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Conversational speech synthesis (CSS) incorporates historical dialogue as supplementary information with the aim of generating speech that has dialogue-appropriate prosody. While previous methods have already delved into enhancing context…

计算与语言 · 计算机科学 2023-12-19 Yayue Deng , Jinlong Xue , Yukang Jia , Qifei Li , Yichen Han , Fengping Wang , Yingming Gao , Dengfeng Ke , Ya Li

We study Online Continual Learning with missing labels and propose SemiCon, a new contrastive loss designed for partly labeled data. We demonstrate its efficiency by devising a memory-based method trained on an unlabeled data stream, where…

机器学习 · 计算机科学 2022-11-23 Nicolas Michel , Romain Negrel , Giovanni Chierchia , Jean-François Bercher

Self-supervised learning based on instance discrimination has shown remarkable progress. In particular, contrastive learning, which regards each image as well as its augmentations as an individual class and tries to distinguish them from…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Haohang Xu , Xiaopeng Zhang , Hao Li , Lingxi Xie , Hongkai Xiong , Qi Tian

We propose a method for semi-supervised semantic segmentation using an adversarial network. While most existing discriminators are trained to classify input images as real or fake on the image level, we design a discriminator in a fully…

计算机视觉与模式识别 · 计算机科学 2018-07-26 Wei-Chih Hung , Yi-Hsuan Tsai , Yan-Ting Liou , Yen-Yu Lin , Ming-Hsuan Yang

Ladder networks are a notable new concept in the field of semi-supervised learning by showing state-of-the-art results in image recognition tasks while being compatible with many existing neural architectures. We present the recurrent…

计算与语言 · 计算机科学 2017-09-20 Marian Tietz , Tayfun Alpay , Johannes Twiefel , Stefan Wermter

Contrastive learning has gained popularity and pushes state-of-the-art performance across numerous large-scale benchmarks. In contrastive learning, the contrastive loss function plays a pivotal role in discerning similarities between…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Haojin Deng , Yimin Yang

Traditional supervised learning with deep neural networks requires a tremendous amount of labelled data to converge to a good solution. For 3D medical images, it is often impractical to build a large homogeneous annotated dataset for a…

Nonparallel multi-domain voice conversion methods such as the StarGAN-VCs have been widely applied in many scenarios. However, the training of these models usually poses a challenge due to their complicated adversarial network…

音频与语音处理 · 电气工程与系统科学 2022-09-28 Shijing Si , Jianzong Wang , Xulong Zhang , Xiaoyang Qu , Ning Cheng , Jing Xiao

Semi-supervised learning has been an effective paradigm for leveraging unlabeled data to reduce the reliance on labeled data. We propose CoMatch, a new semi-supervised learning method that unifies dominant approaches and addresses their…

机器学习 · 计算机科学 2021-03-04 Junnan Li , Caiming Xiong , Steven Hoi

When performing data classification over a stream of continuously occurring instances, a key challenge is to develop an open-world classifier that anticipates instances from an unknown class. Studies addressing this problem, typically…

计算机视觉与模式识别 · 计算机科学 2018-10-10 Yang Gao , Swarup Chandra , Zhuoyi Wang , Latifur Khan

In this paper, we propose a unified pre-training approach called UniSpeech to learn speech representations with both unlabeled and labeled data, in which supervised phonetic CTC learning and phonetically-aware contrastive self-supervised…

计算与语言 · 计算机科学 2021-06-11 Chengyi Wang , Yu Wu , Yao Qian , Kenichi Kumatani , Shujie Liu , Furu Wei , Michael Zeng , Xuedong Huang

Contrastive learning has been attracting much attention for learning unsupervised sentence embeddings. The current state-of-the-art unsupervised method is the unsupervised SimCSE (unsup-SimCSE). Unsup-SimCSE takes dropout as a minimal data…

计算与语言 · 计算机科学 2022-09-13 Xing Wu , Chaochen Gao , Liangjun Zang , Jizhong Han , Zhongyuan Wang , Songlin Hu

Visual tracking is one of the most challenging computer vision problems. In order to achieve high performance visual tracking in various negative scenarios, a novel cascaded Siamese network is proposed and developed based on two different…

计算机视觉与模式识别 · 计算机科学 2019-05-09 Peng Gao , Yipeng Ma , Ruyue Yuan , Liyi Xiao , Fei Wang

This paper introduces NoRefER, a novel referenceless quality metric for automatic speech recognition (ASR) systems. Traditional reference-based metrics for evaluating ASR systems require costly ground-truth transcripts. NoRefER overcomes…

计算与语言 · 计算机科学 2023-06-23 Kamer Ali Yuksel , Thiago Ferreira , Golara Javadi , Mohamed El-Badrashiny , Ahmet Gunduz

More than half of the 7,000 languages in the world are in imminent danger of going extinct. Traditional methods of documenting language proceed by collecting audio data followed by manual annotation by trained linguists at different levels…

音频与语音处理 · 电气工程与系统科学 2020-08-06 Sameer Khurana , Antoine Laurent , James Glass

Recently, self-supervised representation learning gives further development in multimedia technology. Most existing self-supervised learning methods are applicable to packaged data. However, when it comes to streamed data, they are…

计算机视觉与模式识别 · 计算机科学 2022-11-03 Zhiwei Lin , Yongtao Wang , Hongxiang Lin

Recent advancements in supervised automatic speech recognition (ASR) have achieved remarkable performance, largely due to the growing availability of large transcribed speech corpora. However, most languages lack sufficient paired speech…

计算与语言 · 计算机科学 2025-01-10 Junrui Ni , Liming Wang , Yang Zhang , Kaizhi Qian , Heting Gao , Mark Hasegawa-Johnson , Chang D. Yoo

The challenges in applying contrastive learning to speaker verification (SV) are that the softmax-based contrastive loss lacks discriminative power and that the hard negative pairs can easily influence learning. To overcome the first…

音频与语音处理 · 电气工程与系统科学 2023-03-14 Zhe Li , Man-Wai Mak , Helen Mei-Ling Meng

In this work, we investigate the time series representation learning problem using self-supervised techniques. Contrastive learning is well-known in this area as it is a powerful method for extracting information from the series and…

机器学习 · 计算机科学 2024-10-08 Duy A. Nguyen , Trang H. Tran , Huy Hieu Pham , Phi Le Nguyen , Lam M. Nguyen

The unified streaming and non-streaming speech recognition model has achieved great success due to its comprehensive capabilities. In this paper, we propose to improve the accuracy of the unified model by bridging the inherent…

计算与语言 · 计算机科学 2023-06-02 Yuting Yang , Yuke Li , Binbin Du