Search Results for author: Wenchao Wang

Found 11 papers, 0 papers with code

Synthetic Speech Detection Based on Temporal Consistency and Distribution of Speaker Features

no code implementations29 Sep 2023 Yuxiang Zhang, Zhuo Li, Jingze Lu, Wenchao Wang, Pengyuan Zhang

Based on these analyzes, an SSD method based on temporal consistency and distribution of speaker features is proposed.

Synthetic Speech Detection

The Impact of Silence on Speech Anti-Spoofing

no code implementations21 Sep 2023 Yuxiang Zhang, Zhuo Li, Jingze Lu, Hua Hua, Wenchao Wang, Pengyuan Zhang

First, the reasons for the impact are explored, including the proportion of silence duration and the content of silence.

Action Detection Activity Detection +1

Improving Short Utterance Anti-Spoofing with AASIST2

no code implementations15 Sep 2023 Yuxiang Zhang, Jingze Lu, Zengqiang Shang, Wenchao Wang, Pengyuan Zhang

The modified Res2Net blocks can extract multi-scale features and improve the detection performance for speech of different durations, thus improving the short utterance evaluation performance.

Graph Attention Speaker Verification

Underwater Acoustic Target Recognition based on Smoothness-inducing Regularization and Spectrogram-based Data Augmentation

no code implementations12 Jun 2023 Ji Xu, Yuan Xie, Wenchao Wang

Underwater acoustic target recognition is a challenging task owing to the intricate underwater environments and limited data availability.

Data Augmentation

Progressive Sub-Graph Clustering Algorithm for Semi-Supervised Domain Adaptation Speaker Verification

no code implementations22 May 2023 Zhuo Li, Jingze Lu, Zhenduo Zhao, Wenchao Wang, Pengyuan Zhang

Utilizing the large-scale unlabeled data from the target domain via pseudo-label clustering algorithms is an important approach for addressing domain adaptation problems in speaker verification tasks.

Clustering Domain Adaptation +4

Deepfake Detection System for the ADD Challenge Track 3.2 Based on Score Fusion

no code implementations13 Oct 2022 Yuxiang Zhang, Jingze Lu, Xingming Wang, Zhuo Li, Runqiu Xiao, Wenchao Wang, Ming Li, Pengyuan Zhang

The overfitting of the model to the training set leads to extreme values of the scores and low correlation of the score distributions, which makes score fusion difficult.

Data Augmentation DeepFake Detection +1

SASV Based on Pre-trained ASV System and Integrated Scoring Module

no code implementations1 Jul 2022 Yuxiang Zhang, Zhuo Li, Wenchao Wang, Pengyuan Zhang

Based on the assumption that there is a correlation between anti-spoofing and speaker verification, a Total-Divide-Total integrated Spoofing-Aware Speaker Verification (SASV) system based on pre-trained automatic speaker verification (ASV) system and integrated scoring module is proposed and submitted to the SASV 2022 Challenge.

Speaker Verification

Parsimonious HMMs for Offline Handwritten Chinese Text Recognition

no code implementations13 Aug 2018 Wenchao Wang, Jun Du, Zi-Rui Wang

Recently, hidden Markov models (HMMs) have achieved promising results for offline handwritten Chinese text recognition.

Handwritten Chinese Text Recognition

DenseRAN for Offline Handwritten Chinese Character Recognition

no code implementations13 Aug 2018 Wenchao Wang, Jianshu Zhang, Jun Du, Zi-Rui Wang, Yixing Zhu

Recently, great success has been achieved in offline handwritten Chinese character recognition by using deep learning methods.

Offline Handwritten Chinese Character Recognition

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