Search Results for author: Zhiyong Zhang

Found 8 papers, 0 papers with code

FakeTransformer: Exposing Face Forgery From Spatial-Temporal Representation Modeled By Facial Pixel Variations

no code implementations15 Nov 2021 Yuyang Sun, Zhiyong Zhang, Changzhen Qiu, Liang Wang, Zekai Wang

With the rapid development of generation model, AI-based face manipulation technology, which called DeepFakes, has become more and more realistic.

DeepFake Detection Face Swapping

Large-scale Transfer Learning for Low-resource Spoken Language Understanding

no code implementations13 Aug 2020 Xueli Jia, Jianzong Wang, Zhiyong Zhang, Ning Cheng, Jing Xiao

However, the increased complexity of a model can also introduce high risk of over-fitting, which is a major challenge in SLU tasks due to the limitation of available data.

automatic-speech-recognition Fine-tuning +4

Machine learning driven synthesis of few-layered WTe2

no code implementations10 Oct 2019 Manzhang Xu, Bijun Tang, Yuhao Lu, Chao Zhu, Lu Zheng, Jingyu Zhang, Nannan Han, Yuxi Guo, Jun Di, Pin Song, Yongmin He, Lixing Kang, Zhiyong Zhang, Wu Zhao, Cuntai Guan, Xuewen Wang, Zheng Liu

Reducing the lateral scale of two-dimensional (2D) materials to one-dimensional (1D) has attracted substantial research interest not only to achieve competitive electronic device applications but also for the exploration of fundamental physical properties.

Improved Deep Speaker Feature Learning for Text-Dependent Speaker Recognition

no code implementations28 Jun 2015 Lantian Li, Yiye Lin, Zhiyong Zhang, Dong Wang

A deep learning approach has been proposed recently to derive speaker identifies (d-vector) by a deep neural network (DNN).

Dynamic Time Warping Speaker Recognition

Recognize Foreign Low-Frequency Words with Similar Pairs

no code implementations16 Jun 2015 Xi Ma, Xiaoxi Wang, Dong Wang, Zhiyong Zhang

We also employ this approach to deal with out-of-language words in the task of multi-lingual speech recognition.

automatic-speech-recognition Language Modelling +1

Knowledge Transfer Pre-training

no code implementations7 Jun 2015 Zhiyuan Tang, Dong Wang, Yiqiao Pan, Zhiyong Zhang

Compared to the conventional layer-wise methods, this new method does not care about the model structure, so can be used to pre-train very complex models.

Speech Recognition Transfer Learning

Deep Speaker Vectors for Semi Text-independent Speaker Verification

no code implementations24 May 2015 Lantian Li, Dong Wang, Zhiyong Zhang, Thomas Fang Zheng

Recent research shows that deep neural networks (DNNs) can be used to extract deep speaker vectors (d-vectors) that preserve speaker characteristics and can be used in speaker verification.

Speaker Recognition Text-Dependent Speaker Verification +2

Recurrent Neural Network Training with Dark Knowledge Transfer

no code implementations18 May 2015 Zhiyuan Tang, Dong Wang, Zhiyong Zhang

Recent research found that a well-trained model can be used as a teacher to train other child models, by using the predictions generated by the teacher model as supervision.

automatic-speech-recognition Speech Recognition +1

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