no code implementations • 31 Mar 2025 • Xuyang Li, Chenyu Li, Pedram Ghamisi, Danfeng Hong
The rapid expansion of multi-source satellite imagery drives innovation in Earth observation, opening unprecedented opportunities for Remote Sensing Foundation Models to harness diverse data.
no code implementations • 8 Mar 2025 • Zhitong Xiong, Yi Wang, Weikang Yu, Adam J Stewart, Jie Zhao, Nils Lehmann, Thomas Dujardin, Zhenghang Yuan, Pedram Ghamisi, Xiao Xiang Zhu
Earth observation (EO) data, collected from diverse sensors with varying imaging principles, present significant challenges in creating unified analytical frameworks.
no code implementations • 23 Jan 2025 • Jian Wang, Xiaokang Zhang, Xianping Ma, Weikang Yu, Pedram Ghamisi
These informative prompts are able to identify the extent of landslide areas (box prompts) and denote the centers of landslide objects (point prompts), guiding SAM in landslide segmentation.
no code implementations • 14 Jan 2025 • Yuduo Wang, Weikang Yu, Pedram Ghamisi
Change captioning has become essential for accurately describing changes in multi-temporal remote sensing data, providing an intuitive way to monitor Earth's dynamics through natural language.
1 code implementation • 13 Oct 2024 • Yuduo Wang, Weikang Yu, Michael Kopp, Pedram Ghamisi
Recent advancements in Remote Sensing (RS) for Change Detection (CD) and Change Captioning (CC) have seen substantial success by adopting deep learning techniques.
1 code implementation • 4 Jul 2024 • Weikang Yu, Xiaokang Zhang, Xiao Xiang Zhu, Richard Gloaguen, Pedram Ghamisi
First, we establish a global mining change detection dataset featuring more than 70k paired patches of bi-temporal high-resolution remote sensing images and pixel-level annotations from 100 mining sites worldwide.
1 code implementation • 22 Jun 2024 • Ali Jamali, Swalpa Kumar Roy, Danfeng Hong, Bing Lu, Pedram Ghamisi
Thus, in this study, we assess the effectiveness of KANs for complex HSI data classification.
1 code implementation • 9 Jun 2024 • Hang Fu, Genyun Sun, Yinhe Li, Jinchang Ren, Aizhu Zhang, Cheng Jing, Pedram Ghamisi
Haze in HSI exhibits spatial irregularity and inhomogeneous spectral distribution, with few dehazing networks available.
no code implementations • 31 May 2024 • Pedram Ghamisi, Weikang Yu, Andrea Marinoni, Caroline M. Gevaert, Claudio Persello, Sivasakthy Selvakumaran, Manuela Girotto, Benjamin P. Horton, Philippe Rufin, Patrick Hostert, Fabio Pacifici, Peter M. Atkinson
The convergence of artificial intelligence (AI) and Earth observation (EO) technologies has brought geoscience and remote sensing into an era of unparalleled capabilities.
1 code implementation • 10 May 2024 • Yonghao Xu, Pedram Ghamisi, Yannis Avrithis
Multi-target unsupervised domain adaptation (UDA) aims to learn a unified model to address the domain shift between multiple target domains.
1 code implementation • 18 Apr 2024 • Weikang Yu, Xiaokang Zhang, Samiran Das, Xiao Xiang Zhu, Pedram Ghamisi
Change detection (CD) from remote sensing (RS) images using deep learning has been widely investigated in the literature.
Ranked #6 on
Change Detection
on SYSU-CD
no code implementations • 13 Apr 2024 • Yidan Liu, Jun Yue, Shaobo Xia, Pedram Ghamisi, Weiying Xie, Leyuan Fang
As a newly emerging advance in deep generative models, diffusion models have achieved state-of-the-art results in many fields, including computer vision, natural language processing, and molecule design.
1 code implementation • 12 Jan 2024 • Elias Arbash, Margret Fuchs, Behnood Rasti, Sandra Lorenz, Pedram Ghamisi, Richard Gloaguen
Addressing the critical theme of recycling electronic waste (E-waste), this contribution is dedicated to developing advanced automated data processing pipelines as a basis for decision-making and process control.
no code implementations • 13 Nov 2023 • Danfeng Hong, Bing Zhang, Xuyang Li, YuXuan Li, Chenyu Li, Jing Yao, Naoto Yokoya, Hao Li, Pedram Ghamisi, Xiuping Jia, Antonio Plaza, Paolo Gamba, Jon Atli Benediktsson, Jocelyn Chanussot
The foundation model has recently garnered significant attention due to its potential to revolutionize the field of visual representation learning in a self-supervised manner.
