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Weakly supervised data are widespread and have attracted much attention. However, since label quality is often difficult to guarantee, sometimes the use of weakly supervised data will lead to unsatisfactory performance, i.e., performance…

Machine Learning · Computer Science 2019-04-23 Lan-Zhe Guo , Yu-Feng Li , Ming Li , Jin-Feng Yi , Bo-Wen Zhou , Zhi-Hua Zhou

Supervised deep learning requires a large amount of training samples with annotations (e.g. label class for classification task, pixel- or voxel-wised label map for segmentation tasks), which are expensive and time-consuming to obtain.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Yuanhan Mo , Shuo Wang , Chengliang Dai , Rui Zhou , Zhongzhao Teng , Wenjia Bai , Yike Guo

Large-scale land cover maps generated using deep learning play a critical role across a wide range of Earth science applications. Open in-situ datasets from principled land cover surveys offer a scalable alternative to manual annotation for…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Johannes Leonhardt , Juergen Gall , Ribana Roscher

Deep learning has significantly improved the accuracy of crop classification using multispectral temporal data. However, these models have complex structures with numerous parameters, requiring large amounts of data and costly training. In…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Wei Cheng , Hongrui Ye , Xiao Wen , Jiachen Zhang , Jiping Xu , Feifan Zhang

The accuracy of mapping agricultural fields across large areas is steadily improving with high-resolution satellite imagery and deep learning (DL) models, even in regions where fields are small and geometrically irregular. However,…

Mapping crops using remote sensing technology is important for food security and land management. Machine learning-based methods has become a popular approach for crop mapping in recent years. However, the key to machine learning, acquiring…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Yunze Zang , Yifei Liu , Xuehong Chen , Anqi Li , Yichen Zhai , Shijie Li , Luling Liu , Chuanhai Zhu , Ruilin Chen , Shupeng Li , Na Jie

The accurate mapping of crop production is crucial for ensuring food security, effective resource management, and sustainable agricultural practices. One way to achieve this is by analyzing high-resolution satellite imagery. Deep Learning…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Priyanka Goyal , Sohan Patnaik , Adway Mitra , Manjira Sinha

Weak supervision (WS) frameworks are a popular way to bypass hand-labeling large datasets for training data-hungry models. These approaches synthesize multiple noisy but cheaply-acquired estimates of labels into a set of high-quality…

Machine Learning · Computer Science 2023-11-30 Changho Shin , Winfred Li , Harit Vishwakarma , Nicholas Roberts , Frederic Sala

Effective weed control plays a crucial role in optimizing crop yield and enhancing agricultural product quality. However, the reliance on herbicide application not only poses a critical threat to the environment but also promotes the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Jiajia Li , Dong Chen , Xunyuan Yin , Zhaojian Li

In defense-related remote sensing applications, such as vehicle detection on satellite imagery, supervised learning requires a huge number of labeled examples to reach operational performances. Such data are challenging to obtain as it…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Jules BOURCIER , Thomas Floquet , Gohar Dashyan , Tugdual Ceillier , Karteek Alahari , Jocelyn Chanussot

In practical domains, high-dimensional data are usually associated with diverse semantic labels, whereas traditional feature selection methods are designed for single-label data. Moreover, existing multi-label methods encounter two main…

Machine Learning · Computer Science 2025-05-26 Yan Zhong , Xingyu Wu , Xinping Zhao , Li Zhang , Xinyuan Song , Lei Shi , Bingbing Jiang

Semi-supervised learning techniques are gaining popularity due to their capability of building models that are effective, even when scarce amounts of labeled data are available. In this paper, we present a framework and specific tasks for…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Antonio Montanaro , Diego Valsesia , Giulia Fracastoro , Enrico Magli

Supervised deep neural networks are the-state-of-the-art for many tasks in the remote sensing domain, against the fact that such techniques require the dataset consisting of pairs of input and label, which are rare and expensive to collect…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Sarun Gulyanon , Wasit Limprasert , Pokpong Songmuang , Rachada Kongkachandra

Many promising applications of supervised machine learning face hurdles in the acquisition of labeled data in sufficient quantity and quality, creating an expensive bottleneck. To overcome such limitations, techniques that do not depend on…

Machine Learning · Computer Science 2023-03-14 Benedikt Boecking , Nicholas Roberts , Willie Neiswanger , Stefano Ermon , Frederic Sala , Artur Dubrawski

Recent advancements in semi-supervised deep learning have introduced effective strategies for leveraging both labeled and unlabeled data to improve classification performance. This work proposes a semi-supervised framework that utilizes a…

Machine Learning · Computer Science 2025-05-21 Aydin Abedinia , Shima Tabakhi , Vahid Seydi

This work proposes a hybrid unsupervised and supervised learning method to pre-train models applied in Earth observation downstream tasks when only a handful of labels denoting very general semantic concepts are available. We combine a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Omar A. Castaño-Idarraga , Raul Ramos-Pollán , Freddie Kalaitzis

Accurate crop mapping fundamentally relies on modeling multi-scale spatiotemporal patterns, where spatial scales range from individual field textures to landscape-level context, and temporal scales capture both short-term phenological…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Wenyuan Li , Shunlin Liang , Keyan Chen , Yongzhe Chen , Han Ma , Jianglei Xu , Yichuan Ma , Shikang Guan , Husheng Fang , Zhenwei Shi

The ground-to-satellite image matching/retrieval was initially proposed for city-scale ground camera localization. This work addresses the problem of improving camera pose accuracy by ground-to-satellite image matching after a coarse…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Yujiao Shi , Hongdong Li , Akhil Perincherry , Ankit Vora

Crop type classification using optical satellite time series remains limited in its ability to generalize across seasons, particularly when crop phenology shifts due to inter-annual weather variability. This hampers real-world applicability…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Mehmet Ozgur Turkoglu , Selene Ledain , Helge Aasen

The continuous increase in global population and the impact of climate change on crop production are expected to affect the food sector significantly. In this context, there is need for timely, large-scale and precise mapping of crops for…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Hyun-Woo Jo , Alkiviadis Koukos , Vasileios Sitokonstantinou , Woo-Kyun Lee , Charalampos Kontoes