University of Calgary

Geospatial Sensing and Intelligence Lab (GSIL)

Journal Publications

2025

3D-UMamba: 3D U-Net with state space model for semantic segmentation of multi-source LiDAR point clouds
Lu, Dening; Xu, Linlin; Zhou, Jun; Gao, Kyle; Gong, Zheng; Zhang, Dedong
International Journal of Applied Earth Observation and Geoinformation, 136, 104401 (2025)
RTCNet: A novel real-time triple branch network for pavement crack semantic segmentation
Liu, Bin; Kang, Jian; Guan, Haiyan; Zhi, Xiaodong; Yu, Yongtao; Ma, Lingfei; Peng, Daifeng; Xu, Linlin; Wang, Dongchuan
International Journal of Applied Earth Observation and Geoinformation, 136, 104347 (2025)
Improved Landslide Deformation Prediction Using Convolutional Neural Network--Gated Recurrent Unit and Spatial--Temporal Data
Yang, Honglei; Liu, Youfeng; Han, Qing; Xu, Linlin; Zhang, Tengjun; Wang, Zeping; Yan, Ao; Zhao, Songxue; Han, Jianfeng; Wang, Yuedong
Remote Sensing, 17(4), 727 (2025)
IceGCN: An Interactive Sea Ice Classification Pipeline for SAR Imagery Based on Graph Convolutional Network
Jiang, Mingzhe; Chen, Xinwei; Xu, Linlin; Clausi, David A
Remote Sensing, 16(13), 2301 (2024, but appears in 2025 issues online)
Region-Based Sea Ice Mapping Using Compact Polarimetric Synthetic Aperture Radar Imagery with Learned Features and Contextual Information
Taleghanidoozdoozan, Saeid; Xu, Linlin; Clausi, David A
Remote Sensing, 15(12), 3199 (2023, but appears in 2025 issues online)
A Weakly Supervised Learning Approach for Sea Ice Stage of Development Classification from AI4Arctic Sea Ice Challenge Dataset
Chen, Xinwei; Patel, Muhammed; Xu, Linlin; Chen, Yuhao; Scott, K Andrea; Clausi, David A
IEEE Transactions on Geoscience and Remote Sensing (2025)
Enhanced 3D Urban Scene Reconstruction and Point Cloud Densification using Gaussian Splatting and Google Earth Imagery
Gao, Kyle; Lu, Dening; He, Hongjie; Xu, Linlin; Li, Jonathan; Gong, Zheng
IEEE Transactions on Geoscience and Remote Sensing (2025)
Sparse Deformable Mamba for Hyperspectral Image Classification
Xu, Lincoln Linlin; Zhu, Yimin; Dewis, Zack; Xu, Zhengsen; Alkayid, Motasem; Heffring, Mabel; Taleghanidoozdoozan, Saeid
arXiv preprint arXiv:2504.09446 (2025)
Language-Informed Hyperspectral Image Synthesis for Imbalanced-Small Sample Classification via Semi-Supervised Conditional Diffusion Model
Zhu, Yimin; Xu, Linlin
arXiv preprint arXiv:2502.19700 (2025)
Spatial-Spectral Diffusion Contrastive Representation Network for Hyperspectral Image Classification
Zhu, Yimin; Xu, Linlin
arXiv preprint arXiv:2502.19699 (2025)
A Comparative Study of Deep Learning Methods for Automated Road Network Extraction from High-Spatial-Resolution Remotely Sensed Imagery
Zhou, Haochen; He, Hongjie; Xu, Linlin; Ma, Lingfei; Zhang, Dedong; Chen, Nan; Chapman, Michael A; Li, Jonathan
Photogrammetric Engineering & Remote Sensing, 91(3), 163–174 (2025)
3D semantic segmentation: Cluster-based sampling and proximity hashing for novel class discovery
Du, Jing; Xu, Linlin; Ma, Lingfei; Gao, Kyle; Zelek, John; Li, Jonathan
ISPRS Journal of Photogrammetry and Remote Sensing, 223, 274–295 (2025)
MFGC-Net: Bridging and fusing multiscale features and global contexts for multi-task sea ice fine segmentation
Ma, Tianen; Chen, Xinwei; Xu, Linlin; Ma, Pengfei; Yu, Peilin
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2025)
Improved Landslide Deformation Prediction Using Convolutional Neural Network--Gated Recurrent Unit and Spatial--Temporal Data
Yang, Honglei; Liu, Youfeng; Han, Qing; Xu, Linlin; Zhang, Tengjun; Wang, Zeping; Yan, Ao; Zhao, Songxue; Han, Jianfeng; Wang, Yuedong
Remote Sensing, 17(4), 727 (2025)
3DGTN: 3D Dual-Attention GLocal Transformer Network for Point Cloud Classification and Segmentation
Lu, Dening; Gao, Kyle; Xie, Qian; Xu, Linlin; Li, Jonathan
IEEE Transactions on Geoscience and Remote Sensing (2025)
Enhanced 3D Urban Scene Reconstruction and Point Cloud Densification using Gaussian Splatting and Google Earth Imagery
Gao, Kyle; Lu, Dening; He, Hongjie; Xu, Linlin; Li, Jonathan; Gong, Zheng
IEEE Transactions on Geoscience and Remote Sensing (2025)
Improved Landslide Deformation Prediction Using Convolutional Neural Network--Gated Recurrent Unit and Spatial--Temporal Data
Yang, Honglei; Liu, Youfeng; Han, Qing; Xu, Linlin; Zhang, Tengjun; Wang, Zeping; Yan, Ao; Zhao, Songxue; Han, Jianfeng; Wang, Yuedong
Remote Sensing, 17(4), 727 (2025)

