Author

Zhihui Xie

3 papers indexed here

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Preprint Aug 2026

Beyond Speech: Dual-Domain SSL Fusion for Unified All-Type Audio Deepfake Detection

Unified all-type audio deepfake detection aims to determine whether an input clip is real or fake when its audio type may be speech, environmental sound, singing voice, or music. Existing speech-centric or type-dependent solutions are insufficient for this setting because the test-time audio type is unknown, while the...

Cun-Hang Fan, Jun-Qin Cao, Tian Gao et al. · 1 citation

Aug 2026

Fft-guided multi-scale frequency enhancement for diffusion-based RAW-to-sRGB mapping

Experimental results on the MAI dataset demonstrate that DFEM-ISP attains a 0.79 dB PSNR enhancement, coupled with markedly improved high-frequency details and color consistency, thereby confirming the efficacy of FFT-driven frequency enhancement for RAW-to-sRGB reconstruction.

Zhi-Hui Xie, Yazhi Liu, Xiong Li et al. · Multimedia Systems · 0 citations

#artificial intelligence Preprint Sep 2026

Bait-and-Recover: Poisoning Internal Refusal Signals to Defend LLMs against White-Box Editing Jailbreaks

Bait-and-Recover is proposed, a weight-level defense that places a bait adapter where attackers read activations and a paired recovery adapter at the subsequent layer that decouples the observation path from the behavior path.

Tian Gao, Zhi-Hui Xie, Yu-Hao Wu et al. · 0 citations