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Traditional language models, adept at next-token prediction in text sequences, often struggle with transduction tasks between distinct symbolic systems, particularly when parallel data is scarce. Addressing this issue, we introduce…

Machine Learning · Computer Science 2024-02-19 Mohammad Hossein Amani , Nicolas Mario Baldwin , Amin Mansouri , Martin Josifoski , Maxime Peyrard , Robert West

Cross-speaker style transfer in speech synthesis aims at transferring a style from source speaker to synthesised speech of a target speaker's timbre. Most previous approaches rely on data with style labels, but manually-annotated labels are…

Sound · Computer Science 2022-12-14 Chunyu Qiang , Peng Yang , Hao Che , Xiaorui Wang , Zhongyuan Wang

In this study, we examine the representation learning abilities of Denoising Diffusion Models (DDM) that were originally purposed for image generation. Our philosophy is to deconstruct a DDM, gradually transforming it into a classical…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Xinlei Chen , Zhuang Liu , Saining Xie , Kaiming He

Unsupervised learning is becoming more and more important recently. As one of its key components, the autoencoder (AE) aims to learn a latent feature representation of data which is more robust and discriminative. However, most AE based…

Machine Learning · Computer Science 2019-04-02 Jingcai Guo , Song Guo

Recent work (Bengio et al., 2013) has shown howDenoising Auto-Encoders(DAE) become gener-ative models as a density estimator. However,in practice, the framework suffers from a mixingproblem in the MCMC sampling process and nodirect method…

Machine Learning · Computer Science 2017-01-31 Dong-Hyun Lee

Traditional supervised denoisers are trained using pairs of noisy input and clean target images. They learn to predict a central tendency of the posterior distribution over possible clean images. When, e.g., trained with the popular…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Benjamin Salmon , Alexander Krull

The data bottleneck has emerged as a fundamental challenge in learning based image restoration methods. Researchers have attempted to generate synthesized training data using paired or unpaired samples to address this challenge. This study…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Dihan Zheng , Yihang Zou , Xiaowen Zhang , Chenglong Bao

In recent years, speech emotion recognition (SER) has been used in wide ranging applications, from healthcare to the commercial sector. In addition to signal processing approaches, methods for SER now also use deep learning techniques which…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-29 Sneha Das , Nicole Nadine Lønfeldt , Anne Katrine Pagsberg , Line H. Clemmensen

Denoising autoencoders (DAEs) are powerful deep learning models used for feature extraction, data generation and network pre-training. DAEs consist of an encoder and decoder which may be trained simultaneously to minimise a loss (function)…

Computer Vision and Pattern Recognition · Computer Science 2017-10-10 Antonia Creswell , Kai Arulkumaran , Anil A. Bharath

Modern works on style transfer focus on transferring style from a single image. Recently, some approaches study multiple style transfer; these, however, are either too slow or fail to mix multiple styles. We propose ST-VAE, a Variational…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Zhi-Song Liu , Vicky Kalogeiton , Marie-Paule Cani

Stacked denoising auto encoders (DAEs) are well known to learn useful deep representations, which can be used to improve supervised training by initializing a deep network. We investigate a training scheme of a deep DAE, where DAE layers…

Machine Learning · Computer Science 2015-04-14 Alexander Kalmanovich , Gal Chechik

Although semi-supervised variational autoencoder (SemiVAE) works in image classification task, it fails in text classification task if using vanilla LSTM as its decoder. From a perspective of reinforcement learning, it is verified that the…

Computation and Language · Computer Science 2016-11-28 Weidi Xu , Haoze Sun , Chao Deng , Ying Tan

We introduce a new task, Contextual Text Style Transfer - translating a sentence into a desired style with its surrounding context taken into account. This brings two key challenges to existing style transfer approaches: ($i$) how to…

Computation and Language · Computer Science 2020-05-04 Yu Cheng , Zhe Gan , Yizhe Zhang , Oussama Elachqar , Dianqi Li , Jingjing Liu

Anomaly detection in tabular data remains challenging due to complex feature interactions and the scarcity of anomalous examples. Denoising autoencoders rely on fixed-magnitude noise, limiting adaptability to diverse data distributions.…

Machine Learning · Computer Science 2025-08-04 Timur Sattarov , Marco Schreyer , Damian Borth

Text style transfer task requires the model to transfer a sentence of one style to another style while retaining its original content meaning, which is a challenging problem that has long suffered from the shortage of parallel data. In this…

Computation and Language · Computer Science 2019-09-26 Mingyue Shang , Piji Li , Zhenxin Fu , Lidong Bing , Dongyan Zhao , Shuming Shi , Rui Yan

Traditional approaches for Visual Question Answering (VQA) require large amount of labeled data for training. Unfortunately, such large scale data is usually not available for medical domain. In this paper, we propose a novel medical VQA…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Binh D. Nguyen , Thanh-Toan Do , Binh X. Nguyen , Tuong Do , Erman Tjiputra , Quang D. Tran

Recently, encoder-decoder neural models have achieved great success on text generation tasks. However, one problem of this kind of models is that their performances are usually limited by the scale of well-labeled data, which are very…

Computation and Language · Computer Science 2019-06-04 Hongyu Zang , Xiaojun Wan

Semi-Supervised Variational Autoencoders (SSVAEs) are widely used models for data efficient learning. In this paper, we question the adequacy of the standard design of sequence SSVAEs for the task of text classification as we exhibit two…

Computation and Language · Computer Science 2021-09-28 Ghazi Felhi , Joseph Le Roux , Djamé Seddah

Despite the progress made in the style transfer task, most previous work focus on transferring only relatively simple features like color or texture, while missing more abstract concepts such as overall art expression or painter-specific…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Zipeng Xu , Enver Sangineto , Nicu Sebe

Text simplification (TS) rephrases long sentences into simplified variants while preserving inherent semantics. Traditional sequence-to-sequence models heavily rely on the quantity and quality of parallel sentences, which limits their…

Computation and Language · Computer Science 2020-05-01 Yanbin Zhao , Lu Chen , Zhi Chen , Kai Yu