Search Results for author: Weiying Xie

Found 25 papers, 12 papers with code

Hyperspectral Anomaly Detection with Self-Supervised Anomaly Prior

no code implementations20 Apr 2024 Yidan Liu, Weiying Xie, Kai Jiang, Jiaqing Zhang, Yunsong Li, Leyuan Fang

The majority of existing hyperspectral anomaly detection (HAD) methods use the low-rank representation (LRR) model to separate the background and anomaly components, where the anomaly component is optimized by handcrafted sparse priors (e. g., $\ell_{2, 1}$-norm).

Diffusion Models Meet Remote Sensing: Principles, Methods, and Perspectives

no code implementations13 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.

Image Generation

Domain Adaptation for Large-Vocabulary Object Detectors

no code implementations13 Jan 2024 Kai Jiang, Jiaxing Huang, Weiying Xie, Yunsong Li, Ling Shao, Shijian Lu

Large-vocabulary object detectors (LVDs) aim to detect objects of many categories, which learn super objectness features and can locate objects accurately while applied to various downstream data.

Domain Adaptation Knowledge Graphs +2

Multimodal Informative ViT: Information Aggregation and Distribution for Hyperspectral and LiDAR Classification

1 code implementation6 Jan 2024 Jiaqing Zhang, Jie Lei, Weiying Xie, Geng Yang, Daixun Li, Yunsong Li

Additionally, the information distribution flow (IDF) in MIVit enhances performance-awareness by distributing global classification information across different modalities' feature maps.

Land Cover Classification

Distribution-aware Interactive Attention Network and Large-scale Cloud Recognition Benchmark on FY-4A Satellite Image

1 code implementation6 Jan 2024 Jiaqing Zhang, Jie Lei, Weiying Xie, Kai Jiang, Mingxiang Cao, Yunsong Li

Accurate cloud recognition and warning are crucial for various applications, including in-flight support, weather forecasting, and climate research.

Domain Adaptation Specificity +1

Exploring Hyperspectral Anomaly Detection with Human Vision: A Small Target Aware Detector

no code implementations2 Jan 2024 Jitao Ma, Weiying Xie, Yunsong Li

Our method provides a new solution space for HAD that is closer to human visual perception with high confidence.

Anomaly Detection Knowledge Distillation

RS-DGC: Exploring Neighborhood Statistics for Dynamic Gradient Compression on Remote Sensing Image Interpretation

no code implementations29 Dec 2023 Weiying Xie, Zixuan Wang, Jitao Ma, Daixun Li, Yunsong Li

The key component of RS-DGC is a Neighborhood Statistical Indicator (NSI), which can quantify the importance of gradients within a specified neighborhood on each node to sparsify the local gradients before gradient transmission in each iteration.

Earth Observation

Physics Inspired Criterion for Pruning-Quantization Joint Learning

1 code implementation1 Dec 2023 Weiying Xie, Xiaoyi Fan, Xin Zhang, Yunsong Li, Jie Lei, Leyuan Fang

Pruning-quantization joint learning always facilitates the deployment of deep neural networks (DNNs) on resource-constrained edge devices.

Image Classification Model Compression +1

Spanning Training Progress: Temporal Dual-Depth Scoring (TDDS) for Enhanced Dataset Pruning

1 code implementation22 Nov 2023 Xin Zhang, Jiawei Du, Yunsong Li, Weiying Xie, Joey Tianyi Zhou

Dataset pruning aims to construct a coreset capable of achieving performance comparable to the original, full dataset.

Classification

FedFusion: Manifold Driven Federated Learning for Multi-satellite and Multi-modality Fusion

1 code implementation16 Nov 2023 Daixun Li, Weiying Xie, Yunsong Li, Leyuan Fang

Multi-satellite, multi-modality in-orbit fusion is a challenging task as it explores the fusion representation of complex high-dimensional data under limited computational resources.

Edge-computing Federated Learning

FedDiff: Diffusion Model Driven Federated Learning for Multi-Modal and Multi-Clients

no code implementations16 Nov 2023 Daixun Li, Weiying Xie, Zixuan Wang, YiBing Lu, Yunsong Li, Leyuan Fang

With the rapid development of imaging sensor technology in the field of remote sensing, multi-modal remote sensing data fusion has emerged as a crucial research direction for land cover classification tasks.

