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相关论文: Dynamical Hyperspectral Unmixing with Variational …

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High-dimensional tensor models are notoriously computationally expensive to train. We present a meta-learning algorithm, MMT, that can significantly speed up the process for spatial tensor models. MMT leverages the property that spatial…

机器学习 · 计算机科学 2018-03-01 Stephan Zheng , Rose Yu , Yisong Yue

So far, the problem of unmixing large or multitemporal hyperspectral datasets has been specifically addressed in the remote sensing literature only by a few dedicated strategies. Among them, some attempts have been made within a distributed…

图像与视频处理 · 电气工程与系统科学 2018-10-22 Pierre-Antoine Thouvenin , Nicolas Dobigeon , Jean-Yves Tourneret

Hyperspectral object tracking using snapshot mosaic cameras is emerging as it provides enhanced spectral information alongside spatial data, contributing to a more comprehensive understanding of material properties. Using transformers,…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Shaheer Mohamed , Tharindu Fernando , Sridha Sridharan , Peyman Moghadam , Clinton Fookes

This paper details how to parameterize the posterior distribution of state-space systems to generate improved optimization problems for system identification using variational inference. Three different parameterizations of the assumed…

应用统计 · 统计学 2025-01-15 Dimas Abreu Archanjo Dutra

Stochastic microstructure reconstruction has become an indispensable part of computational materials science, but ongoing developments are specific to particular material systems. In this paper, we address this generality problem by…

材料科学 · 物理学 2018-05-09 Xiaolin Li , Yichi Zhang , He Zhao , Craig Burkhart , L Catherine Brinson , Wei Chen

Mixup linearly interpolates pairs of examples to form new samples, which is easy to implement and has been shown to be effective in image classification tasks. However, there are two drawbacks in mixup: one is that more training epochs are…

计算机视觉与模式识别 · 计算机科学 2021-01-13 Hao Yu , Huanyu Wang , Jianxin Wu

We propose a deep network that can be trained to tackle image reconstruction and classification problems that involve detection of multiple object instances, without any supervision regarding their whereabouts. The network learns to extract…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Baptiste Angles , Yuhe Jin , Simon Kornblith , Andrea Tagliasacchi , Kwang Moo Yi

Generating multi-contrasts/modal MRI of the same anatomy enriches diagnostic information but is limited in practice due to excessive data acquisition time. In this paper, we propose a novel deep-learning model for joint reconstruction and…

图像与视频处理 · 电气工程与系统科学 2022-06-30 Wanyu Bian , Qingchao Zhang , Xiaojing Ye , Yunmei Chen

Extracting reference spectra, or endmembers (EMs) from a given multi- or hyperspectral image, as well as estimating the size of the EM set, plays an important role in multispectral image processing. In this paper, we present…

计算机视觉与模式识别 · 计算机科学 2018-09-27 Christoph Schikora , Markus Plack , Andreas Kolb

Image fusion combines data from different heterogeneous sources to obtain more precise information about an underlying scene. Hyperspectral-multispectral (HS-MS) image fusion is currently attracting great interest in remote sensing since it…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Ricardo Augusto Borsoi , Tales Imbiriba , José Carlos Moreira Bermudez

In this paper, we develop a finite mixture of convolutional distributions, a statistical model to analyze continuous data distributed approximately on a mixture of low-dimensional affine subspaces. The observations are assumed independent…

统计理论 · 数学 2026-04-21 Sunrit Chakraborty , XuanLong Nguyen

In this article, we introduce a new variable selection technique through trimming for finite mixture of regression models. Compared to the traditional variable selection techniques, the new method is robust and not sensitive to outliers.…

统计方法学 · 统计学 2019-05-06 Sijia Xiang , Weixin Yao

We present a Bayesian non-parametric way of inferring stochastic differential equations for both regression tasks and continuous-time dynamical modelling. The work has high emphasis on the stochastic part of the differential equation, also…

机器学习 · 统计学 2020-06-29 Martin Jørgensen , Marc Peter Deisenroth , Hugh Salimbeni

3D object reconstruction is important for semantic scene understanding. It is challenging to reconstruct detailed 3D shapes from monocular images directly due to a lack of depth information, occlusion and noise. Most current methods…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Ziwei Liao , Steven L. Waslander

Hyperspectral unmixing (HU) is a critical yet challenging task in remote sensing. However, existing nonnegative matrix factorization (NMF) methods with graph learning mostly focus on first-order or second-order nearest neighbor…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Hui Chen , Liangyu Liu , Xianchao Xiu , Wanquan Liu

Unmixing is a fundamental process in hyperspectral image processing in which the materials present in a mixed pixel are determined based on the spectra of candidate materials and the pixel spectrum. Practical and general utility requires a…

图像与视频处理 · 电气工程与系统科学 2025-03-24 Jade Preston , William Basener

Randomized neural networks for representation learning have consistently achieved prominent results in texture recognition tasks, effectively combining the advantages of both traditional techniques and learning-based approaches. However,…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Ricardo T. Fares , Lucas C. Ribas

Predicting smartphone users location with WiFi fingerprints has been a popular research topic recently. In this work, we propose two novel deep learning-based models, the convolutional mixture density recurrent neural network and the…

机器学习 · 计算机科学 2021-03-17 Weizhu Qian , Fabrice Lauri , Franck Gechter

In this paper, we use augmented the hierarchical latent variable model to model multi-period time series, where the dynamics of time series are governed by factors or trends in multiple periods. Previous methods based on stacked recurrent…

神经与进化计算 · 计算机科学 2018-10-25 Daniel Hsu

Hyperspectral imaging (HSI) provides rich spatial-spectral information but remains costly to acquire due to hardware limitations and the difficulty of reconstructing three-dimensional data from compressed measurements. Although compressive…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Yi Ai , Yuanhao Cai , Yulun Zhang , Xiaokang Yang