Search Results for author: Chengxi Han

Found 10 papers, 9 papers with code

Open-CD: A Comprehensive Toolbox for Change Detection

1 code implementation22 Jul 2024 Kaiyu Li, Jiawei Jiang, Andrea Codegoni, Chengxi Han, Yupeng Deng, Keyan Chen, Zhuo Zheng, Hao Chen, Zhengxia Zou, Zhenwei Shi, Sheng Fang, Deyu Meng, Zhi Wang, Xiangyong Cao

We present Open-CD, a change detection toolbox that contains a rich set of change detection methods as well as related components and modules.

Benchmarking Change Detection

HyperSIGMA: Hyperspectral Intelligence Comprehension Foundation Model

1 code implementation17 Jun 2024 Di Wang, Meiqi Hu, Yao Jin, Yuchun Miao, Jiaqi Yang, Yichu Xu, Xiaolei Qin, Jiaqi Ma, Lingyu Sun, Chenxing Li, Chuan Fu, Hongruixuan Chen, Chengxi Han, Naoto Yokoya, Jing Zhang, Minqiang Xu, Lin Liu, Lefei Zhang, Chen Wu, Bo Du, DaCheng Tao, Liangpei Zhang

To tackle the spectral and spatial redundancy challenges in HSIs, we introduce a novel sparse sampling attention (SSA) mechanism, which effectively promotes the learning of diverse contextual features and serves as the basic block of HyperSIGMA.

Change Guiding Network: Incorporating Change Prior to Guide Change Detection in Remote Sensing Imagery

1 code implementation14 Apr 2024 Chengxi Han, Chen Wu, HaoNan Guo, Meiqi Hu, Jiepan Li, Hongruixuan Chen

The rapid advancement of automated artificial intelligence algorithms and remote sensing instruments has benefited change detection (CD) tasks.

Change Detection Edge Detection

HANet: A Hierarchical Attention Network for Change Detection With Bitemporal Very-High-Resolution Remote Sensing Images

1 code implementation14 Apr 2024 Chengxi Han, Chen Wu, HaoNan Guo, Meiqi Hu, Hongruixuan Chen

Benefiting from the developments in deep learning technology, deep-learning-based algorithms employing automatic feature extraction have achieved remarkable performance on the change detection (CD) task.

Change Detection Deep Learning

ChangeMamba: Remote Sensing Change Detection With Spatiotemporal State Space Model

1 code implementation4 Apr 2024 Hongruixuan Chen, Jian Song, Chengxi Han, Junshi Xia, Naoto Yokoya

Convolutional neural networks (CNN) and Transformers have made impressive progress in the field of remote sensing change detection (CD).

2D Semantic Segmentation Attribute +3

DeepCL: Deep Change Feature Learning on Remote Sensing Images in the Metric Space

1 code implementation23 Jul 2023 HaoNan Guo, Bo Du, Chen Wu, Chengxi Han, Liangpei Zhang

To address these issues, we complement the strong temporal modeling ability of metric learning with the prominent fitting ability of segmentation and propose a deep change feature learning (DeepCL) framework for robust and explainable CD.

Change Detection Earth Observation +1

HCGMNET: A Hierarchical Change Guiding Map Network For Change Detection

1 code implementation21 Feb 2023 Chengxi Han, Chen Wu, Bo Du

Very-high-resolution (VHR) remote sensing (RS) image change detection (CD) has been a challenging task for its very rich spatial information and sample imbalance problem.

Change Detection

Transportation Density Reduction Caused by City Lockdowns Across the World during the COVID-19 Epidemic: From the View of High-resolution Remote Sensing Imagery

no code implementations2 Mar 2021 Chen Wu, Sihan Zhu, Jiaqi Yang, Meiqi Hu, Bo Du, Liangpei Zhang, Lefei Zhang, Chengxi Han, Meng Lan

Considering that public transportation was mostly reduced or even forbidden, our results indicate that city lockdown policies are effective at limiting human transmission within cities.

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