter-space editing, and locality-...

Hua-Feng Chen, Yueming Lyu, Ziyuan Chen et al. · 0 citations

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