1 code implementation • 6 Nov 2023 • Elias Arbash, Andréa de Lima Ribeiro, Sam Thiele, Nina Gnann, Behnood Rasti, Margret Fuchs, Pedram Ghamisi, Richard Gloaguen
The presence of undesired background areas associated with potential noise and unknown spectral characteristics degrades the performance of hyperspectral data processing.
1 code implementation • 19 Oct 2023 • Yuduo Wang, Pedram Ghamisi
In recent years, with the rapid advancement of transformer models, transformer-based multimodal architectures have found wide application in various downstream tasks, including but not limited to Image Captioning, Visual Question Answering (VQA), and Image-Text Generation.
1 code implementation • 9 Aug 2023 • Ali Jamali, Swalpa Kumar Roy, Danfeng Hong, Peter M Atkinson, Pedram Ghamisi
Results illustrated the superiority of the developed SGU-MLP classification algorithm over several CNN and CNN-ViT-based models, including HybridSN, ResNet, iFormer, EfficientFormer and CoAtNet.
1 code implementation • 31 Jul 2023 • Weikang Yu, Yonghao Xu, Pedram Ghamisi
Deep neural networks (DNNs) have risen to prominence as key solutions in numerous AI applications for earth observation (AI4EO).
1 code implementation • 8 Jun 2023 • Ali Jamali, Swalpa Kumar Roy, Jonathan Li, Pedram Ghamisi
In the domain of remote sensing image interpretation, road extraction from high-resolution aerial imagery has already been a hot research topic.
no code implementations • 17 May 2023 • Ahmed J. Afifi, Samuel T. Thiele, Aldino Rizaldy, Sandra Lorenz, Pedram Ghamisi, Raimon Tolosana-Delgado, Moritz Kirsch, Richard Gloaguen, Michael Heizmann
To address these challenges, we present Tinto, a multi-sensor benchmark digital outcrop dataset designed to facilitate the development and validation of deep learning approaches for geological mapping, especially for non-structured 3D data like point clouds.
1 code implementation • 3 Apr 2023 • Shizhen Chang, Michael Kopp, Pedram Ghamisi, Bo Du
Based on the sequential geographical information of the bitemporal images, we designed a feature retrieval module to extract difference features and leverage discriminative information in a deeply supervised manner.
Ranked #10 on
Change Detection
on WHU-CD
2 code implementations • 3 Apr 2023 • Shizhen Chang, Pedram Ghamisi
In this study, we highlight the significance of accurately describing changes in remote sensing images and present a comparison of the change captioning task for natural and synthetic images and remote sensing images.
1 code implementation • IEEE Geoscience and Remote Sensing Letters 2023 • Ali Jamali, Swalpa Kumar Roy, Avik Bhattacharya, Pedram Ghamisi
The PolSARFormer outperformed the Swin Transformer and FNet by the margin of 5. 86% and 17. 63%, in terms of average accuracy in the San Francisco data benchmark.
no code implementations • 19 Dec 2022 • Yonghao Xu, Tao Bai, Weikang Yu, Shizhen Chang, Peter M. Atkinson, Pedram Ghamisi
Recent advances in artificial intelligence (AI) have significantly intensified research in the geoscience and remote sensing (RS) field.
1 code implementation • 15 Nov 2022 • Nikolaus Dräger, Yonghao Xu, Pedram Ghamisi
Despite its simplicity, the proposed method can significantly cheat the current state-of-the-art deep learning models with a high attack success rate.
1 code implementation • 9 Oct 2022 • Shizhen Chang, Michael Kopp, Pedram Ghamisi
In this paper, inspired by the sketched representation and multi-view subspace learning, a sketched multi-view subspace learning (SMSL) model is proposed for HSI anomalous change detection.
1 code implementation • 28 Sep 2022 • Puhong Duan, Xudong Kang, Pedram Ghamisi
Oil spill detection has attracted increasing attention in recent years since marine oil spill accidents severely affect environments, natural resources, and the lives of coastal inhabitants.
no code implementations • 26 Sep 2022 • Michael Schmitt, Pedram Ghamisi, Naoto Yokoya, Ronny Hänsch
In the era of deep learning, annotated datasets have become a crucial asset to the remote sensing community.
no code implementations • 6 Sep 2022 • Omid Ghorbanzadeh, Yonghao Xu, Hengwei Zhao, Junjue Wang, Yanfei Zhong, Dong Zhao, Qi Zang, Shuang Wang, Fahong Zhang, Yilei Shi, Xiao Xiang Zhu, Lin Bai, Weile Li, Weihang Peng, Pedram Ghamisi
The objective of the competition is to automatically detect landslides based on large-scale multiple sources of satellite imagery collected globally.
no code implementations • 24 Aug 2022 • Laura E. C. La Rosa, Dario A. B. Oliveira, Pedram Ghamisi
In this context, priors are seen as an attractive way to alleviate the burden of manual labeling when training deep learning methods for EO.
