Search Results for author: Heng-Chao Li

Found 18 papers, 7 papers with code

Toward distortion-aware change detection in realistic scenarios

no code implementations10 Jan 2024 Yitao Zhao, Heng-Chao Li, Nanqing Liu, Rui Wang

The whole framework is composed of Pretext Representation Pre-training, Bitemporal Image Alignment, and Down-stream Decoder Fine-Tuning.

Change Detection

CLIP-guided Source-free Object Detection in Aerial Images

no code implementations10 Jan 2024 Nanqing Liu, Xun Xu, Yongyi Su, Chengxin Liu, Peiliang Gong, Heng-Chao Li

Domain adaptation is crucial in aerial imagery, as the visual representation of these images can significantly vary based on factors such as geographic location, time, and weather conditions.

Domain Adaptation Object +3

Semi-Supervised Object Detection with Uncurated Unlabeled Data for Remote Sensing Images

no code implementations9 Oct 2023 Nanqing Liu, Xun Xu, Yingjie Gao, Heng-Chao Li

Semi-supervised object detection (SSOD) methods tackle this issue by generating pseudo-labels for the unlabeled data, assuming that all classes found in the unlabeled dataset are also represented in the labeled data.

Object object-detection +2

Convolution and Attention Mixer for Synthetic Aperture Radar Image Change Detection

1 code implementation21 Sep 2023 Haopeng Zhang, Zijing Lin, Feng Gao, Junyu Dong, Qian Du, Heng-Chao Li

In this letter, we explore Transformer-like architecture for SAR change detection to incorporate global attention.

Change Detection Inductive Bias

SVDinsTN: A Tensor Network Paradigm for Efficient Structure Search from Regularized Modeling Perspective

no code implementations24 May 2023 Yu-Bang Zheng, Xi-Le Zhao, Junhua Zeng, Chao Li, Qibin Zhao, Heng-Chao Li, Ting-Zhu Huang

To address this issue, we propose a novel TN paradigm, named SVD-inspired TN decomposition (SVDinsTN), which allows us to efficiently solve the TN-SS problem from a regularized modeling perspective, eliminating the repeated structure evaluations.

Nearest Neighbor-Based Contrastive Learning for Hyperspectral and LiDAR Data Classification

1 code implementation9 Jan 2023 Meng Wang, Feng Gao, Junyu Dong, Heng-Chao Li, Qian Du

It is commonly nontrivial to build a robust self-supervised learning model for multisource data classification, due to the fact that the semantic similarities of neighborhood regions are not exploited in existing contrastive learning framework.

Classification Contrastive Learning +2

Hyperspectral Unmixing Based on Nonnegative Matrix Factorization: A Comprehensive Review

no code implementations20 May 2022 Xin-Ru Feng, Heng-Chao Li, Rui Wang, Qian Du, Xiuping Jia, Antonio Plaza

Hyperspectral unmixing has been an important technique that estimates a set of endmembers and their corresponding abundances from a hyperspectral image (HSI).

Hyperspectral Unmixing

Adaptive Cross-Attention-Driven Spatial-Spectral Graph Convolutional Network for Hyperspectral Image Classification

no code implementations12 Apr 2022 Jin-Yu Yang, Heng-Chao Li, Wen-Shuai Hu, Lei Pan, Qian Du

Specifically, Sa-GCN and Se-GCN are proposed to extract the spatial and spectral features by modeling correlations between spatial pixels and between spectral bands, respectively.

Graph Attention Hyperspectral Image Classification

A3CLNN: Spatial, Spectral and Multiscale Attention ConvLSTM Neural Network for Multisource Remote Sensing Data Classification

no code implementations9 Apr 2022 Heng-Chao Li, Wen-Shuai Hu, Wei Li, Jun Li, Qian Du, Antonio Plaza

The problem of effectively exploiting the information multiple data sources has become a relevant but challenging research topic in remote sensing.

Transfer Learning

SAR Image Change Detection Based on Multiscale Capsule Network

1 code implementation22 Jan 2022 Yunhao Gao, Feng Gao, Junyu Dong, Heng-Chao Li

On the one hand, the multiscale capsule module is employed to exploit the spatial relationship of features.

Change Detection

Synthetic Aperture Radar Image Change Detection via Siamese Adaptive Fusion Network

1 code implementation18 Oct 2021 Yunhao Gao, Feng Gao, Junyu Dong, Qian Du, Heng-Chao Li

Moreover, a correlation layer is designed to further explore the correlation between multitemporal images.

Change Detection

SAR Image Change Detection Based on Multiscale Capsule Network

1 code implementation13 Jun 2021 Yunhao Gao, Feng Gao, Junyu Dong, Heng-Chao Li

On the one hand, the capsule module is employed to exploit the spatial relationship of features.

Change Detection

Change Detection in Synthetic Aperture Radar Images Using a Dual-Domain Network

1 code implementation14 Apr 2021 Xiaofan Qu, Feng Gao, Junyu Dong, Qian Du, Heng-Chao Li

In addition, we further propose a multi-region convolution module, which emphasizes the central region of each patch.

Change Detection

Spatial-Spectral Feature Extraction via Deep ConvLSTM Neural Networks for Hyperspectral Image Classification

no code implementations9 May 2019 Wen-Shuai Hu, Heng-Chao Li, Lei Pan, Wei Li, Ran Tao, Qian Du

Particularly, long short-term memory (LSTM), as a special deep learning structure, has shown great ability in modeling long-term dependencies in the time dimension of video or the spectral dimension of HSIs.

General Classification Hyperspectral Image Classification

SAR Target Recognition Using the Multi-aspect-aware Bidirectional LSTM Recurrent Neural Networks

no code implementations25 Jul 2017 Fan Zhang, Chen Hu, Qiang Yin, Wei Li, Heng-Chao Li, Wen Hong

However, there is a limitation in current deep learning based ATR solution that each learning process only handle one SAR image, namely learning the static scattering information, while missing the space-varying information.

Dimensionality Reduction

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