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Energy-Based Models (EBMs) present a flexible and appealing way to represent uncertainty. Despite recent advances, training EBMs on high-dimensional data remains a challenging problem as the state-of-the-art approaches are costly, unstable,…

机器学习 · 计算机科学 2021-06-08 Will Grathwohl , Jacob Kelly , Milad Hashemi , Mohammad Norouzi , Kevin Swersky , David Duvenaud

Controllable generation is one of the key requirements for successful adoption of deep generative models in real-world applications, but it still remains as a great challenge. In particular, the compositional ability to generate novel…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Weili Nie , Arash Vahdat , Anima Anandkumar

Text generation is ubiquitous in many NLP tasks, from summarization, to dialogue and machine translation. The dominant parametric approach is based on locally normalized models which predict one word at a time. While these work remarkably…

计算与语言 · 计算机科学 2020-04-27 Yuntian Deng , Anton Bakhtin , Myle Ott , Arthur Szlam , Marc'Aurelio Ranzato

Cryo-electron microscopy (cryo-EM) enables single-particle analysis of biological macromolecules under strict low-dose imaging conditions, but the resulting micrographs often exhibit extremely low signal-to-noise ratios and weak particle…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Xiaoqi Wu , Xueying Zhan , Wen Li , Junhao Wu , Xin Huang , Min Xu

Training energy-based models (EBMs) on discrete spaces is challenging because sampling over such spaces can be difficult. We propose to train discrete EBMs with energy discrepancy (ED), a novel type of contrastive loss functional which only…

机器学习 · 统计学 2023-07-18 Tobias Schröder , Zijing Ou , Yingzhen Li , Andrew B. Duncan

Energy-Based Models (EBMs) have proven to be a highly effective approach for modelling densities on finite-dimensional spaces. Their ability to incorporate domain-specific choices and constraints into the structure of the model through…

机器学习 · 计算机科学 2023-02-24 Jen Ning Lim , Sebastian Vollmer , Lorenz Wolf , Andrew Duncan

Neural language models can be successfully trained on source code, leading to applications such as code completion. However, their versatile autoregressive self-supervision objective overlooks important global sequence-level features that…

机器学习 · 计算机科学 2021-06-10 Tomasz Korbak , Hady Elsahar , Marc Dymetman , Germán Kruszewski

In generative modeling, tokenization simplifies complex data into compact, structured representations, creating a more efficient, learnable space. For high-dimensional visual data, it reduces redundancy and emphasizes key features for…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Long Zhao , Sanghyun Woo , Ziyu Wan , Yandong Li , Han Zhang , Boqing Gong , Hartwig Adam , Xuhui Jia , Ting Liu

Recently there has been a lot of interest in non-autoregressive (non-AR) models for speech synthesis, such as FastSpeech 2 and diffusion models. Unlike AR models, these models do not have autoregressive dependencies among outputs which…

声音 · 计算机科学 2023-10-20 Wanli Sun , Zehai Tu , Anton Ragni

Energy-based models (EBMs) exhibit a variety of desirable properties in predictive tasks, such as generality, simplicity and compositionality. However, training EBMs on high-dimensional datasets remains unstable and expensive. In this…

计算机视觉与模式识别 · 计算机科学 2023-03-09 Xiulong Yang , Shihao Ji

Reconstructing a continuous surface from an unoritented 3D point cloud is a fundamental task in 3D shape processing. In recent years, several methods have been proposed to address this problem using implicit neural representations (INRs).…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Ryutaro Yamauchi , Jinya Sakurai , Ryo Furukawa , Tatsushi Matsubayashi

Energy-based models (EBMs) offer a flexible framework for parameterizing probability distributions using neural networks. However, learning EBMs by exact maximum likelihood estimation (MLE) is generally intractable, due to the need to…

机器学习 · 计算机科学 2025-08-20 Michael E. Sander , Vincent Roulet , Tianlin Liu , Mathieu Blondel

This paper studies the fundamental problem of learning energy-based model (EBM) in the latent space of the generator model. Learning such prior model typically requires running costly Markov Chain Monte Carlo (MCMC). Instead, we propose to…

机器学习 · 计算机科学 2022-09-20 Zhisheng Xiao , Tian Han

This work proposes a method for using any generator network as the foundation of an Energy-Based Model (EBM). Our formulation posits that observed images are the sum of unobserved latent variables passed through the generator network and a…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Mitch Hill , Erik Nijkamp , Jonathan Mitchell , Bo Pang , Song-Chun Zhu

In this paper, we propose a novel generative model that utilizes a conditional Energy-Based Model (EBM) for enhancing Variational Autoencoder (VAE), termed Energy-Calibrated VAE (EC-VAE). Specifically, VAEs often suffer from blurry…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Yihong Luo , Siya Qiu , Xingjian Tao , Yujun Cai , Jing Tang

Energy-based models (EBMs) are powerful probabilistic models, but suffer from intractable sampling and density evaluation due to the partition function. As a result, inference in EBMs relies on approximate sampling algorithms, leading to a…

机器学习 · 计算机科学 2020-01-10 Dieterich Lawson , George Tucker , Bo Dai , Rajesh Ranganath

In this chapter we provide a thorough overview of the use of energy-based models (EBMs) in the context of inverse imaging problems. EBMs are probability distributions modeled via Gibbs densities $p(x) \propto \exp{-E(x)}$ with an…

图像与视频处理 · 电气工程与系统科学 2025-09-17 Andreas Habring , Martin Holler , Thomas Pock , Martin Zach

Research in the past years introduced Steered Mixture-of-Experts (SMoE) as a framework to form sparse, edge-aware models for 2D- and higher dimensional pixel data, applicable to compression, denoising, and beyond, and capable to compete…

图像与视频处理 · 电气工程与系统科学 2023-05-08 Elvira Fleig , Erik Bochinski , Thomas Sikora

In this work, we explore joint energy-based model (EBM) training during the finetuning of pretrained text encoders (e.g., Roberta) for natural language understanding (NLU) tasks. Our experiments show that EBM training can help the model…

计算与语言 · 计算机科学 2021-02-22 Tianxing He , Bryan McCann , Caiming Xiong , Ehsan Hosseini-Asl

Energy-based learning is a powerful learning paradigm that encapsulates various discriminative and generative approaches. An energy-based model (EBM) is typically formed of inner-model(s) that learn a combination of the different features…

机器学习 · 计算机科学 2023-06-05 Firas Laakom , Jenni Raitoharju , Alexandros Iosifidis , Moncef Gabbouj