1 code implementation • 8 Aug 2022 • Yonghao Xu, Weikang Yu, Pedram Ghamisi, Michael Kopp, Sepp Hochreiter
To better evaluate the realism and semantic consistency of the generated images, we further conduct zero-shot classification on real remote sensing data using the classification model trained on synthesized images.
1 code implementation • journal 2022 • Majid Seydgar, Shahryar Rahnamayan, Pedram Ghamisi, Azam Asilian Bidgoli
The generated pseudo labels of our proposed framework can be fed to various DNNs to improve their generalization capacity.
Ranked #1 on
Semi-Supervised Image Classification
on Salinas
(using extra training data)
no code implementations • 1 Jun 2022 • Omid Ghorbanzadeh, Yonghao Xu, Pedram Ghamisi, Michael Kopp, David Kreil
We make the multi-source landslide benchmark data (Landslide4Sense) and the tested DL models publicly available at \url{https://www. iarai. ac. at/landslide4sense}, establishing an important resource for remote sensing, computer vision, and machine learning communities in studies of image classification in general and applications to landslide detection in particular.
no code implementations • 18 Apr 2022 • Jun Yue, Leyuan Fang, Pedram Ghamisi, Weiying Xie, Jun Li, Jocelyn Chanussot, Antonio J Plaza
Therefore, remote sensing image understanding often faces the problems of incomplete, inexact, and inaccurate supervised information, which will affect the breadth and depth of remote sensing applications.
1 code implementation • 14 Apr 2022 • Daniel Coquelin, Behnood Rasti, Markus Götz, Pedram Ghamisi, Richard Gloaguen, Achim Streit
Furthermore, we present a method for training DNNs for denoising HSIs which are not spatially related to the training dataset, i. e., training on ground-level HSIs for denoising HSIs with other perspectives including airborne, drone-borne, and space-borne.
1 code implementation • 18 Mar 2022 • Shizhen Chang, Pedram Ghamisi
CR-based detectors approximate the image by a linear combination of background dictionaries and the coefficient matrix, and derive the detection map by utilizing recovery residuals.
1 code implementation • 14 Feb 2022 • Yonghao Xu, Pedram Ghamisi
Despite their simplicity, the proposed methods can generate transferable adversarial examples that deceive most of the state-of-the-art deep neural networks in both scene classification and semantic segmentation tasks with high success rates.
1 code implementation • 8 Feb 2022 • Yonghao Xu, Pedram Ghamisi
To this end, we further propose the consistency regularization strategy, where a base classifier and an expanded classifier are employed.
1 code implementation • 15 Jan 2022 • Weiwei Song, Zhi Gao, Renwei Dian, Pedram Ghamisi, Yongjun Zhang, Jón Atli Benediktsson
In this paper, we propose a novel deep hashing method, named asymmetric hash code learning (AHCL), for RSIR.
no code implementations • 10 Jan 2022 • Ming Lu, Leyuan Fang, Muxing Li, Bob Zhang, Yi Zhang, Pedram Ghamisi
Therefore, we study how to utilize point labels to extract water bodies and propose a novel method called the neighbor feature aggregation network (NFANet).
1 code implementation • IEEE 2021 • Kasra Rafiezadeh Shahi, Pedram Ghamisi, Behnood Rasti, Paul Scheunders, Richard Gloaguen
In this article, we propose a multisensor deep clustering (MDC) algorithm for the joint processing of multisource imaging data.
1 code implementation • 15 Nov 2021 • Yaoming Cai, Zijia Zhang, Yan Liu, Pedram Ghamisi, Kun Li, Xiaobo Liu, Zhihua Cai
Specifically, we exploit a symmetric twin neural network comprised of a projection head with a dimensionality of the cluster number to conduct dual contrastive learning from a spectral-spatial augmentation pool.
1 code implementation • 15 Nov 2021 • Yaoming Cai, Zijia Zhang, Zhihua Cai, Xiaobo Liu, Yao Ding, Pedram Ghamisi
This paper presents FLGC, a simple yet effective fully linear graph convolutional network for semi-supervised and unsupervised learning.
no code implementations • 1 Jul 2021 • Benhood Rasti, Yi Chang, Emanuele Dalsasso, Loïc Denis, Pedram Ghamisi
Additionally, this review paper accompanies a toolbox to provide a platform to encourage interested students and researchers in the field to further explore the restoration techniques and fast-forward the community.