2024

A gap-filling method for satellite-derived chlorophyll-a time series based on neighborhood spatiotemporal information
Zhou, Gaoxiang; Liu, Ming; Xu, Linlin; Li, Liangzhi
International Journal of Applied Earth Observation and Geoinformation, 128, 103724 (2024)
Integrating deep transformer and temporal convolutional networks for SMEs revenue and employment growth prediction
Lu, Dening; Schwartz, Shimon; Xu, Linlin; Shafiee, Mohammad Javad; Vinson, Norman G; Czarnecki, Krzysztof J; Wong, Alexander
Expert Systems with Applications, 252, 124129 (2024)
IceGCN: An Interactive Sea Ice Classification Pipeline for SAR Imagery Based on Graph Convolutional Network
Jiang, Mingzhe; Chen, Xinwei; Xu, Linlin; Clausi, David A
Remote Sensing, 16(13), 2301 (2024)
Region-Based Sea Ice Mapping Using Compact Polarimetric Synthetic Aperture Radar Imagery with Learned Features and Contextual Information
Taleghanidoozdoozan, Saeid; Xu, Linlin; Clausi, David A
Remote Sensing, 15(12), 3199 (2024)
IceGCN: An Interactive Sea Ice Classification Pipeline for SAR Imagery Based on Graph Convolutional Network
Jiang, Mingzhe; Chen, Xinwei; Xu, Linlin; Clausi, David A
Remote Sensing, 16(13), 2301 (2024)
Region-Based Sea Ice Mapping Using Compact Polarimetric Synthetic Aperture Radar Imagery with Learned Features and Contextual Information
Taleghanidoozdoozan, Saeid; Xu, Linlin; Clausi, David A
Remote Sensing, 15(12), 3199 (2024)
Region-Based Sea Ice Mapping Using Compact Polarimetric Synthetic Aperture Radar Imagery with Learned Features and Contextual Information
Taleghanidoozdoozan, Saeid; Xu, Linlin; Clausi, David A
Remote Sensing, 15(12), 3199 (2024)
Region-Based Sea Ice Mapping Using Compact Polarimetric Synthetic Aperture Radar Imagery with Learned Features and Contextual Information
Taleghanidoozdoozan, Saeid; Xu, Linlin; Clausi, David A
Remote Sensing, 15(12), 3199 (2024)
3DGTN: 3D Dual-Attention GLocal Transformer Network for Point Cloud Classification and Segmentation
Lu, Dening; Gao, Kyle; Xie, Qian; Xu, Linlin; Li, Jonathan
IEEE Transactions on Geoscience and Remote Sensing (2024, online preprint/early access)
Wildfire Risk Prediction: A Review
Xu, Zhengsen; Li, Jonathan; Cheng, Sibo; Rui, Xue; Zhao, Yu; He, Hongjie; Xu, Linlin
arXiv preprint arXiv:2405.01607 (2024)
Improved Landslide Deformation Prediction Using Convolutional Neural Network--Gated Recurrent Unit and Spatial--Temporal Data
Yang, Honglei; Liu, Youfeng; Han, Qing; Xu, Linlin; Zhang, Tengjun; Wang, Zeping; Yan, Ao; Zhao, Songxue; Han, Jianfeng; Wang, Yuedong
Remote Sensing, 17(4), 727 (2024)
Pyramid Fine and Coarse Attentions for Land Cover Classification from Compact Polarimetric SAR Imagery
Taleghanidoozdoozan, Saeid; Xu, Linlin; Clausi, David A
Remote Sensing, 17(3), 367 (2024)
A gap-filling method for satellite-derived chlorophyll-a time series based on neighborhood spatiotemporal information
Zhou, Gaoxiang; Liu, Ming; Xu, Linlin; Li, Liangzhi
International Journal of Applied Earth Observation and Geoinformation, 128, 103724 (2024)
MFGC-Net: Bridging and fusing multiscale features and global contexts for multi-task sea ice fine segmentation
Ma, Tianen; Chen, Xinwei; Xu, Linlin; Ma, Pengfei; Yu, Peilin
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2024, early access)
Efficient Point Transformer with Dynamic Token Aggregating for Point Cloud Processing
Lu, Dening; Zhou, Jun; Xu, Linlin; Li, Jonathan; others
arXiv preprint arXiv:2405.15827 (2024)
Individual tree species classification using low-density airborne multispectral LiDAR data via attribute-aware cross-branch transformer
Wang, Lanying; Lu, Dening; Xu, Linlin; Robinson, Derek T; Tan, Weikai; Xie, Qian; Guan, Haiyan; Chapman, Michael A; Li, Jonathan
Remote Sensing of Environment, 315, 114456 (2024)

