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Denoising diffusion probabilistic models (DDPMs) have recently achieved leading performances in many generative tasks. However, the inherited iterative sampling process costs hinder their applications to text-to-speech deployment. Through…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-14 Rongjie Huang , Zhou Zhao , Huadai Liu , Jinglin Liu , Chenye Cui , Yi Ren

A unified diffusion framework for multi-modal generation and understanding has the transformative potential to achieve seamless and controllable image diffusion and other cross-modal tasks. In this paper, we introduce MMGen, a unified…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Jiepeng Wang , Zhaoqing Wang , Hao Pan , Yuan Liu , Dongdong Yu , Changhu Wang , Wenping Wang

Denoising Diffusion Probabilistic Models have shown extraordinary ability on various generative tasks. However, their slow inference speed renders them impractical in speech synthesis. This paper proposes a linear diffusion model (LinDiff)…

Sound · Computer Science 2023-06-13 Haogeng Liu , Tao Wang , Jie Cao , Ran He , Jianhua Tao

Flow matching models have emerged as a strong alternative to diffusion models, but existing inversion and editing methods designed for diffusion are often ineffective or inapplicable to them. The straight-line, non-crossing trajectories of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Guanlong Jiao , Biqing Huang , Kuan-Chieh Wang , Renjie Liao

Denoising diffusion probabilistic models (DDPMs) are becoming the leading paradigm for generative models. It has recently shown breakthroughs in audio synthesis, time series imputation and forecasting. In this paper, we propose…

Machine Learning · Computer Science 2024-10-22 Xinyu Yuan , Yan Qiao

Building Virtual Cells that can accurately simulate cellular responses to perturbations is a long-standing goal in systems biology. A fundamental challenge is that high-throughput single-cell sequencing is destructive: the same cell cannot…

Machine Learning · Computer Science 2026-02-24 Xinyu Yuan , Xixian Liu , Ya Shi Zhang , Zuobai Zhang , Hongyu Guo , Jian Tang

We propose UniDFlow, a unified discrete flow-matching framework for multimodal understanding, generation, and editing. It decouples understanding and generation via task-specific low-rank adapters, avoiding objective interference and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Onkar Susladkar , Tushar Prakash , Gayatri Deshmukh , Kiet A. Nguyen , Jiaxun Zhang , Adheesh Juvekar , Tianshu Bao , Lin Chai , Sparsh Mittal , Inderjit S Dhillon , Ismini Lourentzou

Large ensembles of climate projections are essential for characterizing uncertainty in future climate and extreme weather events, yet computational constraints of numerical climate models limit ensemble sizes to a small number of…

Atmospheric and Oceanic Physics · Physics 2025-12-01 Francesco Immorlano , Elijah Tavares , Felix Draxler , Padhraic Smyth , Pierre Gentine , Stephan Mandt

We present TimeFound, an encoder-decoder transformer-based time series foundation model for out-of-the-box zero-shot forecasting. To handle time series data from various domains, TimeFound employs a multi-resolution patching strategy to…

Machine Learning · Computer Science 2025-03-07 Congxi Xiao , Jingbo Zhou , Yixiong Xiao , Xinjiang Lu , Le Zhang , Hui Xiong

Machine fault diagnosis (FD) is a critical task for predictive maintenance, enabling early fault detection and preventing unexpected failures. Despite its importance, existing FD models are operation-specific with limited generalization…

Machine Learning · Computer Science 2025-11-06 Emadeldeen Eldele , Mohamed Ragab , Xu Qing , Edward , Zhenghua Chen , Min Wu , Xiaoli Li , Jay Lee

Introduction: Long-term time series forecasting (LTSF) has gained significant attention in recent years. While various specialized designs exist for capturing temporal dependency, recent studies have shown that even a single linear layer…

Machine Learning · Computer Science 2026-05-19 Zhe Li , Shiyi Qi , Yiduo Li , Zenglin Xu

Multimodal medical image fusion (MMIF) extracts the most meaningful information from multiple source images, enabling a more comprehensive and accurate diagnosis. Achieving high-quality fusion results requires a careful balance of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Dan He , Weisheng Li , Guofen Wang , Yuping Huang , Shiqiang Liu

Diffusion models are increasingly being utilised to create synthetic tabular and time series data for privacy-preserving augmentation. Tabular Denoising Diffusion Probabilistic Models (TabDDPM) generate high-quality synthetic data from…

Machine Learning · Computer Science 2026-04-08 Umang Dobhal , Christina Garcia , Sozo Inoue

We propose Uni-ArrayDPS, a novel diffusion-based refinement framework for unified multi-channel speech enhancement and separation. Existing methods for multi-channel speech enhancement/separation are mostly discriminative and are highly…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-27 Zhongweiyang Xu , Ashutosh Pandey , Juan Azcarreta , Zhaoheng Ni , Sanjeel Parekh , Buye Xu , Romit Roy Choudhury

Multi-modal object tracking integrates auxiliary modalities such as depth, thermal infrared, event flow, and language to provide additional information beyond RGB images, showing great potential in improving tracking stabilization in…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Shiyu Xuan , Zechao Li , Jinhui Tang

We present a novel 3D shape completion framework that unifies multimodal conditioning, leveraging both 2D images and 3D partial scans through a latent diffusion model. Shapes are represented as Truncated Signed Distance Functions (TSDFs)…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Simon Schaefer , Juan D. Galvis , Xingxing Zuo , Stefan Leutengger

Time series forecasting (TSF) is an essential branch of machine learning with various applications. Most methods for TSF focus on constructing different networks to extract better information and improve performance. However, practical…

Machine Learning · Computer Science 2025-02-19 Yanru Sun , Zongxia Xie , Haoyu Xing , Hualong Yu , Qinghua Hu

Multi-horizon forecasting problems often contain a complex mix of inputs -- including static (i.e. time-invariant) covariates, known future inputs, and other exogenous time series that are only observed historically -- without any prior…

Machine Learning · Statistics 2020-09-29 Bryan Lim , Sercan O. Arik , Nicolas Loeff , Tomas Pfister

Long-term time series forecasting is a long-standing challenge in various applications. A central issue in time series forecasting is that methods should expressively capture long-term dependency. Furthermore, time series forecasting…

Machine Learning · Computer Science 2024-11-06 Xingyu Zhang , Siyu Zhao , Zeen Song , Huijie Guo , Jianqi Zhang , Changwen Zheng , Wenwen Qiang

We introduce MMaDA, a novel class of multimodal diffusion foundation models designed to achieve superior performance across diverse domains such as textual reasoning, multimodal understanding, and text-to-image generation. The approach is…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Ling Yang , Ye Tian , Bowen Li , Xinchen Zhang , Ke Shen , Yunhai Tong , Mengdi Wang