1 code implementation • 23 Oct 2020 • Puhong Duan, Pedram Ghamisi, Xudong Kang, Behnood Rasti, Shutao Li, Richard Gloaguen
In the spatial optimization stage, a pixel-level classifier is used to obtain the class probability followed by an extended random walker-based spatial optimization technique.
1 code implementation • 28 Jul 2020 • Kasra Rafiezadeh Shahi, Mahdi Khodadadzadeh, Laura Tusa, Pedram Ghamisi, Raimon Tolosana-Delgado, and Richard Gloaguen
In addition, in order to have a comparison with conventional clustering algorithms, HESSC’s performance is compared with K-means and FCM.
1 code implementation • 25 May 2020 • Renlong Hang, Zhu Li, Qingshan Liu, Pedram Ghamisi, Shuvra S. Bhattacharyya
Specifically, a spectral attention sub-network and a spatial attention sub-network are proposed for spectral and spatial classification, respectively.
no code implementations • 21 Mar 2020 • Amir Mosavi, Pedram Ghamisi, Yaser Faghan, Puhong Duan
The popularity of deep reinforcement learning (DRL) methods in economics have been exponentially increased.
no code implementations • 19 Mar 2020 • Saeed Nosratabadi, Amir Mosavi, Puhong Duan, Pedram Ghamisi
The data science advances are investigated in three individual classes of deep learning models, ensemble models, and hybrid models.
1 code implementation • 5 Mar 2020 • Behnood Rasti, Danfeng Hong, Renlong Hang, Pedram Ghamisi, Xudong Kang, Jocelyn Chanussot, Jon Atli Benediktsson
The advances in feature extraction have been inspired by two fields of research, including the popularization of image and signal processing as well as machine (deep) learning, leading to two types of feature extraction approaches named shallow and deep techniques.
no code implementations • 4 Feb 2020 • Renlong Hang, Zhu Li, Pedram Ghamisi, Danfeng Hong, Guiyu Xia, Qingshan Liu
For the feature-level fusion, three different fusion strategies are evaluated, including the concatenation strategy, the maximization strategy, and the summation strategy.
no code implementations • 18 Dec 2019 • Danfeng Hong, Xin Wu, Pedram Ghamisi, Jocelyn Chanussot, Naoto Yokoya, Xiao Xiang Zhu
In this paper, we propose a solution to address this issue by locally extracting invariant features from hyperspectral imagery (HSI) in both spatial and frequency domains, using a method called invariant attribute profiles (IAPs).
no code implementations • 26 Oct 2019 • Shutao Li, Weiwei Song, Leyuan Fang, Yushi Chen, Pedram Ghamisi, Jón Atli Benediktsson
Specifically, we first summarize the main challenges of HSI classification which cannot be effectively overcome by traditional machine learning methods, and also introduce the advantages of deep learning to handle these problems.
no code implementations • 29 May 2019 • Guichen Zhang, Pedram Ghamisi, Xiao Xiang Zhu
This paper proposes a novel framework for fusing multi-temporal, multispectral satellite images and OpenStreetMap (OSM) data for the classification of local climate zones (LCZs).
no code implementations • 28 Feb 2019 • Renlong Hang, Qingshan Liu, Danfeng Hong, Pedram Ghamisi
The first RNN layer is used to eliminate redundant information between adjacent spectral bands, while the second RNN layer aims to learn the complementary information from non-adjacent spectral bands.
no code implementations • 19 Dec 2018 • Pedram Ghamisi, Behnood Rasti, Naoto Yokoya, Qunming Wang, Bernhard Hofle, Lorenzo Bruzzone, Francesca Bovolo, Mingmin Chi, Katharina Anders, Richard Gloaguen, Peter M. Atkinson, Jon Atli Benediktsson
The sharp and recent increase in the availability of data captured by different sensors combined with their considerably heterogeneous natures poses a serious challenge for the effective and efficient processing of remotely sensed data.
no code implementations • 3 Aug 2017 • Shaghayegh Kargozar Nahavandya, Lalit Kumar, Pedram Ghamisi
In this study the SLEUTH model was used to model the urban expansion and predict the future possible behavior of the urban growth in Tehran.
no code implementations • 9 Jul 2017 • Pedram Ghamisi, Gabriele Cavallaro, Dan, Wu, Jon Atli Benediktsson, Antonio Plaza
In this paper, an approach is proposed to fuse LiDAR and hyperspectral data, which considers both spectral and spatial information in a single framework.