Search Results for author: Fu Song

Found 22 papers, 12 papers with code

A Proactive and Dual Prevention Mechanism against Illegal Song Covers empowered by Singing Voice Conversion

no code implementations30 Jan 2024 Guangke Chen, Yedi Zhang, Fu Song, Ting Wang, Xiaoning Du, Yang Liu

To improve the imperceptibility of perturbations, we refine a psychoacoustic model-based loss with the backing track as an additional masker, a unique accompanying element for singing voices compared to ordinary speech voices.

Voice Conversion

When Neural Code Completion Models Size up the Situation: Attaining Cheaper and Faster Completion through Dynamic Model Inference

1 code implementation18 Jan 2024 Zhensu Sun, Xiaoning Du, Fu Song, Shangwen Wang, Li Li

These findings motivate our exploration of dynamic inference in code completion and inspire us to enhance it with a decision-making mechanism that stops the generation of incorrect code.

Code Completion Decision Making

CodeMark: Imperceptible Watermarking for Code Datasets against Neural Code Completion Models

1 code implementation28 Aug 2023 Zhensu Sun, Xiaoning Du, Fu Song, Li Li

Even worse, the ``black-box'' nature of neural models sets a high barrier for externals to audit their training datasets, which further connives these unauthorized usages.

Code Completion Specificity

A Comprehensive Empirical Study of Bugs in Open-Source Federated Learning Frameworks

no code implementations9 Aug 2023 Weijie Shao, Yuyang Gao, Fu Song, Sen Chen, Lingling Fan, JingZhu He

Federated learning (FL) is a distributed machine learning (ML) paradigm, allowing multiple clients to collaboratively train shared machine learning (ML) models without exposing clients' data privacy.

Federated Learning

An Automata-Theoretic Approach to Synthesizing Binarized Neural Networks

no code implementations29 Jul 2023 Ye Tao, Wanwei Liu, Fu Song, Zhen Liang, Ji Wang, Hongxu Zhu

Quantized neural networks (QNNs) have been developed, with binarized neural networks (BNNs) restricted to binary values as a special case.

Fairness Quantization

QFA2SR: Query-Free Adversarial Transfer Attacks to Speaker Recognition Systems

no code implementations23 May 2023 Guangke Chen, Yedi Zhang, Zhe Zhao, Fu Song

Current adversarial attacks against speaker recognition systems (SRSs) require either white-box access or heavy black-box queries to the target SRS, thus still falling behind practical attacks against proprietary commercial APIs and voice-controlled devices.

Speaker Recognition

QVIP: An ILP-based Formal Verification Approach for Quantized Neural Networks

1 code implementation10 Dec 2022 Yedi Zhang, Zhe Zhao, Fu Song, Min Zhang, Taolue Chen, Jun Sun

Experimental results on QNNs with different quantization bits confirm the effectiveness and efficiency of our approach, e. g., two orders of magnitude faster and able to solve more verification tasks in the same time limit than the state-of-the-art methods.

Quantization

QEBVerif: Quantization Error Bound Verification of Neural Networks

1 code implementation6 Dec 2022 Yedi Zhang, Fu Song, Jun Sun

In this work, we propose a quantization error bound verification method, named QEBVerif, where both weights and activation tensors are quantized.

Quantization

Don't Complete It! Preventing Unhelpful Code Completion for Productive and Sustainable Neural Code Completion Systems

no code implementations13 Sep 2022 Zhensu Sun, Xiaoning Du, Fu Song, Shangwen Wang, Mingze Ni, Li Li

The experimental results show that the proposed estimator helps save 23. 3% of computational cost measured in floating-point operations for the code completion systems, and 80. 2% of rejected prompts lead to unhelpful completion

Code Completion

Abstraction and Refinement: Towards Scalable and Exact Verification of Neural Networks

1 code implementation2 Jul 2022 Jiaxiang Liu, Yunhan Xing, Xiaomu Shi, Fu Song, Zhiwu Xu, Zhong Ming

Our approach is orthogonal to and can be integrated with many existing verification techniques.

