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Recent advances in imaging and high-performance computing have made it possible to image the entire human brain at the cellular level. This is the basis to study the multi-scale architecture of the brain regarding its subdivision into brain…

图像与视频处理 · 电气工程与系统科学 2023-11-29 Jan-Oliver Kropp , Christian Schiffer , Katrin Amunts , Timo Dickscheid

Digital correlated double sampling (DCDS), a readout technique for charge-coupled devices (CCD), is gaining popularity in astronomical applications. By using an oversampling ADC and a digital filter, a DCDS system can achieve a better…

Diffusion probabilistic models (DPMs) are a new class of generative models that have achieved state-of-the-art generation quality in various domains. Despite the promise, one major drawback of DPMs is the slow generation speed due to the…

机器学习 · 计算机科学 2023-06-16 Enshu Liu , Xuefei Ning , Zinan Lin , Huazhong Yang , Yu Wang

Currently, most of the research in digital twins focuses on simulation and optimization. Digital twins are especially useful for critical systems. However, digital twins can also be used for safety and cyber security. The idea of this paper…

密码学与安全 · 计算机科学 2022-05-02 Tianyu Zhao , Ernest Foo , Hui Tian

Denoising Diffusion Probabilistic Models (DDPMs) are a very popular class of deep generative model that have been successfully applied to a diverse range of problems including image and video generation, protein and material synthesis,…

This report presents the comprehensive implementation, evaluation, and optimization of Denoising Diffusion Probabilistic Models (DDPMs) and Denoising Diffusion Implicit Models (DDIMs), which are state-of-the-art generative models. During…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Jaineet Shah , Michael Gromis , Rickston Pinto

Strong generative models can accurately learn channel distributions. This could save recurring costs for physical measurements of the channel. Moreover, the resulting differentiable channel model supports training neural encoders by…

信息论 · 计算机科学 2024-06-12 Muah Kim , Rick Fritschek , Rafael F. Schaefer

The Diffusion Probabilistic Model (DPM) has emerged as a highly effective generative model in the field of computer vision. Its intermediate latent vectors offer rich semantic information, making it an attractive option for various…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Haipeng Zhou , Lei Zhu , Yuyin Zhou

In recent years, diffusion models (DMs) have become a popular method for generating synthetic data. By achieving samples of higher quality, they quickly became superior to generative adversarial networks (GANs) and the current…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Denisa Qosja , Simon Wagner , Daniel O'Hagan

Generative AIBIM, a successful structural design pipeline, has proven its ability to intelligently generate high-quality, diverse, and creative shear wall designs that are tailored to specific physical conditions. However, the current…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Zhili He , Yu-Hsing Wang

In this paper, a new detection algorithm is proposed for turbo coded Code Division Multiple Access (CDMA) signals in detect and forward cooperative channels. Use of user cooperation makes much improvement in the performance of CDMA systems.…

信号处理 · 电气工程与系统科学 2018-03-13 Ebrahim Karami

Automating the checkout process is important in smart retail, where users effortlessly pass products by hand through a camera, triggering automatic product detection, tracking, and counting. In this emerging area, due to the lack of…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Yue Yao , Xinyu Tian , Zheng Tang , Sujit Biswas , Huan Lei , Tom Gedeon , Liang Zheng

Medical image segmentation is a challenging task, made more difficult by many datasets' limited size and annotations. Denoising diffusion probabilistic models (DDPM) have recently shown promise in modelling the distribution of natural…

计算机视觉与模式识别 · 计算机科学 2023-11-14 Margherita Rosnati , Melanie Roschewitz , Ben Glocker

Computational fluid dynamics (CFD) is a powerful tool for modeling turbulent flow and is commonly used for urban microclimate simulations. However, traditional CFD methods are computationally intensive, requiring substantial hardware…

流体动力学 · 物理学 2025-01-10 Sepehrdad Tahmasebi , Geng Tian , Shaoxiang Qin , Ahmed Marey , Liangzhu Leon Wang , Saeed Rayegan

The widespread deployment of large vision models such as Stable Diffusion raises significant legal and ethical concerns, as these models can memorize and reproduce copyrighted content without authorization. Existing detection approaches…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Xiafeng Man , Zhipeng Wei , Jingjing Chen

Patients undergoing a mechanical thrombectomy procedure usually have a multi-detector CT (MDCT) scan before and after the intervention. The image quality of the flat panel detector CT (FDCT) present in the intervention room is generally…

图像与视频处理 · 电气工程与系统科学 2025-08-28 Hélène Corbaz , Anh Nguyen , Victor Schulze-Zachau , Paul Friedrich , Alicia Durrer , Florentin Bieder , Philippe C. Cattin , Marios N Psychogios

Denoising Diffusion Probabilistic Models (DDPMs) have emerged as powerful tools for generative modeling. However, their sequential computation requirements lead to significant inference-time bottlenecks. In this work, we utilize the…

机器学习 · 计算机科学 2025-08-08 Hengyuan Hu , Aniket Das , Dorsa Sadigh , Nima Anari

Contrast pattern mining (CPM) aims to discover patterns whose support increases significantly from a background dataset compared to a target dataset. CPM is particularly useful for characterising changes in evolving systems, e.g., in…

网络与互联网体系结构 · 计算机科学 2020-12-01 Elaheh AlipourChavary , Sarah M. Erfani , Christopher Leckie

Digital twin (DT) technologies have emerged as a solution for real-time data-driven modeling of cyber physical systems (CPS) using the vast amount of data available by Internet of Things (IoT) networks. In this position paper, we elucidate…

网络与互联网体系结构 · 计算机科学 2022-04-12 Jithin Jagannath , Keyvan Ramezanpour , Anu Jagannath

Digital Twin (DT) technology revolutionizes industrial processes by enabling the representation of physical entities and their dynamics to enhance productivity and operational efficiency. It has emerged as a vital enabling technology in the…

网络与互联网体系结构 · 计算机科学 2026-02-02 Eduardo Freitas , Assis T. de Oliveira Filho , Pedro R. X. do Carmo , Djamel Sadok , Judith Kelner