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We introduce a tempering approach with stochastic density functional theory (sDFT), labeled t-sDFT, which reduces the statistical errors in the estimates of observable expectation values. This is achieved by rewriting the electronic density…

计算物理 · 物理学 2021-12-15 Minh Nguyen , Wenfei Li , Yangtao Li , Roi Baer , Eran Rabani , Daniel Neuhauser

Recent advances in text-to-video diffusion models have enabled high-quality video synthesis, but controllable generation remains challenging, particularly under limited data and compute. Existing fine-tuning methods for conditional…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Kinam Kim , Junha Hyung , Jaegul Choo

Recent advances in talking face generation have significantly improved facial animation synthesis. However, existing approaches face fundamental limitations: 3DMM-based methods maintain temporal consistency but lack fine-grained regional…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Kangwei Liu , Junwu Liu , Yun Cao , Jinlin Guo , Xiaowei Yi

Diffusion models have achieved state-of-the-art performance in generative modeling tasks across various domains. Prior works on time series diffusion models have primarily focused on developing conditional models tailored to specific…

Infrared and visible image fusion (IVIF) is essential for integrating thermal saliency with textural details to support downstream perception. However, most existing approaches suffer from "semantic blindness," leading to the erroneous…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Xiaoyang Zhang , jinjiang Li , Guodong Fan , Yakun Ju , Linwei Fan , Jun Liu , Alex C. Kot

The task of deducing three-dimensional molecular configurations from their two-dimensional graph representations holds paramount importance in the fields of computational chemistry and pharmaceutical development. The rapid advancement of…

生物大分子 · 定量生物学 2025-01-09 Bobin Yang , Jie Deng , Zhenghan Chen , Ruoxue Wu

Medical image segmentation suffers from data scarcity, particularly in polyp detection where annotation requires specialized expertise. We present SynDiff, a framework combining text-guided synthetic data generation with efficient…

图像与视频处理 · 电气工程与系统科学 2025-07-22 Muhammad Aqeel , Maham Nazir , Zanxi Ruan , Francesco Setti

Generative models, such as GANs and diffusion models, have been used to augment training sets and boost performances in different tasks. We focus on generative models for cell detection instead, i.e., locating and classifying cells in given…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Chen Li , Xiaoling Hu , Shahira Abousamra , Meilong Xu , Chao Chen

This paper introduces a novel, robust, and computationally efficient framework for high-quality quadrilateral mesh generation on general two-dimensional domains. The core of the proposed approach is a novel method for computing cross fields…

数值分析 · 数学 2026-05-28 Jingwen Dai , Zhonghua Qiao , Dong Wang

We study an ensemble of random walkers carrying internal noisy phase oscillators which are synchronized among the walkers by local interactions. Due to individual mobility, the interaction partners of every walker change randomly, hereby…

统计力学 · 物理学 2016-05-04 Robert Großmann , Fernando Peruani , Markus Bär

Recent innovations in diffusion probabilistic models have paved the way for significant progress in image, text and audio generation, leading to their applications in generative time series forecasting. However, leveraging such abilities to…

机器学习 · 计算机科学 2025-11-07 Yuansan Liu , Sudanthi Wijewickrema , Dongting Hu , Christofer Bester , Stephen O'Leary , James Bailey

Diffusion models have recently shown promise in time series forecasting, particularly for probabilistic predictions. However, they often fail to achieve state-of-the-art point estimation performance compared to regression-based methods.…

人工智能 · 计算机科学 2025-11-25 Hang Ding , Xue Wang , Tian Zhou , Tao Yao

We present DiffInDScene, a novel framework for tackling the problem of high-quality 3D indoor scene generation, which is challenging due to the complexity and diversity of the indoor scene geometry. Although diffusion-based generative…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Xiaoliang Ju , Zhaoyang Huang , Yijin Li , Guofeng Zhang , Yu Qiao , Hongsheng Li

Recent work has framed decision-making as a sequence modeling problem using generative models such as diffusion models. Although promising, these approaches often overlook latent factors that exhibit evolving dynamics, elements that are…

机器学习 · 计算机科学 2026-05-18 Fan Feng , Selena Ge , Minghao Fu , Zijian Li , Yujia Zheng , Zeyu Tang , Yingyao Hu , Biwei Huang , Kun Zhang

Molecule generation is a very important practical problem, with uses in drug discovery and material design, and AI methods promise to provide useful solutions. However, existing methods for molecule generation focus either on 2D graph…

机器学习 · 计算机科学 2024-02-07 Chenqing Hua , Sitao Luan , Minkai Xu , Rex Ying , Jie Fu , Stefano Ermon , Doina Precup

Diffusion Transformers (DiT) have emerged as a widely adopted backbone for high-fidelity image and video generation, yet their iterative denoising process incurs high computational costs. Existing training-free acceleration methods rely on…

计算机视觉与模式识别 · 计算机科学 2026-02-23 Hanshuai Cui , Zhiqing Tang , Qianli Ma , Zhi Yao , Weijia Jia

Generative diffusion priors have recently achieved state-of-the-art performance in natural image super-resolution, demonstrating a powerful capability to synthesize photorealistic details. However, their direct application to remote sensing…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Enzhuo Zhang , Sijie Zhao , Dilxat Muhtar , Zhenshi Li , Xueliang Zhang , Pengfeng Xiao

Time-of-flight (ToF) devices have greatly propelled the advancement of various multi-modal perception applications. However, achieving accurate rendering of time-resolved information remains a challenge, particularly in scenes involving…

图形学 · 计算机科学 2024-06-17 Qianyue He , Dongyu Du , Haitian Jiang , Xin Jin

In the field of sketch generation, raster-format trained models often produce non-stroke artifacts, while vector-format trained models typically lack a holistic understanding of sketches, leading to compromised recognizability. Moreover,…

图形学 · 计算机科学 2025-11-19 Jin Zhou , Yi Zhou , Hongliang Yang , Pengfei Xu , Hui Huang

Recent advancements in controllable text-to-image (T2I) diffusion models, such as Ctrl-X and FreeControl, have demonstrated robust spatial and appearance control without requiring auxiliary module training. However, these models often…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Jiwon Kim , Pureum Kim , SeonHwa Kim , Soobin Park , Eunju Cha , Kyong Hwan Jin