AS2T: Arbitrary Source-To-Target Adversarial Attack on Speaker Recognition Systems

no code implementations7 Jun 2022 Guangke Chen, Zhe Zhao, Fu Song, Sen Chen, Lingling Fan, Yang Liu

Recent work has illuminated the vulnerability of speaker recognition systems (SRSs) against adversarial attacks, raising significant security concerns in deploying SRSs.

Adversarial Attack Speaker Recognition

Towards Understanding and Mitigating Audio Adversarial Examples for Speaker Recognition

1 code implementation7 Jun 2022 Guangke Chen, Zhe Zhao, Fu Song, Sen Chen, Lingling Fan, Feng Wang, Jiashui Wang

According to the characteristic of SRSs, we present 22 diverse transformations and thoroughly evaluate them using 7 recent promising adversarial attacks (4 white-box and 3 black-box) on speaker recognition.

Speaker Recognition speech-recognition +1

CoProtector: Protect Open-Source Code against Unauthorized Training Usage with Data Poisoning

1 code implementation25 Oct 2021 Zhensu Sun, Xiaoning Du, Fu Song, Mingze Ni, Li Li

Github Copilot, trained on billions of lines of public code, has recently become the buzzword in the computer science research and practice community.

Data Poisoning

SEC4SR: A Security Analysis Platform for Speaker Recognition

1 code implementation4 Sep 2021 Guangke Chen, Zhe Zhao, Fu Song, Sen Chen, Lingling Fan, Yang Liu

To bridge this gap, we present SEC4SR, the first platform enabling researchers to systematically and comprehensively evaluate adversarial attacks and defenses in SR. SEC4SR incorporates 4 white-box and 2 black-box attacks, 24 defenses including our novel feature-level transformations.

Speaker Recognition

Attack as Defense: Characterizing Adversarial Examples using Robustness

1 code implementation13 Mar 2021 Zhe Zhao, Guangke Chen, Jingyi Wang, Yiwei Yang, Fu Song, Jun Sun

Though various defense mechanisms have been proposed to improve robustness of deep learning software, many of them are ineffective against adaptive attacks.

BDD4BNN: A BDD-based Quantitative Analysis Framework for Binarized Neural Networks

no code implementations12 Mar 2021 Yedi Zhang, Zhe Zhao, Guangke Chen, Fu Song, Taolue Chen

Verifying and explaining the behavior of neural networks is becoming increasingly important, especially when they are deployed in safety-critical applications.

Quantization

Accelerating Robustness Verification of Deep Neural Networks Guided by Target Labels

no code implementations16 Jul 2020 Wenjie Wan, Zhaodi Zhang, Yiwei Zhu, Min Zhang, Fu Song

The key insight of our approach is that the robustness verification problem of DNNs can be solved by verifying sub-problems of DNNs, one per target label.

Autonomous Driving Medical Diagnosis

Advanced Evasion Attacks and Mitigations on Practical ML-Based Phishing Website Classifiers

no code implementations15 Apr 2020 Yusi Lei, Sen Chen, Lingling Fan, Fu Song, Yang Liu

To launch attacks in the white- and grey-box scenarios, we also propose a sample-based collision attack to gain the knowledge of the target classifier.

Who is Real Bob? Adversarial Attacks on Speaker Recognition Systems

1 code implementation3 Nov 2019 Guangke Chen, Sen Chen, Lingling Fan, Xiaoning Du, Zhe Zhao, Fu Song, Yang Liu

In this paper, we conduct the first comprehensive and systematic study of the adversarial attacks on SR systems (SRSs) to understand their security weakness in the practical blackbox setting.

Adversarial Attack Speaker Recognition +2

Making Agents' Abilities Explicit

no code implementations27 Nov 2018 Yedi Zhang, Fu Song, Taolue Chen

Alternating-time temporal logics (ATL/ATL*) represent a family of modal logics for reasoning about agents' strategic abilities in multiagent systems (MAS).

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