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In the feature classification domain, the choice of data affects widely the results. The Hyperspectral image (HSI), is a set of more than a hundred bidirectional measures (called bands), of the same region (called ground truth map: GT). The…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

Hyperspectral image (HSI) classification presents unique challenges due to its high spectral dimensionality and limited labeled data. Traditional deep learning models often suffer from overfitting and high computational costs.…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Prachet Dev Singh , Shyamsundar Paramasivam , Sneha Barman , Mainak Singha , Ankit Jha , Girish Mishra , Biplab Banerjee

The application of activity recognition in the "AI + Education" field is gaining increasing attention. However, current work mainly focuses on the recognition of activities in manually captured videos and a limited number of activity types,…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Yilei Qian , Kanglei Geng , Kailong Chen , Shaoxu Cheng , Linfeng Xu , Hongliang Li , Fanman Meng , Qingbo Wu

Few-shot class-incremental learning (FSCIL) aims to design machine learning algorithms that can continually learn new concepts from a few data points, without forgetting knowledge of old classes. The difficulty lies in that limited data…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Chi Zhang , Nan Song , Guosheng Lin , Yun Zheng , Pan Pan , Yinghui Xu

The task of Few-shot learning (FSL) aims to transfer the knowledge learned from base categories with sufficient labelled data to novel categories with scarce known information. It is currently an important research question and has great…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Chengming Xu , Chen Liu , Xinwei Sun , Siqian Yang , Yabiao Wang , Chengjie Wang , Yanwei Fu

The high-dimensional features extracted from large-scale unlabeled data via various pretrained models with diverse architectures are referred to as heterogeneous multiview data. Most existing unsupervised transfer learning methods fail to…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Jie Chen , Yuanbiao Gou , Chuanbin Liu , Zhu Wang , Xi Peng

Multi-label classification has attracted much attention in the machine learning community to address the problem of assigning single samples to more than one class at the same time. We propose an evolving multi-label fuzzy classifier…

机器学习 · 计算机科学 2022-03-30 Edwin Lughofer

Hyperspectral image (HI) analysis approaches have recently become increasingly complex and sophisticated. Recently, the combination of spectral-spatial information and superpixel techniques have addressed some hyperspectral data issues,…

图像与视频处理 · 电气工程与系统科学 2024-07-23 Luciano Carvalho Ayres , Sérgio José Melo de Almeida , José Carlos Moreira Bermudez , Ricardo Augusto Borsoi

Anxiety disorders impact millions globally, yet traditional diagnosis relies on clinical interviews, while machine learning models struggle with overfitting due to limited data. Large-scale data collection remains costly and time-consuming,…

机器学习 · 计算机科学 2025-11-11 Aditya Sneh , Nilesh Kumar Sahu , Anushka Sanjay Shelke , Arya Adyasha , Haroon R. Lone

Classifiers often learn to be biased corresponding to the class-imbalanced dataset, especially under the semi-supervised learning (SSL) set. While previous work tries to appropriately re-balance the classifiers by subtracting a…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Weiwei Xing , Yue Cheng , Hongzhu Yi , Xiaohui Gao , Xiang Wei , Xiaoyu Guo , Yuming Zhang , Xinyu Pang

Hyperspectral images (HSI) classification is a high technical remote sensing tool. The main goal is to classify the point of a region. The HIS contains more than a hundred bidirectional measures, called bands (or simply images), of the same…

计算机视觉与模式识别 · 计算机科学 2022-10-27 E. Sarhrouni , A. Hammouch , D. Aboutajdine

The problem of effectively exploiting the information multiple data sources has become a relevant but challenging research topic in remote sensing. In this paper, we propose a new approach to exploit the complementarity of two data sources:…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Heng-Chao Li , Wen-Shuai Hu , Wei Li , Jun Li , Qian Du , Antonio Plaza

Recently hyperspectral imaging (HSI)-based grain quality assessment has gained research attention. However, unlike other imaging modalities, HSI data lacks sufficient labelled samples required to effectively train deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Priyabrata Karmakar , Manzur Murshed , Shyh Wei Teng

Few-shot learning (FSL) aims to learn models that generalize to novel classes with limited training samples. Recent works advance FSL towards a scenario where unlabeled examples are also available and propose semi-supervised FSL methods.…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Linglan Zhao , Dashan Guo , Yunlu Xu , Liang Qiao , Zhanzhan Cheng , Shiliang Pu , Yi Niu , Xiangzhong Fang

Hyperspectral images (HSIs) have been widely used in a variety of applications thanks to the rich spectral information they are able to provide. Among all HSI processing tasks, HSI denoising is a crucial step. Recently, deep learning-based…

图像与视频处理 · 电气工程与系统科学 2022-02-16 Zhiqiang Wang , Zhenfeng Shao , Xiao Huang , Jiaming Wang , Tao Lu , Sihang Zhang

Local Climate Zones (LCZs) give a zoning map to study urban structures and land use and analyze the impact of urbanization on local climate. Multimodal remote sensing enables LCZ classification, for which data fusion is significant for…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Ancymol Thomas , Jaya Sreevalsan-Nair

Learning disentangled representations requires either supervision or the introduction of specific model designs and learning constraints as biases. InfoGAN is a popular disentanglement framework that learns unsupervised disentangled…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Xiao Liu , Spyridon Thermos , Pedro Sanchez , Alison Q. O'Neil , Sotirios A. Tsaftaris

Fine-grained image classification involves identifying different subcategories of a class which possess very subtle discriminatory features. Fine-grained datasets usually provide bounding box annotations along with class labels to aid the…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Farha Al Breiki , Muhammad Ridzuan , Rushali Grandhe

Hyperspectral imagery (HSI) one-class classification is aimed at identifying a single target class from the HSI by using only knowing positive data, which can significantly reduce the requirements for annotation. However, when one-class…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Hengwei Zhao , Yanfei Zhong , Xinyu Wang , Hong Shu

Hyperspectral image (HSI) classification faces critical challenges, including high spectral dimensionality, complex spectral-spatial correlations, and limited training samples with severe class imbalance. While CNNs excel at local feature…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Asmit Bandyopadhyay , Anindita Das Bhattacharjee , Rakesh Das