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The unsupervised Pretraining method has been widely used in aiding human action recognition. However, existing methods focus on reconstructing the already present frames rather than generating frames which happen in future.In this paper, We…

计算机视觉与模式识别 · 计算机科学 2017-12-13 Yu Runsheng , Shi Zhenyu , Ma Qiongxiong , Qing Laiyun

In many machine learning tasks, learning a good representation of the data can be the key to building a well-performant solution. This is because most learning algorithms operate with the features in order to find models for the data. For…

机器学习 · 计算机科学 2020-05-22 David Charte , Francisco Charte , María J. del Jesus , Francisco Herrera

Autoencoders are popular among neural-network-based matrix completion models due to their ability to retrieve potential latent factors from the partially observed matrices. Nevertheless, when training data is scarce their performance is…

机器学习 · 计算机科学 2018-07-06 Duc Minh Nguyen , Evaggelia Tsiligianni , Robert Calderbank , Nikos Deligiannis

Dealing with missing data in data analysis is inevitable. Although powerful imputation methods that address this problem exist, there is still much room for improvement. In this study, we examined single imputation based on deep…

机器学习 · 计算机科学 2020-04-07 Najmeh Abiri , Björn Linse , Patrik Edén , Mattias Ohlsson

Machine learning for data-driven diagnosis has been actively studied in medicine to provide better healthcare. Supporting analysis of a patient cohort similar to a patient under treatment is a key task for clinicians to make decisions with…

医学物理 · 物理学 2020-03-25 Rongchen Guo , Takanori Fujiwara , Yiran Li , Kelly M. Lima , Soman Sen , Nam K. Tran , Kwan-Liu Ma

Ensembling multiple predictions is a widely used technique for improving the accuracy of various machine learning tasks. One obvious drawback of ensembling is its higher execution cost during inference. In this paper, we first describe our…

机器学习 · 计算机科学 2019-03-11 Hiroshi Inoue

The prediction of express delivery sequence, i.e., modeling and estimating the volumes of daily incoming and outgoing parcels for delivery, is critical for online business, logistics, and positive customer experience, and specifically for…

机器学习 · 计算机科学 2021-08-19 Siyuan Ren , Bin Guo , Longbing Cao , Ke Li , Jiaqi Liu , Zhiwen Yu

Image translation with convolutional autoencoders has recently been used as an approach to multimodal change detection in bitemporal satellite images. A main challenge is the alignment of the code spaces by reducing the contribution of…

计算机视觉与模式识别 · 计算机科学 2020-04-16 Luigi T. Luppino , Mads A. Hansen , Michael Kampffmeyer , Filippo M. Bianchi , Gabriele Moser , Robert Jenssen , Stian N. Anfinsen

In previous works, neural sequence models have been shown to improve significantly if external prior knowledge can be provided, for instance by allowing the model to access the embeddings of explicit features during both training and…

计算与语言 · 计算机科学 2018-12-31 Cong Duy Vu Hoang , Ioan Calapodescu , Marc Dymetman

Cosine similarity is a widely used measure of the relatedness of pre-trained word embeddings, trained on a language modeling goal. Datasets such as WordSim-353 and SimLex-999 rate how similar words are according to human annotators, and as…

计算与语言 · 计算机科学 2022-03-30 Isa M. Apallius de Vos , Ghislaine L. van den Boogerd , Mara D. Fennema , Adriana D. Correia

Generative processes in biology and other fields often produce data that can be regarded as resulting from a composition of basic features. Here we present an unsupervised method based on autoencoders for inferring these basic features of…

定量方法 · 定量生物学 2019-10-04 Matteo Negri , Davide Bergamini , Carlo Baldassi , Riccardo Zecchina , Christoph Feinauer

For effective human-robot teaming, it is important for the robots to be able to share their visual perception with the human operators. In a harsh remote collaboration setting, data compression techniques such as autoencoder can be utilized…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Hyeonwoo Yu , Jean Oh

Embedding models, which learn latent representations of users and items based on user-item interaction patterns, are a key component of recommendation systems. In many applications, contextual constraints need to be applied to refine…

信息检索 · 计算机科学 2019-07-04 Syrine Krichene , Mike Gartrell , Clement Calauzenes

We present an autoencoder that leverages learned representations to better measure similarities in data space. By combining a variational autoencoder with a generative adversarial network we can use learned feature representations in the…

机器学习 · 计算机科学 2016-02-12 Anders Boesen Lindbo Larsen , Søren Kaae Sønderby , Hugo Larochelle , Ole Winther

Deep learning models frequently make incorrect predictions with high confidence when presented with test examples that are not well represented in their training dataset. We propose a novel and straightforward approach to estimate…

机器学习 · 计算机科学 2019-10-04 Tiago Ramalho , Miguel Miranda

Configuration space complexity makes the big-data software systems hard to configure well. Consider Hadoop, with over nine hundred parameters, developers often just use the default configurations provided with Hadoop distributions. The…

系统与控制 · 电气工程与系统科学 2020-06-24 Rahul Krishna , Chong Tang , Kevin Sullivan , Baishakhi Ray

Matrix factorization is at the heart of many machine learning algorithms, for example, dimensionality reduction (e.g. kernel PCA) or recommender systems relying on collaborative filtering. Understanding a singular value decomposition (SVD)…

机器学习 · 统计学 2019-01-11 Franziska Horn , Klaus-Robert Müller

This study proposes an automated data mining framework based on autoencoders and experimentally verifies its effectiveness in feature extraction and data dimensionality reduction. Through the encoding-decoding structure, the autoencoder can…

机器学习 · 计算机科学 2024-12-04 Yaxin Liang , Xinshi Li , Xin Huang , Ziqi Zhang , Yue Yao

We propose a method to facilitate exploration and analysis of new large data sets. In particular, we give an unsupervised deep learning approach to learning a latent representation that captures semantic similarity in the data set. The core…

计算机视觉与模式识别 · 计算机科学 2020-12-23 Gary B Huang , Huei-Fang Yang , Shin-ya Takemura , Pat Rivlin , Stephen M Plaza

Pre-trained Transformers (\eg BERT) have been commonly used in existing dense retrieval methods for parameter initialization, and recent studies are exploring more effective pre-training tasks for further improving the quality of dense…

计算与语言 · 计算机科学 2023-06-21 Kun Zhou , Xiao Liu , Yeyun Gong , Wayne Xin Zhao , Daxin Jiang , Nan Duan , Ji-Rong Wen