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We present fast, realistic image generation on high-resolution, multimodal datasets using hierarchical variational autoencoders (VAEs) trained on a deterministic autoencoder's latent space. In this two-stage setup, the autoencoder…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Troy Luhman , Eric Luhman

We introduce an improved variational autoencoder (VAE) for text modeling with topic information explicitly modeled as a Dirichlet latent variable. By providing the proposed model topic awareness, it is more superior at reconstructing input…

计算与语言 · 计算机科学 2018-11-02 Yijun Xiao , Tiancheng Zhao , William Yang Wang

A layout to image (L2I) generation model aims to generate a complicated image containing multiple objects (things) against natural background (stuff), conditioned on a given layout. Built upon the recent advances in generative adversarial…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Sen He , Wentong Liao , Michael Ying Yang , Yongxin Yang , Yi-Zhe Song , Bodo Rosenhahn , Tao Xiang

Conventional training of a deep CNN based object detector demands a large number of bounding box annotations, which may be unavailable for rare categories. In this work we develop a few-shot object detector that can learn to detect novel…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Bingyi Kang , Zhuang Liu , Xin Wang , Fisher Yu , Jiashi Feng , Trevor Darrell

Recent advances in a generative neural network model extend the development of data augmentation methods. However, the augmentation methods based on the modern generative models fail to achieve notable performance for class imbalance data…

机器学习 · 计算机科学 2025-07-08 Sungchul Hong , Seunghwan An , Jong-June Jeon

The ability to extract generative parameters from high-dimensional fields of data in an unsupervised manner is a highly desirable yet unrealized goal in computational physics. This work explores the use of variational autoencoders (VAEs)…

计算物理 · 物理学 2021-11-16 Christian Jacobsen , Karthik Duraisamy

Learning from heterogeneous data poses challenges such as combining data from various sources and of different types. Meanwhile, heterogeneous data are often associated with missingness in real-world applications due to heterogeneity and…

机器学习 · 计算机科学 2021-02-26 Yu Gong , Hossein Hajimirsadeghi , Jiawei He , Thibaut Durand , Greg Mori

Model-agnostic anomaly detection is one of the promising approaches in the search for new beyond the standard model physics. In this paper, we present Set-VAE, a particle-based variational autoencoder (VAE) anomaly detection algorithm. We…

高能物理 - 实验 · 物理学 2023-11-30 Ryan Liu , Abhijith Gandrakota , Jennifer Ngadiuba , Maria Spiropulu , Jean-Roch Vlimant

Through a simple multiple choice language prompt a VQA model can operate as a zero-shot image classifier, producing a classification label. Compared to typical image encoders, VQA models offer an advantage: VQA-produced image embeddings can…

机器学习 · 计算机科学 2024-07-24 Dipika Khullar , Emmett Goodman , Negin Sokhandan

The variational autoencoder (VAE) is a powerful generative model that can estimate the probability of a data point by using latent variables. In the VAE, the posterior of the latent variable given the data point is regularized by the prior…

机器学习 · 统计学 2019-12-30 Hiroshi Takahashi , Tomoharu Iwata , Yuki Yamanaka , Masanori Yamada , Satoshi Yagi

Variational Autoencoder is a scalable method for learning latent variable models of complex data. It employs a clear objective that can be easily optimized. However, it does not explicitly measure the quality of learned representations. We…

机器学习 · 计算机科学 2020-05-29 Andriy Serdega , Dae-Shik Kim

The increasing availability and accessibility of numerous overhead images allows us to estimate and assess the spatial arrangement of groups of geospatial target objects, which can benefit many applications, such as traffic monitoring and…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Weiwei Duan , Yao-Yi Chiang , Stefan Leyk , Johannes H. Uhl , Craig A. Knoblock

We present a novel introspective variational autoencoder (IntroVAE) model for synthesizing high-resolution photographic images. IntroVAE is capable of self-evaluating the quality of its generated samples and improving itself accordingly.…

机器学习 · 计算机科学 2018-10-30 Huaibo Huang , Zhihang Li , Ran He , Zhenan Sun , Tieniu Tan

Automatic melody generation has been a long-time aspiration for both AI researchers and musicians. However, learning to generate euphonious melodies has turned out to be highly challenging. This paper introduces 1) a new variant of…

人工智能 · 计算机科学 2018-11-02 Yu-An Wang , Yu-Kai Huang , Tzu-Chuan Lin , Shang-Yu Su , Yun-Nung Chen

Inferring objects and their relationships from an image in the form of a scene graph is useful in many applications at the intersection of vision and language. We consider a challenging problem of compositional generalization that emerges…

计算机视觉与模式识别 · 计算机科学 2021-10-04 Boris Knyazev , Harm de Vries , Cătălina Cangea , Graham W. Taylor , Aaron Courville , Eugene Belilovsky

The goal of this paper is to perform object detection in satellite imagery with only a few examples, thus enabling users to specify any object class with minimal annotation. To this end, we explore recent methods and ideas from…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Xavier Bou , Gabriele Facciolo , Rafael Grompone von Gioi , Jean-Michel Morel , Thibaud Ehret

In this paper, we explore the use of a variational autoencoder (VAE), a deep generative model, to compress and generate images of dark matter density fields from $\Lambda$CDM like cosmological simulations. The VAE learns a compact,…

宇宙学与河外天体物理 · 物理学 2025-07-25 Jazhiel Chacón-Lavanderos , Isidro Gómez-Vargas , Ricardo Menchaca-Mendez , J. Alberto Vázquez

Classical methods for model order selection often fail in scenarios with low SNR or few snapshots. Deep learning-based methods are promising alternatives for such challenging situations as they compensate lack of information in the…

信号处理 · 电气工程与系统科学 2023-12-07 Michael Baur , Franz Weißer , Benedikt Böck , Wolfgang Utschick

Variational autoencoders (VAE) encode data into lower-dimensional latent vectors before decoding those vectors back to data. Once trained, decoding a random latent vector from the prior usually does not produce meaningful data, at least…

机器学习 · 计算机科学 2025-07-23 Alejandro Ascarate , Leo Lebrat , Rodrigo Santa Cruz , Clinton Fookes , Olivier Salvado

With the introduction of the variational autoencoder (VAE), probabilistic latent variable models have received renewed attention as powerful generative models. However, their performance in terms of test likelihood and quality of generated…

机器学习 · 统计学 2020-01-13 Lars Maaløe , Marco Fraccaro , Valentin Liévin , Ole Winther