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It is a key to construct a similarity graph in graph-oriented subspace learning and clustering. In a similarity graph, each vertex denotes a data point and the edge weight represents the similarity between two points. There are two popular…

机器学习 · 计算机科学 2017-05-17 Liangli Zhen , Zhang Yi , Xi Peng , Dezhong Peng

In this paper, we propose a novel approach to the rank minimization problem, termed rank residual constraint (RRC) model. Different from existing low-rank based approaches, such as the well-known nuclear norm minimization (NNM) and the…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Zhiyuan Zha , Xin Yuan , Bihan Wen , Jiantao Zhou , Jiachao Zhang , Ce Zhu

This paper proposes a novel architecture, termed multiscale principle of relevant information (MPRI), to learn discriminative spectral-spatial features for hyperspectral image (HSI) classification. MPRI inherits the merits of the principle…

机器学习 · 计算机科学 2021-06-08 Yantao Wei , Shujian Yu , Luis Sanchez Giraldo , Jose C. Principe

For the high dimensional data representation, nonnegative tensor ring (NTR) decomposition equipped with manifold learning has become a promising model to exploit the multi-dimensional structure and extract the feature from tensor data.…

机器学习 · 计算机科学 2021-09-07 Xinhai Zhao , Yuyuan Yu , Guoxu Zhou , Qibin Zhao , Weijun Sun

Single image super resolution (SR), which refers to reconstruct a higher-resolution (HR) image from the observed low-resolution (LR) image, has received substantial attention due to its tremendous application potentials. Despite the…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Yukai Shi , Keze Wang , Chongyu Chen , Li Xu , Liang Lin

With the rapid development of deep learning technology and improvement in computing capability, deep learning has been widely used in the field of hyperspectral image (HSI) classification. In general, deep learning models often contain many…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Sen Jia , Shuguo Jiang , Zhijie Lin , Nanying Li , Meng Xu , Shiqi Yu

Recently, deep neural networks have achieved impressive performance in terms of both reconstruction accuracy and efficiency for single image super-resolution (SISR). However, the network model of these methods is a fully convolutional…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Yongliang Tang , Jiashui Huang , Faen Zhang , Weiguo Gong

Recently, machine learning based single image super resolution (SR) approaches focus on jointly learning representations for high-resolution (HR) and low-resolution (LR) image patch pairs to improve the quality of the super-resolved images.…

计算机视觉与模式识别 · 计算机科学 2016-07-26 Yukai Shi , Keze Wang , Li Xu , Liang Lin

Hyperspectral images~(HSIs) are often contaminated by a mixture of noise such as Gaussian noise, dead lines, stripes, and so on. In this paper, we propose a multi-scale low-rank tensor regularized $\ell_{2,p}$ (MLTL2p) approach for HSI…

最优化与控制 · 数学 2025-07-25 Xiaoxia Liu , Shijie Yu , Jian Lu , Xiaojun Chen

Remote sensing is a technology to acquire data for disatant substances, necessary to construct a model knowledge for applications as classification. Recently Hyperspectral Images (HSI) becomes a high technical tool that the main goal is to…

计算机视觉与模式识别 · 计算机科学 2012-12-19 ELkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

This paper tackles the challenging problem of hyperspectral (HS) image denoising. Unlike existing deep learning-based methods usually adopting complicated network architectures or empirically stacking off-the-shelf modules to pursue…

图像与视频处理 · 电气工程与系统科学 2022-07-12 Jinhui Hou , Zhiyu Zhu , Hui Liu , Junhui Hou

Displaying the large number of bands in a hyper- spectral image (HSI) on a trichromatic monitor is important for HSI processing and analysis system. The visualized image shall convey as much information as possible from the original HSI and…

计算机视觉与模式识别 · 计算机科学 2017-12-06 Danping Liao , Yuntao Qian , Yuan Yan Tang

We describe an approach to learning rich representations for images, that enables simple and effective predictors in a range of vision tasks involving spatially structured maps. Our key idea is to map small image elements to feature…

计算机视觉与模式识别 · 计算机科学 2019-09-02 Mohammadreza Mostajabi

Synthetic hyperspectral image (HSI) generation is essential for large-scale simulation, algorithm development, and mission design, yet traditional radiative transfer models remain computationally expensive and often limited to…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Chedly Ben Azizi , Claire Guilloteau , Gilles Roussel , Matthieu Puigt

Recently, a variety of approaches has been enriching the field of Remote Sensing (RS) image processing and analysis. Unfortunately, existing methods remain limited faced to the rich spatio-spectral content of today's large datasets. It…

计算机视觉与模式识别 · 计算机科学 2018-08-15 Amina Ben Hamida , A Benoit , Patrick Lambert , Chokri Ben Amar

Low-rank structures play important role in recent advances of many problems in image science and data science. As a natural extension of low-rank structures for data with nonlinear structures, the concept of the low-dimensional manifold…

计算机视觉与模式识别 · 计算机科学 2017-02-10 Rongjie Lai , Jia Li

Hyperspectral images, which store a hundred or more spectral bands of reflectance, have become an important data source in natural and social sciences. Hyperspectral images are often generated in large quantities at a relatively coarse…

计算机视觉与模式识别 · 计算机科学 2022-04-29 Kangning Cui , Ruoning Li , Sam L. Polk , James M. Murphy , Robert J. Plemmons , Raymond H. Chan

In this paper, a novel unsupervised low-rank representation model, i.e., Auto-weighted Low-Rank Representation (ALRR), is proposed to construct a more favorable similarity graph (SG) for clustering. In particular, ALRR enhances the…

机器学习 · 计算机科学 2021-04-27 Zhiqiang Fu , Yao Zhao , Dongxia Chang , Xingxing Zhang , Yiming Wang

When a high-resolution (HR) image is degraded into a low-resolution (LR) image, the image loses some of the existing information. Consequently, multiple HR images can correspond to the LR image. Most of the existing methods do not consider…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Hanbyel Cho , Yekang Lee , Jaemyung Yu , Junmo Kim

Hyperspectral remote sensing images (HSIs) usually have high spectral resolution and low spatial resolution. Conversely, multispectral images (MSIs) usually have low spectral and high spatial resolutions. The problem of inferring images…

计算机视觉与模式识别 · 计算机科学 2015-06-23 Miguel Simões , José Bioucas-Dias , Luis B. Almeida , Jocelyn Chanussot