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Variational encoder-decoders (VEDs) have shown promising results in dialogue generation. However, the latent variable distributions are usually approximated by a much simpler model than the powerful RNN structure used for encoding and…

计算与语言 · 计算机科学 2018-02-07 Xiaoyu Shen , Hui Su , Shuzi Niu , Vera Demberg

Unsupervised representation learning holds the promise of exploiting large amounts of unlabeled data to learn general representations. A promising technique for unsupervised learning is the framework of Variational Auto-encoders (VAEs).…

计算机视觉与模式识别 · 计算机科学 2020-04-09 Kamal Gupta , Saurabh Singh , Abhinav Shrivastava

Text-to-speech synthesis (TTS) is a task to convert texts into speech. Two of the factors that have been driving TTS are the advancements of probabilistic models and latent representation learning. We propose a TTS method based on latent…

音频与语音处理 · 电气工程与系统科学 2022-12-19 Yusuke Yasuda , Tomoki Toda

Videos express highly structured spatio-temporal patterns of visual data. A video can be thought of as being governed by two factors: (i) temporally invariant (e.g., person identity), or slowly varying (e.g., activity), attribute-induced…

计算机视觉与模式识别 · 计算机科学 2018-03-26 Jiawei He , Andreas Lehrmann , Joseph Marino , Greg Mori , Leonid Sigal

Video Variational Autoencoder (VAE) encodes videos into a low-dimensional latent space, becoming a key component of most Latent Video Diffusion Models (LVDMs) to reduce model training costs. However, as the resolution and duration of…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Zongjian Li , Bin Lin , Yang Ye , Liuhan Chen , Xinhua Cheng , Shenghai Yuan , Li Yuan

Recent neural text-to-speech (TTS) models with fine-grained latent features enable precise control of the prosody of synthesized speech. Such models typically incorporate a fine-grained variational autoencoder (VAE) structure, extracting…

音频与语音处理 · 电气工程与系统科学 2020-02-11 Guangzhi Sun , Yu Zhang , Ron J. Weiss , Yuan Cao , Heiga Zen , Andrew Rosenberg , Bhuvana Ramabhadran , Yonghui Wu

We study video-specific autoencoders that allow a human user to explore, edit, and efficiently transmit videos. Prior work has independently looked at these problems (and sub-problems) and proposed different formulations. In this work, we…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Kevin Wang , Deva Ramanan , Aayush Bansal

In this paper, we teach machines to understand visuals and natural language by learning the mapping between sentences and noisy video snippets without explicit annotations. Firstly, we define a self-supervised learning framework that…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Yujie Zhong , Linhai Xie , Sen Wang , Lucia Specia , Yishu Miao

Deep generative models have been used in recent years to learn coherent latent representations in order to synthesize high-quality images. In this work, we propose a neural network to learn a generative model for sampling consistent indoor…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Pulak Purkait , Christopher Zach , Ian Reid

Conventional video compression approaches use the predictive coding architecture and encode the corresponding motion information and residual information. In this paper, taking advantage of both classical architecture in the conventional…

图像与视频处理 · 电气工程与系统科学 2019-04-09 Guo Lu , Wanli Ouyang , Dong Xu , Xiaoyun Zhang , Chunlei Cai , Zhiyong Gao

Speechreading is a notoriously difficult task for humans to perform. In this paper we present an end-to-end model based on a convolutional neural network (CNN) for generating an intelligible acoustic speech signal from silent video frames…

计算机视觉与模式识别 · 计算机科学 2017-01-10 Ariel Ephrat , Shmuel Peleg

Representation learning is the foundation of natural language processing (NLP). This work presents new methods to employ visual information as assistant signals to general NLP tasks. For each sentence, we first retrieve a flexible number of…

计算与语言 · 计算机科学 2023-01-10 Zhuosheng Zhang , Kehai Chen , Rui Wang , Masao Utiyama , Eiichiro Sumita , Zuchao Li , Hai Zhao

The task of the emotion recognition in the wild (EmotiW) Challenge is to assign one of seven emotions to short video clips extracted from Hollywood style movies. The videos depict acted-out emotions under realistic conditions with a large…

We introduce Wav2Seq, the first self-supervised approach to pre-train both parts of encoder-decoder models for speech data. We induce a pseudo language as a compact discrete representation, and formulate a self-supervised pseudo speech…

计算与语言 · 计算机科学 2022-05-03 Felix Wu , Kwangyoun Kim , Shinji Watanabe , Kyu Han , Ryan McDonald , Kilian Q. Weinberger , Yoav Artzi

Variational autoencoders~(VAEs) have shown a promise in data-driven conversation modeling. However, most VAE conversation models match the approximate posterior distribution over the latent variables to a simple prior such as standard…

计算与语言 · 计算机科学 2019-02-27 Xiaodong Gu , Kyunghyun Cho , Jung-Woo Ha , Sunghun Kim

This paper proposes a hierarchical and multi-scale variational autoencoder-based non-autoregressive text-to-speech model (HiMuV-TTS) to generate natural speech with diverse speaking styles. Recent advances in non-autoregressive TTS…

音频与语音处理 · 电气工程与系统科学 2022-08-16 Jae-Sung Bae , Jinhyeok Yang , Tae-Jun Bak , Young-Sun Joo

Audio to Video generation is an interesting problem that has numerous applications across industry verticals including film making, multi-media, marketing, education and others. High-quality video generation with expressive facial movements…

计算机视觉与模式识别 · 计算机科学 2020-12-16 Neeraj Kumar , Srishti Goel , Ankur Narang , Mujtaba Hasan

Advancements in language foundation models have primarily fueled the recent surge in artificial intelligence. In contrast, generative learning of non-textual modalities, especially videos, significantly trails behind language modeling. This…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Lijun Yu

In this paper, we present a method for reprogramming pre-trained audio-driven talking face synthesis models to operate in a text-driven manner. Consequently, we can easily generate face videos that articulate the provided textual sentences,…

图形学 · 计算机科学 2024-01-19 Jeongsoo Choi , Minsu Kim , Se Jin Park , Yong Man Ro

We propose a self-supervised method for learning representations based on spatial audio-visual correspondences in egocentric videos. Our method uses a masked auto-encoding framework to synthesize masked binaural (multi-channel) audio…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Sagnik Majumder , Ziad Al-Halah , Kristen Grauman