2023

Uncertainty-incorporated ice and open water detection on dual-polarized SAR sea ice imagery
Chen, Xinwei; Scott, K Andrea; Xu, Linlin; Jiang, Mingzhe; Fang, Yuan; Clausi, David A
IEEE Transactions on Geoscience and Remote Sensing, 61, 1-13 (2023)
Multi-Task Edge Detection for Building Vectorization From Aerial Images
Wu, Yifan; Xu, Linlin; Wang, Lei; Chen, Qi; Chen, Yuhao; Clausi, David A
IEEE Geoscience and Remote Sensing Letters, 20, 1-5 (2023)
A Hybrid Model of Primary Ensemble Empirical Mode Decomposition and Quantum Neural Network in Financial Time Series Prediction
Wang, Caifeng; Yang, Yukun; Xu, Linlin; Wong, Alexander
Fluctuation and Noise Letters, 22(4), 2340006 (2023)
Local and global spatial information for land cover semisupervised classification of complex polarimetric SAR data
Ghanbari, Mohsen; Xu, Linlin; Clausi, David A
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 16, 3892-3904 (2023)
Ensemble Learning Simulation Method for Hydraulic Characteristic Parameters of Emitters Driven by Limited Data
Yu, Jingxin; Zhangzhong, Lili; Lan, Renping; Zhang, Xin; Xu, Linlin; Li, Jingjing
Agronomy, 13(4), 986 (2023)
A Spatial--Temporal Bayesian Deep Image Prior Model for Moderate Resolution Imaging Spectroradiometer Temporal Mixture Analysis
Wang, Yuxian; Zhuo, Rongming; Xu, Linlin; Fang, Yuan
Remote Sensing, 15(15), 3782 (2023)
Region-Based Sea Ice Mapping Using Compact Polarimetric Synthetic Aperture Radar Imagery with Learned Features and Contextual Information
Taleghanidoozdoozan, Saeid; Xu, Linlin; Clausi, David A
Remote Sensing, 15(12), 3199 (2023)
Improved Landslide Deformation Prediction Using Convolutional Neural Network--Gated Recurrent Unit and Spatial--Temporal Data
Yang, Honglei; Liu, Youfeng; Han, Qing; Xu, Linlin; Zhang, Tengjun; Wang, Zeping; Yan, Ao; Zhao, Songxue; Han, Jianfeng; Wang, Yuedong
Remote Sensing, 17(4), 727 (2023, online ahead of print 2024/2025)
Unsupervised Bayesian subpixel mapping autoencoder network for hyperspectral images
Fang, Yuan; Wang, Yuxian; Xu, Linlin; Chen, Yujia; Wong, Alexander; Clausi, David A
IEEE Transactions on Geoscience and Remote Sensing, 61, 1-12 (2023)
IceGCN: An Interactive Sea Ice Classification Pipeline for SAR Imagery Based on Graph Convolutional Network
Jiang, Mingzhe; Chen, Xinwei; Xu, Linlin; Clausi, David A
Remote Sensing, 16(13), 2301 (2023, online ahead of print 2024)
A Comparative Study of Deep Learning Methods for Automated Road Network Extraction from High-Spatial-Resolution Remotely Sensed Imagery
Zhou, Haochen; He, Hongjie; Xu, Linlin; Ma, Lingfei; Zhang, Dedong; Chen, Nan; Chapman, Michael A; Li, Jonathan
Photogrammetric Engineering & Remote Sensing, 91(3), 163–174 (2023, published 2025)

