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相关论文: Improving Contextual Coherence in Variational Pers…

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Diversity plays a vital role in many text generating applications. In recent years, Conditional Variational Auto Encoders (CVAE) have shown promising performances for this task. However, they often encounter the so called KL-Vanishing…

机器学习 · 统计学 2019-03-27 Yuchi Zhang , Yongliang Wang , Liping Zhang , Zhiqiang Zhang , Kun Gai

We demonstrate the use of Conditional Variational Encoder (CVAE) to improve the forecasts of daily stock volume time series in both short and long term forecasting tasks, with the use of advanced information of input variables such as…

统计金融 · 定量金融 2024-07-01 Parley R Yang , Alexander Y Shestopaloff

Dynamic Magnetic Resonance Imaging (MRI) of the vocal tract has become an increasingly adopted imaging modality for speech motor studies. Beyond image signals, systematic data loss, noise pollution, and audio file corruption can occur due…

声音 · 计算机科学 2025-12-02 Yaxuan Li , Han Jiang , Yifei Ma , Shihua Qin , Jonghye Woo , Fangxu Xing

A key trait of daily conversations between individuals is the ability to express empathy towards others, and exploring ways to implement empathy is a crucial step towards human-like dialogue systems. Previous approaches on this topic mainly…

计算与语言 · 计算机科学 2023-02-02 Sahand Sabour , Chujie Zheng , Minlie Huang

Deep generative models such as conditional variational autoencoders (CVAEs) have shown great promise for predicting trajectories of surrounding agents in autonomous vehicle planning. State-of-the-art models have achieved remarkable accuracy…

机器人学 · 计算机科学 2025-10-14 Yongxi Cao , Julian F. Schumann , Jens Kober , Joni Pajarinen , Arkady Zgonnikov

We consider the problem of diversifying automated reply suggestions for a commercial instant-messaging (IM) system (Skype). Our conversation model is a standard matching based information retrieval architecture, which consists of two…

计算与语言 · 计算机科学 2019-03-27 Budhaditya Deb , Peter Bailey , Milad Shokouhi

Voice conversion is a task of synthesizing an utterance with target speaker's voice while maintaining linguistic information of the source utterance. While a speaker can produce varying utterances from a single script with different…

声音 · 计算机科学 2025-04-17 Soobin Suh , Dabi Ahn , Heewoong Park , Jonghun Park

Large climate-model ensembles are computationally expensive; yet many downstream analyses would benefit from additional, statistically consistent realizations of spatiotemporal climate variables. We study a generative modeling approach for…

机器学习 · 计算机科学 2026-01-06 Jacquelyn Shelton , Przemyslaw Polewski , Alexander Robel , Matthew Hoffman , Stephen Price

Conversational agents (CAs) are increasingly embedded in daily life, yet their ability to navigate user emotions efficiently is still evolving. This study investigates how users with varying traits -- gender, personality, and cultural…

人机交互 · 计算机科学 2025-11-11 Yuchong Zhang , Yong Ma , Di Fu , Stephanie Zubicueta Portales , Morten Fjeld , Danica Kragic

Variational autoencoders (VAEs) have received much attention recently as an end-to-end architecture for text generation with latent variables. In this paper, we investigate several multi-level structures to learn a VAE model to generate…

计算与语言 · 计算机科学 2019-06-21 Dinghan Shen , Asli Celikyilmaz , Yizhe Zhang , Liqun Chen , Xin Wang , Jianfeng Gao , Lawrence Carin

Variational Autoencoders (VAE) and their variants have been widely used in a variety of applications, such as dialog generation, image generation and disentangled representation learning. However, the existing VAE models have some…

机器学习 · 计算机科学 2020-06-23 Huajie Shao , Shuochao Yao , Dachun Sun , Aston Zhang , Shengzhong Liu , Dongxin Liu , Jun Wang , Tarek Abdelzaher

Introducing variability while maintaining coherence is a core task in learning to generate utterances in conversation. Standard neural encoder-decoder models and their extensions using conditional variational autoencoder often result in…

计算与语言 · 计算机科学 2018-10-23 Hung Le , Truyen Tran , Thin Nguyen , Svetha Venkatesh

Current variational dialog models have employed pre-trained language models (PLMs) to parameterize the likelihood and posterior distributions. However, the Gaussian assumption made on the prior distribution is incompatible with these…

计算与语言 · 计算机科学 2023-10-25 Tianyu Yang , Thy Thy Tran , Iryna Gurevych

Previous entity disambiguation (ED) methods adopt a discriminative paradigm, where prediction is made based on matching scores between mention context and candidate entities using length-limited encoders. However, these methods often…

计算与语言 · 计算机科学 2023-11-07 Zilin Xiao , Linjun Shou , Xingyao Zhang , Jie Wu , Ming Gong , Jian Pei , Daxin Jiang

Real-time, accurate prediction of human steering behaviors has wide applications, from developing intelligent traffic systems to deploying autonomous driving systems in both real and simulated worlds. In this paper, we present ContextVAE, a…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Pei Xu , Jean-Bernard Hayet , Ioannis Karamouzas

In real-world environments, background noise significantly degrades the intelligibility and clarity of human speech. Audio-visual speech enhancement (AVSE) attempts to restore speech quality, but existing methods often fall short,…

音频与语音处理 · 电气工程与系统科学 2024-02-27 Tassadaq Hussain , Kia Dashtipour , Yu Tsao , Amir Hussain

Persona-based dialogue systems aim to generate consistent responses based on historical context and predefined persona. Unlike conventional dialogue generation, the persona-based dialogue needs to consider both dialogue context and persona,…

计算与语言 · 计算机科学 2024-01-11 Qiushi Huang , Yu Zhang , Tom Ko , Xubo Liu , Bo Wu , Wenwu Wang , Lilian Tang

While generative models have shown great success in generating high-dimensional samples conditional on low-dimensional descriptors (learning e.g. stroke thickness in MNIST, hair color in CelebA, or speaker identity in Wavenet), their…

机器学习 · 计算机科学 2019-10-31 Mohammad Lotfollahi , Mohsen Naghipourfar , Fabian J. Theis , F. Alexander Wolf

Conditional variational models, using either continuous or discrete latent variables, are powerful for open-domain dialogue response generation. However, previous works show that continuous latent variables tend to reduce the coherence of…

计算与语言 · 计算机科学 2022-12-05 Bin Sun , Yitong Li , Fei Mi , Weichao Wang , Yiwei Li , Kan Li

Speech synthesis systems powered by neural networks hold promise for multimedia production, but frequently face issues with producing expressive speech and seamless editing. In response, we present the Cross-Utterance Conditioned…

声音 · 计算机科学 2024-09-20 Yang Li , Cheng Yu , Guangzhi Sun , Weiqin Zu , Zheng Tian , Ying Wen , Wei Pan , Chao Zhang , Jun Wang , Yang Yang , Fanglei Sun