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In this work, we propose a novel framework to enable diffusion models to adapt their generation quality based on real-time network bandwidth constraints. Traditional diffusion models produce high-fidelity images by performing a fixed number…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Xi Zhang , Hanwei Zhu , Yan Zhong , Jiamang Wang , Weisi Lin

In medical imaging, 4D MRI enables dynamic 3D visualization, yet the trade-off between spatial and temporal resolution requires prolonged scan time that can compromise temporal fidelity--especially during rapid, large-amplitude motion.…

Image and Video Processing · Electrical Eng. & Systems 2025-06-10 Xuanru Zhou , Jiarun Liu , Shoujun Yu , Hao Yang , Cheng Li , Tao Tan , Shanshan Wang

4D radar super-resolution, which aims to reconstruct sparse and noisy point clouds into dense and geometrically consistent representations, is a foundational problem in autonomous perception. However, existing methods often suffer from high…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Minqing Huang , Shouyi Lu , Boyuan Zheng , Ziyao Li , Xiao Tang , Guirong Zhuo

Urbanization advances at unprecedented rates, leading to negative environmental and societal impacts. Remote sensing can help mitigate these effects by supporting sustainable development strategies with accurate information on urban growth.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Sebastian Hafner , Heng Fang , Hossein Azizpour , Yifang Ban

Flood prediction is critical for emergency planning and response to mitigate human and economic losses. Traditional physics-based hydrodynamic models generate high-resolution flood maps using numerical methods requiring fine-grid…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Sun Han Neo , Sachith Seneviratne , Herath Mudiyanselage Viraj Vidura Herath , Abhishek Saha , Sanka Rasnayaka , Lucy Amanda Marshall

Diffusion probability models have shown significant promise in offline reinforcement learning by directly modeling trajectory sequences. However, existing approaches primarily focus on time-domain features while overlooking frequency-domain…

Machine Learning · Computer Science 2025-09-25 Yifu Luo , Yongzhe Chang , Xueqian Wang

Remote sensing change detection is often challenged by spatial misalignment between bi-temporal images, especially when acquisitions are separated by long seasonal or multi-year gaps. While modern convolutional and transformer-based models…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Seyedehanita Madani , Vishal M. Patel

Conventional microwave imaging schemes, enabled by the ubiquity of coherent sources and detectors, have traditionally relied on frequency bandwidth to retrieve range information, while using mechanical or electronic beamsteering to obtain…

Optical-flow-based and kernel-based approaches have been extensively explored for temporal compensation in satellite Video Super-Resolution (VSR). However, these techniques are less generalized in large-scale or complex scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Yi Xiao , Qiangqiang Yuan , Kui Jiang , Xianyu Jin , Jiang He , Liangpei Zhang , Chia-Wen Lin

Magnetic Resonance Imaging (MRI) offers critical insights into microstructural details, however, the spatial resolution of standard 1.5T imaging systems is often limited. In contrast, 7T MRI provides significantly enhanced spatial…

Image and Video Processing · Electrical Eng. & Systems 2025-02-03 Zhe Wang , Yuhua Ru , Fabian Bauer , Aladine Chetouani , Fang Chen , Liping Zhang , Didier Hans , Rachid Jennane , Mohamed Jarraya , Yung Hsin Chen

High-quality observations of hub-height winds are valuable but sparse in space and time. Simulations are widely available on regular grids but are generally biased and too coarse to inform wind-farm siting or to assess…

Machine Learning · Computer Science 2025-10-07 Xiaolong Ma , Xu Dong , Ashley Tarrant , Lei Yang , Rao Kotamarthi , Jiali Wang , Feng Yan , Rajkumar Kettimuthu

Time series foundation models (TSFMs) require diverse, real-world datasets to adapt across varying domains and temporal frequencies. However, current large-scale datasets predominantly focus on low-frequency time series with sampling…

Machine Learning · Computer Science 2026-04-22 Subina Khanal , Seshu Tirupathi , Merim Dzaferagic , Marco Ruffini , Torben Bach Pedersen

Recent advances in tuning-free personalized image generation based on diffusion models are impressive. However, to improve subject fidelity, existing methods either retrain the diffusion model or infuse it with dense visual embeddings, both…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Zhichao Wei , Qingkun Su , Long Qin , Weizhi Wang

Satellite missions provide valuable optical data for monitoring rivers at diverse spatial and temporal scales. However, accessibility remains a challenge: high-resolution imagery is ideal for fine-grained monitoring but is typically scarce…

Image and Video Processing · Electrical Eng. & Systems 2025-11-14 Rangel Daroya , Subhransu Maji

With the advancement of meteorological instruments, abundant data has become available. Current approaches are typically focus on single-variable, single-region tasks and primarily rely on deterministic modeling. This limits unified…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Kaiyi Xu , Junchao Gong , Zhiwang Zhou , Zhangrui Li , Yuandong Pu , Yihao Liu , Ben Fei , Fenghua Ling , Wenlong Zhang , Lei Bai

Super-resolution (SR) aims to enhance the quality of low-resolution images and has been widely applied in medical imaging. We found that the design principles of most existing methods are influenced by SR tasks based on real-world images…

Image and Video Processing · Electrical Eng. & Systems 2025-11-14 Feiyang Jia , Zhineng Chen , Ziying Song , Lin Liu , Caiyan Jia

Diffusion models have emerged as potential tools to tackle the challenge of sparse-view CT reconstruction, displaying superior performance compared to conventional methods. Nevertheless, these prevailing diffusion models predominantly focus…

Image and Video Processing · Electrical Eng. & Systems 2023-09-06 Kai Xu , Shiyu Lu , Bin Huang , Weiwen Wu , Qiegen Liu

Diffusion models are highly regarded for their controllability and the diversity of images they generate. However, class-conditional generation methods based on diffusion models often focus on more common categories. In large-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Kun Wang , Donglin Di , Tonghua Su , Lei Fan

This paper introduces $\infty$-Diff, a generative diffusion model defined in an infinite-dimensional Hilbert space, which can model infinite resolution data. By training on randomly sampled subsets of coordinates and denoising content only…

Machine Learning · Computer Science 2024-03-04 Sam Bond-Taylor , Chris G. Willcocks

In this paper, we propose LSRNA, a novel framework for higher-resolution (exceeding 1K) image generation using diffusion models by leveraging super-resolution directly in the latent space. Existing diffusion models struggle with scaling…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Jinho Jeong , Sangmin Han , Jinwoo Kim , Seon Joo Kim