2022

Assessment of machine learning classifiers for global lake ice cover mapping from MODIS TOA reflectance data
Wu, Yuhao; Duguay, Claude R; Xu, Linlin
Remote Sensing of Environment, 253, 112206 (2022)
Monitoring and Stability Analysis of the Deformation in the Woda Landslide Area in Tibet, China by the DS-InSAR Method
Liu, Youfeng; Yang, Honglei; Wang, Shizheng; Xu, Linlin; Peng, Junhuan
Remote Sensing, 14(3), 532 (2022)
3DCTN: 3D convolution-transformer network for point cloud classification
Lu, Dening; Xie, Qian; Gao, Kyle; Xu, Linlin; Li, Jonathan
IEEE Transactions on Intelligent Transportation Systems, 23(12), 24854–24865 (2022)
BCUN: Bayesian Fully Convolutional Neural Network for Hyperspectral Spectral Unmixing
Fang, Yuan; Wang, Yuxian; Xu, Linlin; Zhuo, Rongming; Wong, Alexander; Clausi, David A
IEEE Transactions on Geoscience and Remote Sensing, 60, 1-14 (2022)
Multi-Temporal Landsat-8 Images for Retrieval and Broad Scale Mapping of Soil Copper Concentration Using Empirical Models
Fang, Yuan; Xu, Linlin; Wong, Alexander; Clausi, David A
Remote Sensing, 14(10), 2311 (2022)
Transformers in 3d point clouds: A survey
Lu, Dening; Xie, Qian; Wei, Mingqiang; Gao, Kyle; Xu, Linlin; Li, Jonathan
arXiv preprint arXiv:2205.07417 (2022)
Sea Ice--Water Classification of RADARSAT-2 Imagery Based on Residual Neural Networks (ResNet) with Regional Pooling
Jiang, Mingzhe; Xu, Linlin; Clausi, David A
Remote Sensing, 14(13), 3025 (2022)
A Bayesian Deep Image Prior Downscaling Approach for High-Resolution Soil Moisture Estimation
Fang, Yuan; Xu, Linlin; Chen, Yuhao; Zhou, Wei; Wong, Alexander; Clausi, David A
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 15, 4571–4582 (2022)
A Spatial--Temporal Depth-Wise Residual Network for Crop Sub-Pixel Mapping from MODIS Images
Wang, Yuxian; Fang, Yuan; Zhong, Wenlong; Zhuo, Rongming; Peng, Junhuan; Xu, Linlin
Remote Sensing, 14(21), 5605 (2022)
CP-IRGS: A Region-Based Segmentation of Multilook Complex Compact Polarimetric SAR Data
Ghanbari, Mohsen; Clausi, David A; Xu, Linlin
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 14, 6559–6571 (2022)
Oil Spill Candidate Detection Using a Conditional Random Field Model on Simulated Compact Polarimetric Imagery
Taleghanidoozdoozan, Saeid; Xu, Linlin; Clausi, David A
Canadian Journal of Remote Sensing, 48(3), 425-440 (2022)
A depthwise separable fully convolutional ResNet with ConvCRF for semisupervised hyperspectral image classification
Wang, Yuxian; Li, Kui; Xu, Linlin; Wei, Qian; Wang, Fang; Chen, Ye
