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Current state-of-the-art generative approaches frequently rely on a two-stage training procedure, where an autoencoder (often a VAE) first performs dimensionality reduction, followed by training a generative model on the learned latent…

机器学习 · 统计学 2025-07-15 Gianluigi Silvestri , Luca Ambrogioni

Learning interpretable dialog structure from human-human dialogs yields basic insights into the structure of conversation, and also provides background knowledge to facilitate dialog generation. In this paper, we conduct unsupervised…

人工智能 · 计算机科学 2021-01-01 Jun Xu , Zeyang Lei , Haifeng Wang , Zheng-Yu Niu , Hua Wu , Wanxiang Che , Ting Liu

Variational auto-encoder (VAE) is an effective neural network architecture to disentangle a speech utterance into speaker identity and linguistic content latent embeddings, then generate an utterance for a target speaker from that of a…

声音 · 计算机科学 2022-08-23 Ziang Long , Yunling Zheng , Meng Yu , Jack Xin

Conventional approaches to personalized dialogue generation typically require a large corpus, as well as predefined persona information. However, in a real-world setting, neither a large corpus of training data nor persona information are…

计算与语言 · 计算机科学 2021-10-06 Jing Yang Lee , Kong Aik Lee , Woon Seng Gan

Dialogue engines that incorporate different types of agents to converse with humans are popular. However, conversations are dynamic in the sense that a selected response will change the conversation on-the-fly, influencing the subsequent…

计算与语言 · 计算机科学 2020-05-08 Asir Saeed , Khai Mai , Pham Minh , Nguyen Tuan Duc , Danushka Bollegala

We propose a Vision-Language Transformer (VLT) framework for referring segmentation to facilitate deep interactions among multi-modal information and enhance the holistic understanding to vision-language features. There are different ways…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Henghui Ding , Chang Liu , Suchen Wang , Xudong Jiang

In this paper, we propose a Conditioned Variational Autoencoder (C-VAE) for constrained top-N item recommendation where the recommended items must satisfy a given condition. The proposed model architecture is similar to a standard VAE in…

机器学习 · 计算机科学 2020-05-05 Tommaso Carraro , Mirko Polato , Fabio Aiolli

Unlike human speakers, typical text-to-speech (TTS) systems are unable to produce multiple distinct renditions of a given sentence. This has previously been addressed by adding explicit external control. In contrast, generative models are…

音频与语音处理 · 电气工程与系统科学 2020-11-04 Zack Hodari , Oliver Watts , Simon King

Deep generative modeling of natural languages has achieved many successes, such as producing fluent sentences and translating from one language into another. However, the development of generative modeling techniques for paraphrase…

计算与语言 · 计算机科学 2023-11-28 Haotian Luo , Yixin Liu , Peidong Liu , Xianggen Liu

We introduce CGA, a conditional VAE architecture, to control, generate, and augment text. CGA is able to generate natural English sentences controlling multiple semantic and syntactic attributes by combining adversarial learning with a…

计算与语言 · 计算机科学 2020-10-05 Giuseppe Russo , Nora Hollenstein , Claudiu Musat , Ce Zhang

The long-standing one-to-many issue of the open-domain dialogues poses significant challenges for automatic evaluation methods, i.e., there may be multiple suitable responses which differ in semantics for a given conversational context. To…

计算与语言 · 计算机科学 2023-06-13 Kun Zhao , Bohao Yang , Chenghua Lin , Wenge Rong , Aline Villavicencio , Xiaohui Cui

Recent advances in Deep Learning and probabilistic modeling have led to strong improvements in generative models for images. On the one hand, Generative Adversarial Networks (GANs) have contributed a highly effective adversarial learning…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Yang He , Bernt Schiele , Mario Fritz

Inverse problems often involve matching observational data using a physical model that takes a large number of parameters as input. These problems tend to be under-constrained and require regularization to impose additional structure on the…

计算物理 · 物理学 2019-06-07 Daniel O'Malley , John K. Golden , Velimir V. Vesselinov

Visual Question Answering (VQA) is an intricate and demanding task that integrates natural language processing (NLP) and computer vision (CV), capturing the interest of researchers. The English language, renowned for its wealth of…

计算与语言 · 计算机科学 2023-07-31 Khiem Vinh Tran , Kiet Van Nguyen , Ngan Luu Thuy Nguyen

The CVAE is one of the most widely-used models in trajectory prediction for AD. It captures the interplay between a driving context and its ground-truth future into a probabilistic latent space and uses it to produce predictions. In this…

机器人学 · 计算机科学 2024-02-28 Faris Janjoš , Marcel Hallgarten , Anthony Knittel , Maxim Dolgov , Andreas Zell , J. Marius Zöllner

Variational Auto-Encoders (VAEs) are capable of learning latent representations for high dimensional data. However, due to the i.i.d. assumption, VAEs only optimize the singleton variational distributions and fail to account for the…

机器学习 · 计算机科学 2020-04-20 Da Tang , Dawen Liang , Tony Jebara , Nicholas Ruozzi

Construction of dictionaries using nonnegative matrix factorisation (NMF) has extensive applications in signal processing and machine learning. With the advances in deep learning, training compact and robust dictionaries using deep neural…

机器学习 · 计算机科学 2023-01-19 Hong-Bo Xie , Caoyuan Li , Shuliang Wang , Richard Yi Da Xu , Kerrie Mengersen

Human social behaviors are inherently multimodal necessitating the development of powerful audiovisual models for their perception. In this paper, we present Social-MAE, our pre-trained audiovisual Masked Autoencoder based on an extended…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Hugo Bohy , Minh Tran , Kevin El Haddad , Thierry Dutoit , Mohammad Soleymani

We address the problem of one-to-many mappings in supervised learning, where a single instance has many different solutions of possibly equal cost. The framework of conditional variational autoencoders describes a class of methods to tackle…

机器学习 · 统计学 2019-09-11 Alexej Klushyn , Nutan Chen , Botond Cseke , Justin Bayer , Patrick van der Smagt

Despite recent successes in synthesizing faces and bedrooms, existing generative models struggle to capture more complex image types, potentially due to the oversimplification of their latent space constructions. To tackle this issue,…

机器学习 · 计算机科学 2018-03-13 Wenling Shang , Kihyuk Sohn , Yuandong Tian