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Qizhi Zhang

3 accepted papers

2025

FusionClassNet: A Multi-Scale Feature Fusion Network with Contrastive Loss-Driven Classification for Enhanced Lung Tumor Image Representations

ICASSP 2025accepted

Lung cancer remains a leading cause of mortality, making accurate subtype identification crucial for effective lung cancer diagnosis and treatment. Recent advancements in medical image classification, particularly through Convolutional Neural Networks (CNNs) and Transformers, have significantly impr…

Cited by 0SourceScholar
2025

ObfusLM: Privacy-preserving Language Model Service against Embedding Inversion Attacks

ACL 2025long

As the rapid expansion of Machine Learning as a Service (MLaaS) for language models, concerns over the privacy of client inputs during inference or fine-tuning have correspondingly escalated. Recently, solutions have been proposed to safeguard client privacy by obfuscation techniques. However, the s…

2024

An Inversion Attack Against Obfuscated Embedding Matrix in Language Model Inference

EMNLP 2024main

With the rapidly-growing deployment of large language model (LLM) inference services, privacy concerns have arisen regarding to the user input data. Recent studies are exploring transforming user inputs to obfuscated embedded vectors, so that the data will not be eavesdropped by service provides. Ho…