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Recent studies suggest utilizing generative models instead of traditional auto-regressive algorithms for time series forecasting (TSF) tasks. These non-auto-regressive approaches involving different generative methods, including GAN,…

机器学习 · 计算机科学 2025-03-19 Jiangxuan Long , Zhao Song , Chiwun Yang

Large-scale flow matching models have achieved strong performance across generative tasks such as text-to-image, video, 3D, and speech synthesis. However, aligning their outputs with human preferences and task-specific objectives remains…

机器学习 · 计算机科学 2026-03-10 Zexiang Liu , Xianglong He , Yangguang Li

Generating molecular graphs is crucial in drug design and discovery but remains challenging due to the complex interdependencies between nodes and edges. While diffusion models have demonstrated their potentiality in molecular graph design,…

机器学习 · 计算机科学 2024-11-11 Xiaoyang Hou , Tian Zhu , Milong Ren , Dongbo Bu , Xin Gao , Chunming Zhang , Shiwei Sun

Normalizing flows are an essential alternative to GANs for generative modelling, which can be optimized directly on the maximum likelihood of the dataset. They also allow computation of the exact latent vector corresponding to an image…

机器学习 · 计算机科学 2021-08-10 Sandeep Nagar , Marius Dufraisse , Girish Varma

A normalizing flow models a complex probability density as an invertible transformation of a simple density. The invertibility means that we can evaluate densities and generate samples from a flow. In practice, autoregressive flow-based…

机器学习 · 统计学 2019-06-06 Conor Durkan , Artur Bekasov , Iain Murray , George Papamakarios

Normalizing flows are a powerful class of generative models demonstrating strong performance in several speech and vision problems. In contrast to other generative models, normalizing flows are latent variable models with tractable…

机器学习 · 计算机科学 2021-08-06 Dmitry Baranchuk , Vladimir Aliev , Artem Babenko

Normalizing flows model complex probability distributions using maps obtained by composing invertible layers. Special linear layers such as masked and 1x1 convolutions play a key role in existing architectures because they increase…

机器学习 · 计算机科学 2022-09-29 Chenlin Meng , Linqi Zhou , Kristy Choi , Tri Dao , Stefano Ermon

Diffusion models create data from noise by inverting the forward paths of data towards noise and have emerged as a powerful generative modeling technique for high-dimensional, perceptual data such as images and videos. Rectified flow is a…

This paper strives for image editing via generative models. Flow Matching is an emerging generative modeling technique that offers the advantage of simple and efficient training. Simultaneously, a new transformer-based U-ViT has recently…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Vincent Tao Hu , David W Zhang , Pascal Mettes , Meng Tang , Deli Zhao , Cees G. M. Snoek

Flow-based generative models have demonstrated promising performance across a broad spectrum of data modalities (e.g., image and text). However, there are few works exploring their extension to unordered data (e.g., spatial point set),…

机器学习 · 计算机科学 2025-06-05 Yangming Li , Chaoyu Liu , Carola-Bibiane Schönlieb

This thesis presents novel contributions in two primary areas: advancing the efficiency of generative models, particularly normalizing flows, and applying generative models to solve real-world computer vision challenges. The first part…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Sandeep Nagar

Audio super-resolution is the task of constructing a high-resolution (HR) audio from a low-resolution (LR) audio by adding the missing band. Previous methods based on convolutional neural networks and mean squared error training objective…

声音 · 计算机科学 2021-06-17 Kexun Zhang , Yi Ren , Changliang Xu , Zhou Zhao

This paper introduces Goku, a state-of-the-art family of joint image-and-video generation models leveraging rectified flow Transformers to achieve industry-leading performance. We detail the foundational elements enabling high-quality…

In this work, we present a domain flow generation(DLOW) model to bridge two different domains by generating a continuous sequence of intermediate domains flowing from one domain to the other. The benefits of our DLOW model are two-fold.…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Rui Gong , Wen Li , Yuhua Chen , Luc Van Gool

Graph convolutional networks (GCNs) are \emph{discriminative models} that directly model the class posterior $p(y|\mathbf{x})$ for semi-supervised classification of graph data. While being effective, as a representation learning approach,…

机器学习 · 计算机科学 2023-05-30 Tianchun Wang , Farzaneh Mirzazadeh , Xiang Zhang , Jie Chen

Engineering complex systems (aircraft, buildings, vehicles) requires coordinating geometric and performance couplings across subsystems. As generative models proliferate for specialized domains, a key research gap is how to coordinate…

计算工程、金融与科学 · 计算机科学 2026-04-08 Tim Aebersold , Soheyl Massoudi , Mark D. Fuge

End-to-end models for raw audio generation are a challenge, specially if they have to work with non-parallel data, which is a desirable setup in many situations. Voice conversion, in which a model has to impersonate a speaker in a…

机器学习 · 计算机科学 2019-09-06 Joan Serrà , Santiago Pascual , Carlos Segura

Effective power flow modeling critically affects the ability to efficiently solve large-scale grid optimization problems, especially those with topology-related decision variables. In this work, we put forth a generative modeling approach…

系统与控制 · 电气工程与系统科学 2023-07-25 Young-ho Cho , Hao Zhu

Large-scale diffusion models have achieved remarkable performance in generative tasks. Beyond their initial training applications, these models have proven their ability to function as versatile plug-and-play priors. For instance, 2D…

计算机视觉与模式识别 · 计算机科学 2025-02-21 Xiaofeng Yang , Cheng Chen , Xulei Yang , Fayao Liu , Guosheng Lin

We present STARFlow, a scalable generative model based on normalizing flows that achieves strong performance in high-resolution image synthesis. The core of STARFlow is Transformer Autoregressive Flow (TARFlow), which combines the…