Yuanshu Zhao

Semantic Steering for Controllable Generation: Tuning-Free Concept Erasure in Multimodal Diffusion Transformers

Qiao Li, Xiaoqin Fu, Yuanshu Zhao, Qipeng Wang et autres

Multimodal Diffusion Transformers (MM-DiTs) have demonstrated remarkable text-to-image generation performance, surpassing traditional U-Net-based diffusion models. Nevertheless, their powerful generative capabilities also raise significant safety concerns, as they may generate sensitive or inappropriate content. While existing concept erasure methods aim to mitigate such …

EthGAN: Improving Ethereum Account Classification Accuracy via Data Augmentation

Xuehai Tang, Zhongjiang Yao, Huazhen Zhong, Guan Wang et autres

Recently, with the prevalent adoption of blockchain in the financial system, there has been an increasing of anomaly activities such as ponzi schemes, gambling and phishing fraud on Ethereum platforms, and an effective account classification method is urgently required. The existing account …

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