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 14, 4621-4632 (2022)
Sea-Ice Mapping of RADARSAT-2 Imagery by Integrating Spatial Contexture With Textural Features
Jiang, Mingzhe; Clausi, David A; Xu, Linlin
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 15, 7964-7977 (2022)
Monitoring and Stability Analysis of the Deformation in the Woda Landslide Area in Tibet, China by the DS-InSAR Method
Liu, Youfeng; Yang, Honglei; Wang, Shizheng; Xu, Linlin; Peng, Junhuan
Remote Sensing, 14(3), 532 (2022)
Multi-Temporal Landsat-8 Images for Retrieval and Broad Scale Mapping of Soil Copper Concentration Using Empirical Models
Fang, Yuan; Xu, Linlin; Wong, Alexander; Clausi, David A
Remote Sensing, 14(10), 2311 (2022)
3dpct: 3d point cloud transformer with dual self-attention
Lu, Dening; Gao, Kyle; Xie, Qian; Xu, Linlin; Li, Jonathan
arXiv preprint arXiv:2209.11255 (2022)
NeRF: Neural Radiance Field in 3D Vision, A Comprehensive Review
Gao, Kyle; Gao, Yina; He, Hongjie; Lu, Denning; Xu, Linlin; Li, Jonathan
arXiv preprint arXiv:2210.00379 (2022)
A Spatial--Temporal Depth-Wise Residual Network for Crop Sub-Pixel Mapping from MODIS Images
Wang, Yuxian; Fang, Yuan; Zhong, Wenlong; Zhuo, Rongming; Peng, Junhuan; Xu, Linlin
Remote Sensing, 14(21), 5605 (2022)
Oil Spill Candidate Detection Using a Conditional Random Field Model on Simulated Compact Polarimetric Imagery
Taleghanidoozdoozan, Saeid; Xu, Linlin; Clausi, David A
Canadian Journal of Remote Sensing, 48(3), 425-440 (2022)
Multi-Temporal Landsat-8 Images for Retrieval and Broad Scale Mapping of Soil Copper Concentration Using Empirical Models
Fang, Yuan; Xu, Linlin; Wong, Alexander; Clausi, David A
Remote Sensing, 14(10), 2311 (2022)

Conference Papers

2024

Enhancing Sea Ice Type Classification from AI4Arctic Dataset Based On Regional Loss Representations
Chen, Xinwei; Patel, Muhammed; Xu, Linlin; Scott, K Andrea; Clausi, David A; Huang, Weimin
IGARSS 2024 - IEEE International Geoscience and Remote Sensing Symposium (2024)
Pixel-Level Sea Ice Concentration Retrieval from Sentinel-1 SAR Imagery and Ancillary Data via Regional Loss Representations
Chen, Xinwei; Patel, Muhammed; Xu, Linlin; Chen, Yuhao; Clausi, David A; Scott, K Andrea; Huang, Weimin
OCEANS 2024 - IEEE Conference, Singapore (2024)
Fusing Ice Surface Temperature with the AI4Arctic Dataset for Enhanced Sea Ice Concentration Estimation: A Preliminary Assessment
de Loë, Lily; Xu, Linlin; Scott, K Andrea
OCEANS 2024 - IEEE Conference, Halifax (2024)

