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Diffusion-based voxel prior modelling is challenging for the reconstruction of large-scale 3D porous microstructures. Due to the demanding requirements for simultaneously modelling both the continuous pore morphology and the discrete…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Yue Shi , Peng Wang , Mingzhe Yu , Yunlong Zhao , Li Liu , Gareth D Hatton , Yan Lyu , Liangxiu Han

Diffusion models have shown remarkable results for image generation, editing and inpainting. Recent works explore diffusion models for 3D shape generation with neural implicit functions, i.e., signed distance function and occupancy…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Junsheng Zhou , Weiqi Zhang , Baorui Ma , Kanle Shi , Yu-Shen Liu , Zhizhong Han

Accurately translating medical images between different modalities, such as Computed Tomography (CT) to Magnetic Resonance Imaging (MRI), has numerous downstream clinical and machine learning applications. While several methods have been…

图像与视频处理 · 电气工程与系统科学 2025-12-03 Yuwen Chen , Nicholas Konz , Hanxue Gu , Haoyu Dong , Yaqian Chen , Lin Li , Jisoo Lee , Maciej A. Mazurowski

It has been shown that geometrical, structural properties vary along the length of the aortic arch. There is a scarcity of studies focus on the variation in the vessel wall thickness of aortic arch. The central premise of this study is that…

组织与器官 · 定量生物学 2018-06-21 Xiaochang Leng , Xingjian Liu , Will Toress , Tarek Shazly

Cardiovascular diseases are among the most important causes of global mortality. Computational Fluid Dynamics (CFD) is a powerful research tool that analyzes the hemodynamics of artery and blood flow patterns. In this study, CFD simulations…

流体动力学 · 物理学 2023-09-12 Osman Aycan , Adnan Topuz , Lyes Kadem

Diffusion models are important in tissue engineering as they enable an understanding of molecular delivery to cells in tissue constructs. As three-dimensional (3D) tissue constructs become larger, more intricate, and more clinically…

组织与器官 · 定量生物学 2015-12-22 Richard J. McMurtrey

Diffusion models have become a leading approach for high-fidelity medical image synthesis. However, most existing methods for 3D medical image generation rely on convolutional U-Net backbones within latent diffusion frameworks. While…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Marvin Seyfarth , Salman Ul Hassan Dar , Yannik Frisch , Philipp Wild , Norbert Frey , Florian André , Sandy Engelhardt

Latent diffusion models (LDMs) have recently achieved strong performance in 3D medical image synthesis. However, modalities like cine cardiac MRI (CMR), representing a temporally synchronized 3D volume across the cardiac cycle, add an…

Generating physically plausible human motion is crucial for applications such as character animation and virtual reality. Existing approaches often incorporate a simulator-based motion projection layer to the diffusion process to enforce…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Akihisa Watanabe , Jiawei Ren , Li Siyao , Yichen Peng , Erwin Wu , Edgar Simo-Serra

The generation of medical images presents significant challenges due to their high-resolution and three-dimensional nature. Existing methods often yield suboptimal performance in generating high-quality 3D medical images, and there is…

图像与视频处理 · 电气工程与系统科学 2025-12-02 Haoshen Wang , Zhentao Liu , Kaicong Sun , Xiaodong Wang , Dinggang Shen , Zhiming Cui

Virtual interventions enable the physics-based simulation of device deployment within coronary arteries. This framework allows for counterfactual reasoning by deploying the same device in different arterial anatomies. However, current…

图像与视频处理 · 电气工程与系统科学 2025-11-26 Karim Kadry , Shreya Gupta , Jonas Sogbadji , Michiel Schaap , Kersten Petersen , Takuya Mizukami , Carlos Collet , Farhad R. Nezami , Elazer R. Edelman

Diffusion MRI (dMRI) is an important neuroimaging technique with high acquisition costs. Deep learning approaches have been used to enhance dMRI and predict diffusion biomarkers through undersampled dMRI. To generate more comprehensive raw…

图像与视频处理 · 电气工程与系统科学 2024-07-11 Juanhua Zhang , Ruodan Yan , Alessandro Perelli , Xi Chen , Chao Li

Deep MRI reconstruction is commonly performed with conditional models that de-alias undersampled acquisitions to recover images consistent with fully-sampled data. Since conditional models are trained with knowledge of the imaging operator,…

图像与视频处理 · 电气工程与系统科学 2023-09-19 Alper Güngör , Salman UH Dar , Şaban Öztürk , Yilmaz Korkmaz , Gokberk Elmas , Muzaffer Özbey , Tolga Çukur

Existing autoregressive (AR) methods for generating artist-designed meshes struggle to balance global structural consistency with high-fidelity local details, and are susceptible to error accumulation. To address this, we propose…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Yichen Yang , Hong Li , Haodong Zhu , Linin Yang , Guojun Lei , Sheng Xu , Baochang Zhang

We introduce PolyDiff, the first diffusion-based approach capable of directly generating realistic and diverse 3D polygonal meshes. In contrast to methods that use alternate 3D shape representations (e.g. implicit representations), our…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Antonio Alliegro , Yawar Siddiqui , Tatiana Tommasi , Matthias Nießner

This work introduces a new latent diffusion model to generate high-quality 3D chest CT scans conditioned on 3D anatomical masks. The method synthesizes volumetric images of size 256x256x256 at 1 mm isotropic resolution using a single…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Anna Oliveras , Roger Marí , Rafael Redondo , Oriol Guardià , Ana Tost , Bhalaji Nagarajan , Carolina Migliorelli , Vicent Ribas , Petia Radeva

Collaborative 3D object detection holds significant importance in the field of autonomous driving, as it greatly enhances the perception capabilities of each individual agent by facilitating information exchange among multiple agents.…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Zhe Huang , Shuo Wang , Yongcai Wang , Lei Wang

Accurate geometric modeling of the aortic valve from 3D CT images is essential for biomechanical analysis and patient-specific simulations to assess valve health or make a preoperative plan. However, it remains challenging to generate…

图像与视频处理 · 电气工程与系统科学 2025-11-07 Linchen Qian , Jiasong Chen , Ruonan Gong , Wei Sun , Minliang Liu , Liang Liang

Diffusion probabilistic model (DPM) recently becomes one of the hottest topic in computer vision. Its image generation application such as Imagen, Latent Diffusion Models and Stable Diffusion have shown impressive generation capabilities,…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Junde Wu , Rao Fu , Huihui Fang , Yu Zhang , Yehui Yang , Haoyi Xiong , Huiying Liu , Yanwu Xu

Computational fluid dynamics (CFD) provides high-fidelity simulations of fluid flows but remains computationally expensive for many-query applications. In recent years deep learning (DL) has been used to construct data-driven fluid-dynamic…

机器学习 · 计算机科学 2026-04-13 David Ramos , Lucas Lacasa , Fermín Gutiérrez , Eusebio Valero , Gonzalo Rubio