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Spectral clustering is a celebrated algorithm that partitions objects based on pairwise similarity information. While this approach has been successfully applied to a variety of domains, it comes with limitations. The reason is that there…

统计理论 · 数学 2018-05-24 Kwangjun Ahn , Kangwook Lee , Changho Suh

Traditional clustering methods often perform clustering with low-level indiscriminative representations and ignore relationships between patterns, resulting in slight achievements in the era of deep learning. To handle this problem, we…

机器学习 · 计算机科学 2019-05-07 Jianlong Chang , Yiwen Guo , Lingfeng Wang , Gaofeng Meng , Shiming Xiang , Chunhong Pan

Deep clustering has shown its promising capability in joint representation learning and clustering via deep neural networks. Despite the significant progress, the existing deep clustering works mostly utilize some distribution-based…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Yuankun Xu , Dong Huang , Chang-Dong Wang , Jian-Huang Lai

Hyperspectral images (HSI) have become popular for analysing remotely sensed images in multiple domain like agriculture, medical. However, existing models struggle with complex relationships and characteristics of spectral-spatial data due…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Neetu Sigger , Tuan Thanh Nguyen , Gianluca Tozzi , Quoc-Tuan Vien , Sinh Van Nguyen

Visual discrimination of clinical tissue types remains challenging, with traditional RGB imaging providing limited contrast for such tasks. Hyperspectral imaging (HSI) is a promising technology providing rich spectral information that can…

图像与视频处理 · 电气工程与系统科学 2023-03-16 Luis C. Garcia-Peraza-Herrera , Conor Horgan , Sebastien Ourselin , Michael Ebner , Tom Vercauteren

Hyperspectral imaging (HSI) shows great promise for surgical applications, offering detailed insights into biological tissue differences beyond what the naked eye can perceive. Refined labelling efforts are underway to train vision systems…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Junwen Wang , Oscar Maccormac , William Rochford , Aaron Kujawa , Jonathan Shapey , Tom Vercauteren

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

Existing deep embedding clustering works only consider the deepest layer to learn a feature embedding and thus fail to well utilize the available discriminative information from cluster assignments, resulting performance limitation. To this…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Zhihao Peng , Hui Liu , Yuheng Jia , Junhui Hou

Hyperspectral imaging (HSI) is an advanced medical imaging modality that captures optical data across a broad spectral range, providing novel insights into the biochemical composition of tissues. HSI may enable precise differentiation…

图像与视频处理 · 电气工程与系统科学 2024-08-07 Zhonghao Wang , Junwen Wang , Charlie Budd , Oscar MacCormac , Jonathan Shapey , Tom Vercauteren

Hyperspectral image (HSI) clustering groups pixels into clusters without labeled data, which is an important yet challenging task. For large-scale HSIs, most methods rely on superpixel segmentation and perform superpixel-level clustering…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Jianhan Qi , Yuheng Jia , Hui Liu , Junhui Hou

Hyperspectral image (HSI) classification techniques have been intensively studied and a variety of models have been developed. However, these HSI classification models are confined to pocket models and unrealistic ways of dataset…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Quanwei Liu , Yanni Dong , Tao Huang , Lefei Zhang , Bo Du

Ultra-fine-grained visual categorization (Ultra-FGVC) aims to classify highly similar subcategories within fine-grained objects using limited training samples. However, holistic yet discriminative cues, such as leaf contours in extremely…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Shijie Wang , Zijian Wang , Yadan Luo , Haojie Li , Zi Huang , Mahsa Baktashmotlagh

Deep clustering (DC) leverages the representation power of deep architectures to learn embedding spaces that are optimal for cluster analysis. This approach filters out low-level information irrelevant for clustering and has proven…

机器学习 · 计算机科学 2021-12-28 Daniel de Mello , Renato Assunção , Fabricio Murai

Deep subspace clustering (DSC) networks based on self-expressive model learn representation matrix, often implemented in terms of fully connected network, in the embedded space. After the learning is finished, representation matrix is used…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Lovro Sindičić , Ivica Kopriva

Clustering of hyperspectral images is a fundamental but challenging task. The recent development of hyperspectral image clustering has evolved from shallow models to deep and achieved promising results in many benchmark datasets. However,…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Yaoming Cai , Zijia Zhang , Yan Liu , Pedram Ghamisi , Kun Li , Xiaobo Liu , Zhihua Cai

Hyperspectral imaging provides precise classification for land use and cover due to its exceptional spectral resolution. However, the challenges of high dimensionality and limited spatial resolution hinder its effectiveness. This study…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Shivam Pande

Graph clustering discovers groups or communities within networks. Deep learning methods such as autoencoders (AE) extract effective clustering and downstream representations but cannot incorporate rich structural information. While Graph…

机器学习 · 计算机科学 2022-04-28 Gayan K. Kulatilleke , Marius Portmann , Shekhar S. Chandra

Convolutional neural networks are the way to solve arbitrary image segmentation tasks. However, when images are large, memory demands often exceed the available resources, in particular on a common GPU. Especially in biomedical imaging,…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Marco Reisert , Maximilian Russe , Samer Elsheikh , Elias Kellner , Henrik Skibbe

Deep clustering is a fundamental yet challenging task for data analysis. Recently we witness a strong tendency of combining autoencoder and graph neural networks to exploit structure information for clustering performance enhancement.…

机器学习 · 计算机科学 2020-12-18 Wenxuan Tu , Sihang Zhou , Xinwang Liu , Xifeng Guo , Zhiping Cai , En zhu , Jieren Cheng

Subspace clustering is a powerful unsupervised approach for hyperspectral image (HSI) analysis, but its high computational and memory costs limit scalability. Superpixel segmentation can improve efficiency by reducing the number of data…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Xianlu Li , Nicolas Nadisic , Shaoguang Huang , Aleksandra Pizurica