Denoising Federated Learning +2

MDFL: Multi-domain Diffusion-driven Feature Learning

no code implementations16 Nov 2023 Daixun Li, Weiying Xie, Jiaqing Zhang, Yunsong Li

High-dimensional images, known for their rich semantic information, are widely applied in remote sensing and other fields.

BSDM: Background Suppression Diffusion Model for Hyperspectral Anomaly Detection

1 code implementation19 Jul 2023 Jitao Ma, Weiying Xie, Yunsong Li, Leyuan Fang

We present a novel solution BSDM (background suppression diffusion model) for HAD, which can simultaneously learn latent background distributions and generalize to different datasets for suppressing complex background.

Anomaly Detection Denoising +1

Towards Accurate and Reliable Change Detection of Remote Sensing Images via Knowledge Review and Online Uncertainty Estimation

1 code implementation31 May 2023 Zhenglai Li, Chang Tang, Xianju Li, Weiying Xie, Kun Sun, Xinzhong Zhu

Specifically, an online uncertainty estimation branch is constructed to model the pixel-wise uncertainty, which is supervised by the difference between predicted change maps and corresponding ground truth during the training process.

Change Detection Management

Toward Stable, Interpretable, and Lightweight Hyperspectral Super-Resolution

1 code implementation CVPR 2023 Weiying Xie, Kai Jiang, Yunsong Li, Jie Lei, Leyuan Fang, Wen-jin Guo

Specifically, we create a positive cycle between fusion and degradation estimation under a new probabilistic framework.

Super-Resolution

Guided Hybrid Quantization for Object detection in Multimodal Remote Sensing Imagery via One-to-one Self-teaching

1 code implementation31 Dec 2022 Jiaqing Zhang, Jie Lei, Weiying Xie, Yunsong Li, Xiuping Jia

More concretely, we first design a structure called guided quantization self-distillation (GQSD), which is an innovative idea for realizing lightweight through the synergy of quantization and distillation.

object-detection Object Detection +1

SuperYOLO: Super Resolution Assisted Object Detection in Multimodal Remote Sensing Imagery

1 code implementation27 Sep 2022 Jiaqing Zhang, Jie Lei, Weiying Xie, Zhenman Fang, Yunsong Li, Qian Du

Furthermore, we design a simple and flexible SR branch to learn HR feature representations that can discriminate small objects from vast backgrounds with low-resolution (LR) input, thus further improving the detection accuracy.

Real-Time Object Detection Small Object Detection +1

Optical Remote Sensing Image Understanding with Weak Supervision: Concepts, Methods, and Perspectives

no code implementations18 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.

Change Detection Image Classification +4

Transcoded Video Restoration by Temporal Spatial Auxiliary Network

1 code implementation15 Dec 2021 Li Xu, Gang He, Jinjia Zhou, Jie Lei, Weiying Xie, Yunsong Li, Yu-Wing Tai

In most video platforms, such as Youtube, and TikTok, the played videos usually have undergone multiple video encodings such as hardware encoding by recording devices, software encoding by video editing apps, and single/multiple video transcoding by video application servers.

Video Editing Video Restoration

MCM-aware Twin-least-square GAN for Hyperspectral Anomaly Detection

no code implementations1 Jan 2021 Jiaping Zhong, Weiying Xie, Jie Lei, Yunsong Li, Zan Li

Hyperspectral anomaly detection under high-dimensional data and interference of deteriorated bands without any prior information has been challenging and attracted close attention in the exploration of the unknown in real scenarios.

Anomaly Detection Generative Adversarial Network

Sparse Coding-inspired GAN for Weakly Supervised Hyperspectral Anomaly Detection

no code implementations1 Jan 2021 Tao Jiang, Weiying Xie, Jie Lei, Yunsong Li, Zan Li

For solving these problems, this paper proposes a sparse coding-inspired generative adversarial network (GAN) for weakly supervised HAD, named sparseHAD.

Anomaly Detection Generative Adversarial Network +1

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