Results 1 to 10 of about 2,054,434 (283)

Efficient Rank-Based Diffusion Process with Assured Convergence [PDF]

Journal of Imaging, 2021
Visual features and representation learning strategies experienced huge advances in the previous decade, mainly supported by deep learning approaches.
Daniel Carlos Guimarães Pedronette, Lucas Pascotti Valem, Longin Jan Latecki   +2 more
doaj   +2 more sources

Voltage-controlled magnetoelectric devices for neuromorphic diffusion process [PDF]

Nature Communications
Neuromorphic diffusion models have become one of the major breakthroughs in the field of generative artificial intelligence. Unlike discriminative models that have been well developed to tackle classification or regression tasks, diffusion models aim at ...
Yang Cheng, Qingyuan Shu, Albert Lee, Haoran He, Ivy Zhu, Minzhang Chen, Renhe Chen, Zirui Wang, Hantao Zhang, Chih-Yao Wang, Shan-Yi Yang, Yu-Chen Hsin, Cheng-Yi Shih, Hsin-Han Lee, Ran Cheng, Kang L. Wang   +15 more
doaj   +2 more sources

Graph Regularized Hierarchical Diffusion Process With Relevance Feedback for Medical Image Retrieval

IEEE Access, 2021
Befitting from the interpretability and the capacity in capturing the underlying manifold structure, diffusion process (DP) has attracted increasing attention in the field of image retrieval.
Liming Xu, Xiaopeng Yao, Lisha Zhong, Jianbo Lei, Zhiwei Huang   +4 more
doaj   +1 more source

Discretized Diffusion Processes [PDF]

Physical Review Letters, 2000
4 pages 5 figure, to be published in ...
Ciliberti S., Caldarelli G., De Los Rios P., Pietronero L., Zhang Y. -C.   +4 more
openaire   +5 more sources

Echoes and glimpses of a distant drum [PDF]

Opuscula Mathematica, 2020
To what extent does the spectrum of the Laplacian operator on a domain \(D\) with prescribed boundary conditions determine its shape? This paper first retraces the history of this problem, then Kac's approach in terms of a diffusion process with ...
John Wm. Turner
doaj   +1 more source

A Nonlocal Fractional Peridynamic Diffusion Model

Fractal and Fractional, 2021
This paper proposes a nonlocal fractional peridynamic (FPD) model to characterize the nonlocality of physical processes or systems, based on analysis with the fractional derivative model (FDM) and the peridynamic (PD) model.
Yuanyuan Wang, HongGuang Sun, Siyuan Fan, Yan Gu, Xiangnan Yu   +4 more
doaj   +1 more source

Indirect interactions influence contact network structure and diffusion dynamics [PDF]

Royal Society Open Science, 2019
Interaction patterns at the individual level influence the behaviour of diffusion over contact networks. Most of the current diffusion models only consider direct interactions, capable of transferring infectious items among individuals, to build ...
Md Shahzamal, Raja Jurdak, Bernard Mans, Frank de Hoog   +3 more
doaj   +1 more source

Simulating Portfolio Decisions under Uncertainty When the Risky Asset and Short Rate Are Modulated by an Inhomogeneous and Asset-Dependent Markov Chain

Mathematics, 2022
This paper aims to simulate portfolio decisions under uncertainty when the diffusion parameters of the risky asset and short rate paid for a bond are both modulated by a time-inhomogeneous Markov chain, with transition probabilities dependent on states ...
Benjamín Vallejo-Jiménez, Francisco Venegas-Martínez, Oscar V. De la Torre-Torres, José Álvarez-García   +3 more
doaj   +1 more source

Internet diffusion process in rural tourism: Galician case [PDF]

Dos Algarves, 2015
The aim of this paper is to research the characteristics of the adoption and implementation of utilities provided by Internet in rural tourism establishments from a representative sample of Galicia.
M.I. Diéguez-Castrillón
doaj   +1 more source

Asymptotic Diffusion Analysis of Multi-Server Retrial Queue with Hyper-Exponential Service

Mathematics, 2020
A multi-server retrial queue with a hyper-exponential service time is considered in this paper. The study is performed by the method of asymptotic diffusion analysis under the condition of long delay in orbit.
Alexander Moiseev, Anatoly Nazarov, Svetlana Paul   +2 more
doaj   +1 more source