2023

Deep Fusion Transformer Network with Weighted Vector-Wise Keypoints Voting for Robust 6D Object Pose Estimation
Zhou, Jun; Chen, Kai; Xu, Linlin; Dou, Qi; Qin, Jing
Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV), 13967–13977 (2023)
Incidence Angle Dependence of Texture Features From Dual Polarization Radarsat-2 Sea Ice Imagery
Cantu, Fernando J Pena; Chen, Xinwei; Xu, Linlin; Manning, Max Ian A; Scott, K Andrea; Clausi, David A
IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium, 172-175 (2023)
Light-Weighted Explainable Dual Transformer Network for Hyperspectral Image Classification
Xu, Linlin; Fang, Yuan; Chen, Xinwei; Clausi, David A
IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium, 5942-5945 (2023)
The Influence of Input Image Scale on Deep Learning-Based Beluga Whale Detection from Aerial Remote Sensing Imagery
Patel, Muhammed; Chen, Xinwei; Xu, Linlin; Cantu, Fernando J Pena; Turnes, Javier Noa; Brubacher, Neil C; Clausi, David A; Scott, K Andrea
IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium, 5732-5734 (2023)
A Hierarchical Multitask U-Net for Automated Sea Ice Mapping from AI4Arctic Sea Ice Challenge Dataset
Cantu, Fernando J Pena; Chen, Xinwei; Liu, Yizhe; Kanani, Kirtan; Park, Jinman; Tunes, Javier Noa; Xu, Linlin; Scott, K Andrea; Clausi, David A
OCEANS 2023-MTS/IEEE US Gulf Coast, 1-7 (2023)
The Influence of Input Variable Selection on Deep Learning-Based Sea Ice Parameter Inversion from Multi-Sensor Satellite Data
Chen, Xinwei; Patel, Muhammed; Cantu, Fernando J Pena; Park, Jinman; Turnes, Javier Noa; Jiang, Mingzhe; Xu, Linlin; Scott, K Andrea; Clausi, David A; Huang, Weimin
OCEANS 2023-MTS/IEEE US Gulf Coast, 1-4 (2023)
Endmember Variable Mineral Mapping with Bayesian Convolutional Unmixing Network Using Prisma Hyperspectral Imagery
Fang, Yuan; De Souza, Alexander; Xu, Linlin; Chen, Xinwei; Clausi, David A
2023 13th Workshop on Hyperspectral Imaging and Signal Processing: Evolution in Remote Sensing (WHISPERS), 1-5 (2023)
How Much You Ate? Food Portion Estimation on Spoons
Sharma, Aaryam; Czarnecki, Chris; Chen, Yuhao; Xi, Pengcheng; Xu, Linlin; Wong, Alexander
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 3761–3770 (2023)

2022

Semi-Supervised Sea Ice Classification of SAR Imagery Based on Graph Convolutional Network
Jiang, Mingzhe; Chen, Xinwei; Xu, Linlin; Clausi, David A
IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium, 1031-1034 (2022)

In Review and Preparation

  1. Sparse Deformable Mamba for Hyperspectral Image Classification
    Xu, Lincoln Linlin; Zhu, Yimin; Dewis, Zack; Xu, Zhengsen; Alkayid, Motasem; Heffring, Mabel; Taleghanidoozdoozan, Saeid
    Under review
  2. ITT: Long-range Spatial Dependencies for Sea Ice Semantic Segmentation
    Turnes, Javier Noa; Jiang, Mingzhe; Taleghanidoozdoozan, Saeid; Xu, Linlin; Clausi, David A
    Under review at IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
  3. A Weakly Supervised Learning Approach for Sea Ice Stage of Development Classification from AI4Arctic Sea Ice Challenge Dataset
    Chen, Xinwei; Patel, Muhammed; Xu, Linlin; Chen, Yuhao; Scott, K Andrea; Clausi, David A
    In preparation for IEEE Transactions on Geoscience and Remote Sensing