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Discrete diffusion models have recently emerged as a promising alternative to the autoregressive approach for generating discrete sequences. Sample generation via gradual denoising or demasking processes allows them to capture hierarchical…

Inference-time controllable generation is essential for real-world applications of unconditional diffusion models. However, most existing techniques focus on individual samples, struggling in applications that require the sample population…

机器学习 · 计算机科学 2026-05-11 Hao Luan , See-Kiong Ng , Chun Kai Ling

Text-to-image diffusion models can generate diverse content with flexible prompts, which makes them well-suited for customization through fine-tuning with a small amount of user-provided data. However, controllable fine-tuning that prevents…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Ziyao Zeng , Jingcheng Ni , Ruyi Liu , Alex Wong

Discrete diffusion models are a class of generative models that produce samples from an approximated data distribution within a discrete state space. Often, there is a need to target specific regions of the data distribution. Current…

机器学习 · 计算机科学 2025-09-03 Cheuk Kit Lee , Paul Jeha , Jes Frellsen , Pietro Lio , Michael Samuel Albergo , Francisco Vargas

We are witnessing rapid progress in automatically generating and manipulating 3D assets due to the availability of pretrained text-image diffusion models. However, time-consuming optimization procedures are required for synthesizing each…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Etai Sella , Gal Fiebelman , Noam Atia , Hadar Averbuch-Elor

Unsupervised clustering of temporal data is both challenging and crucial in machine learning. In this paper, we show that neither traditional clustering methods, time series specific or even deep learning-based alternatives generalise well…

机器学习 · 计算机科学 2020-10-13 Nuno Mota Goncalves , Ioana Giurgiu , Anika Schumann

Time Series Forecasting is at the core of many practical applications such as sales forecasting for business, rainfall forecasting for agriculture and many others. Though this problem has been extensively studied for years, it is still…

机器学习 · 计算机科学 2020-03-23 Anirban Chatterjee , Subhadip Paul , Uddipto Dutta , Smaranya Dey

Synthetic Electronic Health Record (EHR) time-series generation is crucial for advancing clinical machine learning models, as it helps address data scarcity by providing more training data. However, most existing approaches focus primarily…

机器学习 · 计算机科学 2025-04-25 Bowen Deng , Chang Xu , Hao Li , Yuhao Huang , Min Hou , Jiang Bian

Automatic target sound extraction (TSE) is a machine learning approach to mimic the human auditory perception capability of attending to a sound source of interest from a mixture of sources. It often uses a model conditioned on a fixed form…

音频与语音处理 · 电气工程与系统科学 2023-03-16 Chenda Li , Yao Qian , Zhuo Chen , Dongmei Wang , Takuya Yoshioka , Shujie Liu , Yanmin Qian , Michael Zeng

Energy systems modeling frequently relies on time series data, whether observed or forecast. This is particularly the case, for example, in capacity planning models that use hourly production and load data forecast to occur over the coming…

统计计算 · 统计学 2025-02-13 Kelly Wang , Steven O. Kimbrough

The development of text-to-video (T2V), i.e., generating videos with a given text prompt, has been significantly advanced in recent years. However, relying solely on text prompts often results in ambiguous frame composition due to spatial…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Yuwei Guo , Ceyuan Yang , Anyi Rao , Maneesh Agrawala , Dahua Lin , Bo Dai

Humans can easily isolate a single speaker from a complex acoustic environment, a capability referred to as the "Cocktail Party Effect." However, replicating this ability has been a significant challenge in the field of target speaker…

音频与语音处理 · 电气工程与系统科学 2024-10-08 Xiang Hao , Jibin Wu , Jianwei Yu , Chenglin Xu , Kay Chen Tan

Diffusion-based Image Editing has achieved significant success in recent years. However, it remains challenging to achieve high-quality image editing while maintaining the background similarity without sacrificing speed or memory…

图形学 · 计算机科学 2025-09-03 Siyi Liu , Weiming Chen , Yushun Tang , Zhihai He

Time series forecasting has become an increasingly popular research area due to its critical applications in various real-world domains such as traffic management, weather prediction, and financial analysis. Despite significant…

机器学习 · 计算机科学 2024-08-22 Ninghui Feng , Songning Lai , Jiayu Yang , Fobao Zhou , Zhenxiao Yin , Hang Zhao

Diffusion models have shown great promise in data generation, yet generating time series data remains challenging due to the need to capture complex temporal dependencies and structural patterns. In this paper, we present \textit{TSGDiff},…

机器学习 · 计算机科学 2025-11-18 Lifeng Shen , Xuyang Li , Lele Long

Effective multivariate time series forecasting often benefits from accurately modeling complex inter-variable dependencies. However, existing attention- or graph-based methods face three key issues: (a) strong temporal self-dependencies are…

机器学习 · 计算机科学 2025-12-19 Feng Xiong , Zongxia Xie , Yanru Sun , Haoyu Wang , Jianhong Lin

While 2D diffusion models have achieved remarkable success in identity-preserving personalization, extending this capability to 3D assets remains a significant challenge due to the complexities of multi-view consistency and spatial control.…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Jinxin Ai , Matthias Nießner , Ziya Erkoç

This work presents a novel framework for time series analysis using entropic measures based on the kernel density estimate (KDE) of the time series' Takens' embeddings. Using this framework we introduce two distinct analytical tools: (1) a…

Dance plays an important role as an artistic form and expression in human culture, yet automatically generating dance sequences is a significant yet challenging endeavor. Existing approaches often neglect the critical aspect of…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Hongsong Wang , Ying Zhu , Xin Geng , Liang Wang

Diffusion models (DMs) have gained prominence due to their ability to generate high-quality varied images with recent advancements in text-to-image generation. The research focus is now shifting towards the controllability of DMs. A…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Enis Simsar , Alessio Tonioni , Yongqin Xian , Thomas Hofmann , Federico Tombari